Chemical Properties of Isobutane (CAS 75-28-5)

InChI

InChI=1S/C4H10/c1-4(2)3/h4H,1-3H3

InChI Key

NNPPMTNAJDCUHE-UHFFFAOYSA-N

Formula

C4H10

SMILES

CC(C)C

Molecular Weight¹

58.12

CAS

75-28-5

Other Names

• 1,1-DIMETHYLETHANE
• 2-METHYLPROPANE
• A 31
• A 31 (hydrocarbon)
• Methylpropane
• Propane, 2-methyl-
• R 600a
• R-600a
• TRIMETHYLMETHANE
• UN 1969
• i-Butane
• iso-C4H10
• tert-Butane

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• T_ig : Autoignition Temperature (K).
• AP : Aniline Point (K).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_gas : Standard gas enthalpy of combustion (kJ/mol).
• C_p,gas : Ideal gas heat capacity (J/mol×K).
• C_p,liquid : Liquid phase heat capacity (J/mol×K).
• μ : Dipole Moment (debye).
• η : Dynamic viscosity (Pa×s).
• LFL : Lower Flammability Limit (% in Air).
• UFL : Upper Flammability Limit (% in Air).
• T_flash,oc : Flash Point (Open Cup Method) (K).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• R_g : Radius of Gyration.
• Δ_c,grossH : Heat of Combustion, Gross form (kJ/mol).
• Δ_c,netH : Heat of Combustion, Net Form (kJ/mol).
• Δ_fH°_gas : Enthalpy of formation at standard conditions (kJ/mol).
• Δ_fusH° : Enthalpy of fusion at standard conditions (kJ/mol).
• Δ_fusH : Enthalpy of fusion at a given temperature (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• IE : Ionization energy (eV).
• ν : Kinematic viscosity (m²/s).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• NFPA Fire : NFPA Fire Rating.
• NFPA Health : NFPA Health Rating.
• P_c : Critical Pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_c : Critical density (kg/m³).
• ρ_g : Gas Density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I : Polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_liquid : Liquid phase molar entropy at standard conditions (J/mol×K).
• c_sound,fluid : Speed of sound in fluid (m/s).
• γ : Surface Tension (N/m).
• Δ_vapS : Entropy of vaporization at a given temperature (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Contents

1. Physical Properties
2. Temperature Dependent Properties
3. Datasets
4. Correlations
5. Similar Compounds
6. Mixtures
7. Sources

Physical Properties

Property	Value	Unit	Source
ω	0.1830		KDB
PAff	677.80	kJ/mol	NIST
Tig	749.82	K	KDB
AP	380.750	K	KDB
BasG	671.30	kJ/mol	NIST
ΔcH°gas	[-2869.00; -2867.60]	kJ/mol
ΔcH°gas	-2869.00 ± 0.59	kJ/mol	NIST
ΔcH°gas	-2867.60 ± 0.46	kJ/mol	NIST
μ	0.10	debye	KDB
LFL	1.80	% in Air	KDB
UFL	8.40	% in Air	KDB
Tflash,oc	190.37	K	KDB
ΔfG°	-20.90	kJ/mol	KDB
Rg	2.8960		KDB
Δc,grossH	2848.64	kJ/mol	KDB
Δc,netH	2628.598	kJ/mol	KDB
ΔfH°gas	[-135.60; -134.20]	kJ/mol
ΔfH°gas	-134.60	kJ/mol	KDB
ΔfH°gas	-134.20 ± 0.63	kJ/mol	NIST
ΔfH°gas	-135.60 ± 0.54	kJ/mol	NIST
ΔfusH°	4.49	kJ/mol	Molar Heat Capacity at Constant Volume for Isobutane at Temperatures from (114 to 345) K and at Pressures to 35 MPa
ΔvapH°	19.99	kJ/mol	NIST
IE	[10.50; 11.40]	eV
IE	10.68 ± 0.11	eV	NIST
IE	10.57	eV	NIST
IE	10.74 ± 0.05	eV	NIST
IE	10.69	eV	NIST
IE	10.79	eV	NIST
IE	10.78	eV	NIST
IE	10.57	eV	NIST
IE	10.50	eV	NIST
IE	11.13	eV	NIST
IE	11.00 ± 0.10	eV	NIST
IE	Outlier 11.40	eV	NIST
log10WS	[-2.55; -2.55]
log10WS	-2.55		Aq. Solubility Prediction
log10WS	-2.55		Estimated Solubility
logPoct/wat	1.662		Crippen Calculated Property
McVol	67.220	ml/mol	McGowan Calculated Property
NFPA Fire	4		KDB
NFPA Health	1		KDB
Pc	[3604.00; 3639.00]	kPa
Pc	3604.00	kPa	KDB
Pc	3639.00	kPa	Critical parameters for isobutane determined by the image analysis
Pc	3633.00	kPa	Critical Properties of Three Dimethyl Ether Binary Systems: Dimethyl Ether (RE-170) + Propane (HC-290), Butane (HC-600), and 2-Methyl Propane (HC-600A)
Pc	3620.00	kPa	Critical Temperatures and Pressures of Several Binary and Ternary Mixtures Concerning the Alkylation of 2-Methylpropane with 1-Butene in the Presence of Methane or Carbon Dioxide
Ptriple	[1.95e-05; 1.95e-05]	kPa
Ptriple	1.95e-05 ± 2.00e-08	kPa	NIST
Ptriple	1.95e-05 ± 5.00e-08	kPa	NIST
ρc	[220.98; 227.26]	kg/m3
ρc	223.77 ± 2.91	kg/m3	NIST
ρc	225.51 ± 0.52	kg/m3	NIST
ρc	227.26 ± 5.23	kg/m3	NIST
ρc	224.36 ± 1.74	kg/m3	NIST
ρc	220.98 ± 5.81	kg/m3	NIST
Inp	[350.00; 371.00]
Inp	361.10		NIST
Inp	366.00		NIST
Inp	366.70		NIST
Inp	367.40		NIST
Inp	365.00		NIST
Inp	365.00		NIST
Inp	364.60		NIST
Inp	366.00		NIST
Inp	371.00		NIST
Inp	365.00		NIST
Inp	366.00		NIST
Inp	366.00		NIST
Inp	366.00		NIST
Inp	369.00		NIST
Inp	363.00		NIST
Inp	366.00		NIST
Inp	362.00		NIST
Inp	354.20		NIST
Inp	353.99		NIST
Inp	353.53		NIST
Inp	353.53		NIST
Inp	353.00		NIST
Inp	354.00		NIST
Inp	366.00		NIST
Inp	364.00		NIST
Inp	359.00		NIST
Inp	354.00		NIST
Inp	354.00		NIST
Inp	354.80		NIST
Inp	364.00		NIST
Inp	355.00		NIST
Inp	366.00		NIST
Inp	362.00		NIST
Inp	366.00		NIST
Inp	368.00		NIST
Inp	354.00		NIST
Inp	354.00		NIST
Inp	354.00		NIST
Inp	366.00		NIST
Inp	366.00		NIST
Inp	354.00		NIST
Inp	370.00		NIST
Inp	370.00		NIST
Inp	350.00		NIST
Inp	368.00		NIST
Inp	354.20		NIST
Inp	366.00		NIST
I	[369.00; 372.00]
I	369.00		NIST
I	372.00		NIST
S°liquid	[198.70; 200.79]	J/mol×K
S°liquid	200.79	J/mol×K	NIST
S°liquid	198.70	J/mol×K	NIST
Tboil	[256.15; 262.95]	K
Tboil	261.42	K	KDB
Tboil	261.50	K	NIST
Tboil	261.30	K	NIST
Tboil	261.51	K	NIST
Tboil	261.40 ± 0.50	K	NIST
Tboil	261.42 ± 0.30	K	NIST
Tboil	262.75 ± 1.00	K	NIST
Tboil	261.40 ± 0.50	K	NIST
Tboil	261.50 ± 0.30	K	NIST
Tboil	261.40 ± 1.00	K	NIST
Tboil	261.05 ± 0.50	K	NIST
Tboil	261.15 ± 2.00	K	NIST
Tboil	261.65 ± 0.30	K	NIST
Tboil	261.50 ± 0.30	K	NIST
Tboil	260.33 ± 0.15	K	NIST
Tboil	262.95 ± 1.00	K	NIST
Tboil	260.75 ± 1.00	K	NIST
Tboil	262.25 ± 1.00	K	NIST
Tboil	260.85 ± 1.00	K	NIST
Tboil	261.65 ± 0.50	K	NIST
Tboil	260.15 ± 1.00	K	NIST
Tboil	260.85 ± 1.00	K	NIST
Tboil	262.95 ± 0.50	K	NIST
Tboil	262.95 ± 0.50	K	NIST
Tboil	Outlier 256.15 ± 1.00	K	NIST
Tboil	262.95 ± 0.30	K	NIST
Tc	[407.69; 407.80]	K
Tc	407.80	K	KDB
Tc	407.69	K	Critical Parameters and Critical-Region ( p, .rho., T) Data of trans-1,1,1,3-Tetrafluorobut-2-ene [HFO-1354mzy(E)]
Tfus	[124.20; 134.80]	K
Tfus	134.80	K	KDB
Tfus	124.20	K	Aq. Solubility Prediction
Ttriple	[113.20; 113.74]	K
Ttriple	113.55	K	KDB
Ttriple	113.55 ± 0.05	K	NIST
Ttriple	113.55 ± 0.02	K	NIST
Ttriple	113.74 ± 0.07	K	NIST
Ttriple	113.20 ± 0.20	K	NIST
Vc	[0.259; 0.259]	m3/kmol
Vc	0.259	m3/kmol	KDB
Vc	0.259	m3/kmol	NIST
Vc	0.259 ± 0.001	m3/kmol	NIST
Zc	0.2752960		KDB
Zra	0.28		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[82.30; 185.18]	J/mol×K	[243.15; 692.70]
Cp,gas	82.30 ± 0.06	J/mol×K	243.15	NIST
Cp,gas	89.97 ± 0.06	J/mol×K	273.15	NIST
Cp,gas	95.21 ± 0.10	J/mol×K	293.15	NIST
Cp,gas	100.67 ± 0.10	J/mol×K	313.15	NIST
Cp,gas	106.37 ± 0.11	J/mol×K	333.15	NIST
Cp,gas	109.66	J/mol×K	347.60	NIST
Cp,gas	111.74 ± 0.11	J/mol×K	353.15	NIST
Cp,gas	112.55	J/mol×K	359.40	NIST
Cp,gas	119.62	J/mol×K	387.50	NIST
Cp,gas	137.03	J/mol×K	452.50	NIST
Cp,gas	152.93	J/mol×K	520.90	NIST
Cp,gas	161.29	J/mol×K	561.70	NIST
Cp,gas	169.70	J/mol×K	605.30	NIST
Cp,gas	185.18	J/mol×K	692.70	NIST
Cp,liquid	[128.40; 129.70]	J/mol×K	[258.30; 260.00]
Cp,liquid	128.40	J/mol×K	258.30	NIST
Cp,liquid	129.70	J/mol×K	260.00	NIST
η	[0.0001816; 0.0063422]	Pa×s	[119.84; 290.48]
η	0.0063422	Pa×s	119.84	Joback Calculated Property
η	0.0019879	Pa×s	148.28	Joback Calculated Property
η	0.0009051	Pa×s	176.72	Joback Calculated Property
η	0.0005126	Pa×s	205.16	Joback Calculated Property
η	0.0003334	Pa×s	233.60	Joback Calculated Property
η	0.0002380	Pa×s	262.04	Joback Calculated Property
η	0.0001816	Pa×s	290.48	Joback Calculated Property
ΔfusH	[4.49; 4.56]	kJ/mol	[113.20; 113.74]
ΔfusH	4.50	kJ/mol	113.20	NIST
ΔfusH	4.49	kJ/mol	113.70	NIST
ΔfusH	4.56	kJ/mol	113.70	NIST
ΔfusH	4.54	kJ/mol	113.70	NIST
ΔfusH	4.54	kJ/mol	113.74	NIST
ΔvapH	[21.00; 26.90]	kJ/mol	[154.00; 384.50]
ΔvapH	26.90	kJ/mol	154.00	NIST
ΔvapH	22.60	kJ/mol	225.00	NIST
ΔvapH	22.40	kJ/mol	233.00	NIST
ΔvapH	21.30	kJ/mol	261.30	NIST
ΔvapH	21.30	kJ/mol	261.44	NIST
ΔvapH	21.00 ± 3.00	kJ/mol	261.44	NIST
ΔvapH	21.30	kJ/mol	261.50	KDB
ΔvapH	21.90	kJ/mol	284.50	NIST
ΔvapH	21.30	kJ/mol	286.00	NIST
ΔvapH	21.60	kJ/mol	310.50	NIST
ΔvapH	21.50	kJ/mol	318.00	NIST
ΔvapH	21.40	kJ/mol	333.50	NIST
ΔvapH	21.60	kJ/mol	384.50	NIST
ν	[0.0000002; 0.0000003]	m2/s	[285.13; 345.15]
ν	0.0000003	m2/s	285.13	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000003	m2/s	290.11	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000003	m2/s	295.11	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000003	m2/s	300.41	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000003	m2/s	303.37	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000003	m2/s	309.08	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	313.12	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	315.07	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	318.20	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	320.12	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	323.83	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	326.11	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	330.11	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	333.14	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	335.12	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	340.12	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	340.15	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
ν	0.0000002	m2/s	345.15	Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
Pvap	[1.30e-03; 3584.30]	kPa	[120.00; 407.00]
Pvap	1.30e-03	kPa	120.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	2.30e-03	kPa	130.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	6.00e-03	kPa	140.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	0.02	kPa	150.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	0.09	kPa	160.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	0.28	kPa	170.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	0.74	kPa	180.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	1.76	kPa	190.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	3.81	kPa	200.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	7.58	kPa	210.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	14.02	kPa	220.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	24.39	kPa	230.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	40.10	kPa	240.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	40.22	kPa	240.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	46.70	kPa	243.15	Vapor Liquid Phase Equilibrium for Azeotropic Isobutane + trans-1,3,3,3-Tetrafluoropropene + Trifluoroiodomethane System at Temperatures from 243.150 to 283.150 K
Pvap	46.20	kPa	243.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	63.35	kPa	250.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	72.00	kPa	253.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	72.60	kPa	253.15	Vapor Liquid Phase Equilibrium for Azeotropic Isobutane + trans-1,3,3,3-Tetrafluoropropene + Trifluoroiodomethane System at Temperatures from 243.150 to 283.150 K
Pvap	88.90	kPa	258.15	Vapor Liquid Equilibria of the trans-1,3,3,3-Tetrafluoropropene (R1234ze(E)) + Isobutane (R600a) System at Various Temperatures from (258.150 to 288.150) K
Pvap	91.82	kPa	258.92	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	94.60	kPa	260.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	95.88	kPa	260.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	108.30	kPa	263.15	Measurements of (vapour + liquid) equilibrium data for {trifluoroiodomethane (R13I1) + isobutane (R600a)} at temperatures between (263.150 and 293.150) K
Pvap	108.70	kPa	263.15	Vapor Liquid Phase Equilibrium for Azeotropic Isobutane + trans-1,3,3,3-Tetrafluoropropene + Trifluoroiodomethane System at Temperatures from 243.150 to 283.150 K
Pvap	107.90	kPa	263.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	112.99	kPa	264.24	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	119.32	kPa	265.67	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	126.35	kPa	267.20	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	130.80	kPa	268.15	Vapor Liquid Equilibria of the trans-1,3,3,3-Tetrafluoropropene (R1234ze(E)) + Isobutane (R600a) System at Various Temperatures from (258.150 to 288.150) K
Pvap	142.73	kPa	270.50	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	150.90	kPa	272.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	156.00	kPa	273.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	156.90	kPa	273.15	Measurements of (vapour + liquid) equilibrium data for {trifluoroiodomethane (R13I1) + isobutane (R600a)} at temperatures between (263.150 and 293.150) K
Pvap	156.85	kPa	273.15	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	157.40	kPa	273.15	Vapor Liquid Phase Equilibrium for Azeotropic Isobutane + trans-1,3,3,3-Tetrafluoropropene + Trifluoroiodomethane System at Temperatures from 243.150 to 283.150 K
Pvap	157.20	kPa	273.15	Measurement of Vapor-Liquid Equilibria for the Binary Mixture of Propane (R-290) + Isobutane (R-600a)
Pvap	169.22	kPa	275.31	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	186.70	kPa	278.15	Vapor Liquid Equilibria of the trans-1,3,3,3-Tetrafluoropropene (R1234ze(E)) + Isobutane (R600a) System at Various Temperatures from (258.150 to 288.150) K
Pvap	191.71	kPa	278.94	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	198.68	kPa	280.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	197.80	kPa	280.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	198.76	kPa	280.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	199.80	kPa	280.00	Measurements of (p,q,T) properties for isobutane in the temperature range from 280 K to 440 K at pressures up to 200 MPa
Pvap	207.12	kPa	281.24	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	218.08	kPa	282.81	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	220.10	kPa	283.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	220.90	kPa	283.15	Vapor-liquid equilibria measurements of 1,1,1,2-tetrafluoroethane (HFC-134a) + 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a) ternary system
Pvap	220.60	kPa	283.15	Measurements of (vapour + liquid) equilibrium data for {trifluoroiodomethane (R13I1) + isobutane (R600a)} at temperatures between (263.150 and 293.150) K
Pvap	222.20	kPa	283.15	Vapor-liquid equilibria for binary system of 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a)
Pvap	221.00	kPa	283.15	Vapor Liquid Phase Equilibrium for Azeotropic Isobutane + trans-1,3,3,3-Tetrafluoropropene + Trifluoroiodomethane System at Temperatures from 243.150 to 283.150 K
Pvap	221.80	kPa	283.15	Measurement of Vapor-Liquid Equilibria for the Binary Mixture of Propane (R-290) + Isobutane (R-600a)
Pvap	226.90	kPa	284.02	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	240.51	kPa	285.82	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	251.70	kPa	287.25	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	258.70	kPa	288.15	Vapor Liquid Equilibria of the trans-1,3,3,3-Tetrafluoropropene (R1234ze(E)) + Isobutane (R600a) System at Various Temperatures from (258.150 to 288.150) K
Pvap	263.24	kPa	288.67	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	274.38	kPa	290.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	274.41	kPa	290.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	291.50	kPa	291.96	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	291.68	kPa	291.99	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	302.30	kPa	293.15	Measurements of (vapour + liquid) equilibrium data for {trifluoroiodomethane (R13I1) + isobutane (R600a)} at temperatures between (263.150 and 293.150) K
Pvap	302.20	kPa	293.15	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	302.70	kPa	293.15	Vapor-liquid equilibria measurements of 1,1,1,2-tetrafluoroethane (HFC-134a) + 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a) ternary system
Pvap	301.80	kPa	293.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	303.30	kPa	293.15	Vapor-liquid equilibria for binary system of 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a)
Pvap	303.40	kPa	293.15	Measurement of Vapor-Liquid Equilibria for the Binary Mixture of Propane (R-290) + Isobutane (R-600a)
Pvap	305.47	kPa	293.50	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	306.70	kPa	293.58	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	306.70	kPa	293.58	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	317.56	kPa	294.79	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	325.60	kPa	295.58	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	330.00	kPa	296.15	Solubility, density and viscosity of mixtures of isobutane (R-600a) and a linear alkylbenzene lubricant oil
Pvap	332.18	kPa	296.30	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	345.20	kPa	297.58	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	352.39	kPa	298.15	Vapor-Liquid Equilibria on Seven Binary Systems: Ethylene Oxide + 2-Methylpropane; Acetophenone + Phenol; cis-1,3-Dichloropropene + 1,2-Dichloropropane; 1,5-Hexadiene + Allyl Chloride; Isopropyl Acetate + Acetonitrile; Vinyl Chloride + Methyl Chloride; and 1,4-Butanediol + c-Butyrolactone
Pvap	365.90	kPa	299.59	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	369.83	kPa	299.97	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	368.60	kPa	300.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	370.01	kPa	300.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	369.80	kPa	300.00	Measurements of (p,q,T) properties for isobutane in the temperature range from 280 K to 440 K at pressures up to 200 MPa
Pvap	381.52	kPa	301.05	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	387.60	kPa	301.61	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	400.60	kPa	302.76	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	406.00	kPa	303.15	Vapor-liquid equilibria for binary system of 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a)
Pvap	404.40	kPa	303.15	Vapor-liquid equilibria measurements of 1,1,1,2-tetrafluoroethane (HFC-134a) + 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a) ternary system
Pvap	404.50	kPa	303.15	Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
Pvap	405.20	kPa	303.15	Measurement of Vapor-Liquid Equilibria for the Binary Mixture of Propane (R-290) + Isobutane (R-600a)
Pvap	404.70	kPa	303.15	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	404.30	kPa	303.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	410.20	kPa	303.62	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	420.14	kPa	304.46	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	433.90	kPa	305.63	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	438.06	kPa	305.97	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	438.12	kPa	305.97	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	455.55	kPa	307.39	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	458.60	kPa	307.64	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	460.80	kPa	307.79	Phase equilibrium measurements for systems containing propanenitrile with tert-butyl ethyl ether and C4-hydrocarbons
Pvap	459.80	kPa	307.86	Isothermal binary vapour liquid equilibrium for butanes and butenes with dimethylsulphide
Pvap	459.90	kPa	307.94	Vapour liquid equilibrium for the systems diethyl sulphide + 1-butene, +cis-2-butene, +2-methylpropane, +2-methylpropene, +n-butane, +trans-2-butene
Pvap	467.40	kPa	308.14	Vapor-Liquid Equilibrium for Thiophene + Butane, + trans-But-2-ene, + 2-Methylpropane, and + 2-Methylpropene
Pvap	473.64	kPa	308.82	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	484.20	kPa	309.65	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	488.84	kPa	310.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	488.84	kPa	310.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	488.60	kPa	310.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	488.20	kPa	310.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	488.40	kPa	310.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	488.62	kPa	310.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	500.90	kPa	310.92	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	510.90	kPa	311.66	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	516.99	kPa	312.11	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	529.65	kPa	313.06	Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
Pvap	530.05	kPa	313.08	Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
Pvap	529.95	kPa	313.08	Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
Pvap	529.95	kPa	313.10	Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
Pvap	530.75	kPa	313.12	Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
Pvap	530.90	kPa	313.14	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	531.30	kPa	313.15	Vapor-liquid equilibria measurements of 1,1,1,2-tetrafluoroethane (HFC-134a) + 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a) ternary system
Pvap	530.80	kPa	313.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	531.60	kPa	313.15	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	530.90	kPa	313.15	Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
Pvap	530.30	kPa	313.15	Vapor-liquid equilibria for binary system of 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a)
Pvap	529.00	kPa	313.15	Solubility, density and viscosity of mixtures of isobutane (R-600a) and a linear alkylbenzene lubricant oil
Pvap	536.00	kPa	313.20	High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system
Pvap	538.70	kPa	313.69	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	550.49	kPa	314.51	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	550.72	kPa	314.52	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	567.90	kPa	315.70	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	581.22	kPa	316.61	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	598.10	kPa	317.73	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	607.80	kPa	318.33	Vapor-Liquid Equilibrium for 1-Butanol + 1-Butene at (318.4 and 364.5) K and Vapor-Liquid Equilibrium of 1-Butanol + 2-Methylpropane, + n-Butane and 1-Butene + 2-Methylpropane at 318.4 K
Pvap	608.10	kPa	318.34	Vapor-Liquid Equilibrium for 1-Butanol + 1-Butene at (318.4 and 364.5) K and Vapor-Liquid Equilibrium of 1-Butanol + 2-Methylpropane, + n-Butane and 1-Butene + 2-Methylpropane at 318.4 K
Pvap	608.30	kPa	318.34	Vapor-Liquid Equilibrium for Tetrahydrothiophene + n-Butane, + trans-2-Butene, + 2-Methylpropane, and + 2-Methylpropene
Pvap	607.54	kPa	318.39	Vapour liquid equilibrium for the ethyl ethanoate + 1-butene, +cis-2-butene, +trans-2-butene, +2-methylpropene, +n-butane and +2-methylpropane
Pvap	610.84	kPa	318.59	Vapor-Liquid Equilibrium for 1-Propanol + 1-Butene, + cis-2-Butene, + 2-Methyl-propene, + trans-2-Butene, + n-Butane, and + 2-Methyl-propane
Pvap	629.00	kPa	319.72	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	633.44	kPa	320.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	633.38	kPa	320.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	632.50	kPa	320.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	633.20	kPa	320.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	661.70	kPa	321.75	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	665.79	kPa	322.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	685.60	kPa	323.15	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	684.40	kPa	323.15	Vapor-liquid equilibria for binary system of 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a)
Pvap	684.20	kPa	323.15	Vapor-liquid equilibria measurements of 1,1,1,2-tetrafluoroethane (HFC-134a) + 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a) ternary system
Pvap	684.30	kPa	323.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	684.60	kPa	323.15	Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
Pvap	696.10	kPa	323.82	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	701.60	kPa	324.13	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	716.50	kPa	325.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	730.90	kPa	325.77	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	734.19	kPa	326.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	734.22	kPa	326.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	744.59	kPa	326.58	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	765.30	kPa	327.73	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	770.36	kPa	328.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	781.99	kPa	328.63	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	802.70	kPa	329.74	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	807.64	kPa	330.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	807.50	kPa	330.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	807.67	kPa	330.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	840.80	kPa	331.72	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	846.32	kPa	332.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	849.38	kPa	332.15	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	868.00	kPa	332.65	Solubility, density and viscosity of mixtures of isobutane (R-600a) and a linear alkylbenzene lubricant oil
Pvap	869.00	kPa	333.15	Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
Pvap	868.30	kPa	333.15	Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
Pvap	880.00	kPa	333.20	High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system
Pvap	880.50	kPa	333.71	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	886.42	kPa	334.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	900.88	kPa	334.71	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	906.60	kPa	335.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	922.50	kPa	335.74	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	926.60	kPa	335.83	Vapor-Liquid Equilibrium for Thiophene + Butane, + trans-But-2-ene, + 2-Methylpropane, and + 2-Methylpropene
Pvap	966.20	kPa	337.79	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	989.76	kPa	338.87	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1011.50	kPa	339.85	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1014.84	kPa	340.00	Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
Pvap	1014.60	kPa	340.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1013.70	kPa	340.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	1054.50	kPa	341.75	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1060.54	kPa	342.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1073.84	kPa	342.57	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1087.40	kPa	343.15	Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
Pvap	1102.50	kPa	343.78	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1105.10	kPa	343.88	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1107.76	kPa	344.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1114.00	kPa	344.24	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1128.12	kPa	344.84	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1153.10	kPa	345.86	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1179.90	kPa	346.91	Isothermal Binary Vapor-Liquid Equilibrium for 2-Methylpropane and n-Butane with 1,2-Ethanedithiol and 2-Methyl-2-propanethiol
Pvap	1177.50	kPa	346.96	Vapor-Liquid Equilibrium for Tetrahydrothiophene + n-Butane, + trans-2-Butene, + 2-Methylpropane, and + 2-Methylpropene
Pvap	1178.60	kPa	346.97	Isothermal Binary Vapor-Liquid Equilibrium for 2-Methylpropane and n-Butane with 1,2-Ethanedithiol and 2-Methyl-2-propanethiol
Pvap	1193.58	kPa	347.48	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1204.40	kPa	347.86	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1212.70	kPa	348.15	Vapor-Liquid Equilibria on Seven Binary Systems: Ethylene Oxide + 2-Methylpropane; Acetophenone + Phenol; cis-1,3-Dichloropropene + 1,2-Dichloropropane; 1,5-Hexadiene + Allyl Chloride; Isopropyl Acetate + Acetonitrile; Vinyl Chloride + Methyl Chloride; and 1,4-Butanediol + c-Butyrolactone
Pvap	1256.30	kPa	349.90	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1258.50	kPa	350.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1258.83	kPa	350.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1269.50	kPa	350.54	Vapor-Liquid Equilibrium for Dimethyl Disulfide + Butane, + trans-But-2-ene, + 2-Methylpropane, + 2-Methylpropene, + Ethanol, and 2-Ethoxy-2-methylpropane
Pvap	1309.80	kPa	351.91	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1321.00	kPa	353.15	Solubility, density and viscosity of mixtures of isobutane (R-600a) and a linear alkylbenzene lubricant oil
Pvap	1343.40	kPa	353.15	Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
Pvap	1363.00	kPa	353.20	High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system
Pvap	1365.10	kPa	353.91	A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
Pvap	1392.47	kPa	354.89	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1395.40	kPa	355.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1457.16	kPa	357.13	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1543.11	kPa	360.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1542.80	kPa	360.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1541.60	kPa	360.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	1618.29	kPa	362.41	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1641.60	kPa	363.13	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1685.60	kPa	364.50	Vapor Liquid Equilibrium for the Systems 2-Methylpropane + Methanol, + 2-Propanol, + 2-Butanol, and + 2-Methyl-2-propanol at 364.5 K
Pvap	1685.60	kPa	364.50	Vapor Liquid Equilibrium for Six Binary Systems of C4-Hydrocarbons + 2-Propanone
Pvap	1686.30	kPa	364.51	Vapor Liquid Equilibrium for the Systems 2-Methylpropane + Methanol, + 2-Propanol, + 2-Butanol, and + 2-Methyl-2-propanol at 364.5 K
Pvap	1686.40	kPa	364.51	Vapor Liquid Equilibrium for the Systems 2-Methylpropane + Methanol, + 2-Propanol, + 2-Butanol, and + 2-Methyl-2-propanol at 364.5 K
Pvap	1686.30	kPa	364.52	Vapor Liquid Equilibrium for the Systems 2-Methylpropane + Methanol, + 2-Propanol, + 2-Butanol, and + 2-Methyl-2-propanol at 364.5 K
Pvap	1690.65	kPa	364.65	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1773.08	kPa	367.12	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1846.50	kPa	369.24	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	1872.59	kPa	370.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	1872.50	kPa	370.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2014.00	kPa	373.20	High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system
Pvap	1990.51	kPa	373.25	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2056.00	kPa	375.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2087.20	kPa	375.82	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2170.21	kPa	377.95	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2252.24	kPa	380.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2252.30	kPa	380.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2252.30	kPa	380.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2250.40	kPa	380.00	Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
Pvap	2363.44	kPa	382.69	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2462.50	kPa	385.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2468.26	kPa	385.14	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2593.62	kPa	387.96	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2687.23	kPa	390.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2687.80	kPa	390.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2688.25	kPa	390.02	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2812.85	kPa	392.64	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2815.45	kPa	392.70	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2891.40	kPa	394.23	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	2897.05	kPa	394.37	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	2917.12	kPa	394.77	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3054.96	kPa	397.49	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3088.70	kPa	398.12	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	3166.88	kPa	399.62	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3187.16	kPa	400.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3187.90	kPa	400.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	3191.89	kPa	400.09	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3197.39	kPa	400.19	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3320.93	kPa	402.45	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3321.83	kPa	402.46	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3377.00	kPa	403.20	High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system
Pvap	3404.51	kPa	403.93	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3449.23	kPa	404.71	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3465.73	kPa	405.00	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3466.20	kPa	405.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	3523.63	kPa	405.99	Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
Pvap	3524.70	kPa	406.00	Vapour pressures of isobutane at T = (310 to 407) K
Pvap	3584.30	kPa	407.00	Vapour pressures of isobutane at T = (310 to 407) K
ρg	[90.60; 225.40]	kg/m3	[391.40; 407.79]
ρg	90.60	kg/m3	391.40	Critical Parameters for 2-Methylpropane (R600a)
ρg	98.20	kg/m3	393.73	Critical Parameters for 2-Methylpropane (R600a)
ρg	101.10	kg/m3	394.98	Critical Parameters for 2-Methylpropane (R600a)
ρg	114.20	kg/m3	398.81	Critical Parameters for 2-Methylpropane (R600a)
ρg	142.00	kg/m3	404.54	Critical Parameters for 2-Methylpropane (R600a)
ρg	160.40	kg/m3	406.17	Critical Parameters for 2-Methylpropane (R600a)
ρg	173.90	kg/m3	407.03	Critical Parameters for 2-Methylpropane (R600a)
ρg	179.10	kg/m3	407.21	Critical Parameters for 2-Methylpropane (R600a)
ρg	192.90	kg/m3	407.65	Critical Parameters for 2-Methylpropane (R600a)
ρg	202.30	kg/m3	407.76	Critical Parameters for 2-Methylpropane (R600a)
ρg	219.30	kg/m3	407.79	Critical Parameters for 2-Methylpropane (R600a)
ρg	225.40	kg/m3	407.79	Critical Parameters for 2-Methylpropane (R600a)
ρl	557.00	kg/m3	293.00	KDB
ΔfusS	[39.73; 39.92]	J/mol×K	[113.20; 113.74]
ΔfusS	39.73	J/mol×K	113.20	NIST
ΔfusS	39.92	J/mol×K	113.74	NIST
γ	[0.00; 0.01]	N/m	[255.02; 350.12]
γ	0.01	N/m	255.02	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	255.02	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	256.94	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	256.94	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	258.83	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	258.83	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	261.09	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	261.09	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	262.95	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	262.95	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	264.86	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	264.86	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	267.09	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	267.09	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	268.86	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	268.86	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	270.90	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	270.90	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	273.38	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	273.38	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	275.39	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	275.39	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	275.60	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	277.16	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	277.16	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	279.34	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	279.34	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	280.34	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	281.30	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	281.30	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	283.22	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	283.29	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	283.29	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	283.90	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	285.43	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	285.43	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	285.45	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	287.50	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	287.50	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	288.02	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	289.31	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	289.31	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	290.14	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	291.65	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	291.65	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	292.85	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	293.20	KDB
γ	0.01	N/m	293.53	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	293.66	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	293.66	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	295.75	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	295.75	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	296.42	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	297.83	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	297.83	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	297.91	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	299.37	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	299.48	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	299.48	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	301.43	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	301.43	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	302.08	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	303.10	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	303.91	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	303.91	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	305.41	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	305.75	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	305.75	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	307.41	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	307.41	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	307.43	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	308.10	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	309.49	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	309.49	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	310.75	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	311.81	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	311.81	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	313.07	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	313.15	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	313.17	Surface tension of pentafluoroethane + 1,1-difluoroethane from (243 to 328)K
γ	0.01	N/m	313.49	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	313.49	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	315.62	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	315.82	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	315.82	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	317.75	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	317.75	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	318.13	Surface tension of pentafluoroethane + 1,1-difluoroethane from (243 to 328)K
γ	0.01	N/m	318.21	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	318.22	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	319.32	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	319.32	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	320.46	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	321.96	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	321.96	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	323.16	Surface tension of pentafluoroethane + 1,1-difluoroethane from (243 to 328)K
γ	0.01	N/m	323.19	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	323.41	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	323.71	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	323.71	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	325.37	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	325.37	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	325.44	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	327.80	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	327.80	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	327.83	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	328.12	Surface tension of pentafluoroethane + 1,1-difluoroethane from (243 to 328)K
γ	0.01	N/m	328.13	Surface tension of pentafluoroethane + 1,1-difluoroethane from (243 to 328)K
γ	0.01	N/m	328.16	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	329.49	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	329.49	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	329.85	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	330.18	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	331.68	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	331.68	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	332.56	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	333.17	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	333.28	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	333.28	Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
γ	0.01	N/m	335.58	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	338.10	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	338.17	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.01	N/m	340.42	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	342.74	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.01	N/m	343.16	Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
γ	0.00	N/m	345.39	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.00	N/m	347.26	Measurements of Surface Tension of R1234yf and R1234ze(E)
γ	0.00	N/m	350.12	Measurements of Surface Tension of R1234yf and R1234ze(E)
ΔvapS	81.46	J/mol×K	261.44	NIST

Datasets

1. Molar heat capacity at constant volume, J/K/mol (1)
2. Molar heat capacity at constant pressure, J/K/mol (1)
3. Viscosity, Pa*s (1)
4. Mass density, kg/m3 (3)
5. Speed of sound, m/s (1)

Molar heat capacity at constant volume, J/K/mol

Fixed		Measured
Temperature, K - Fluid (supercritical or subcritical phases)	Pressure, kPa - Fluid (supercritical or subcritical phases)	Molar heat capacity at constant volume, J/K/mol - Fluid (supercritical or subcritical phases)
415.15	4254.00	222.0849
415.15	4254.00	230.8033
420.15	4664.00	202.6721
420.15	4665.00	202.9627
425.15	5082.00	186.0492
425.15	5083.00	187.0954
Reference

Molar heat capacity at constant pressure, J/K/mol

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Molar heat capacity at constant pressure, J/K/mol - Liquid
303.53	1050.00	142.52
303.55	1540.00	141.88
303.56	2000.00	141.53
303.57	2500.00	140.83
303.56	3020.00	140.13
303.70	3480.00	139.78
303.62	4030.00	139.55
303.62	4500.00	139.32
303.64	5000.00	139.03
303.65	5520.00	138.80
303.63	6010.00	138.45
303.62	6500.00	138.10
303.63	7030.00	137.69
303.63	7530.00	137.34
303.62	7990.00	136.88
303.63	8510.00	136.70
303.64	9000.00	136.47
303.63	9510.00	136.24
303.59	9990.00	135.77
303.86	10530.00	135.37
303.86	11040.00	134.96
303.82	11510.00	134.38
303.82	12000.00	134.20
313.48	1040.00	142.81
313.51	1540.00	142.46
313.51	2020.00	141.93
313.51	2540.00	141.53
313.49	3020.00	141.12
313.58	3550.00	140.95
313.51	4010.00	140.60
313.52	4500.00	140.07
313.54	5080.00	139.26
313.50	5530.00	139.09
313.50	6030.00	138.56
313.48	6480.00	138.39
313.50	7030.00	138.27
313.49	7500.00	138.10
313.50	8040.00	137.81
313.50	8480.00	137.69
313.51	9020.00	137.52
313.52	9480.00	137.34
313.52	10060.00	137.28
313.55	10530.00	136.59
313.58	11070.00	136.47
313.57	11480.00	136.30
313.57	12050.00	136.12
323.11	1040.00	146.53
323.16	1510.00	146.24
323.22	2020.00	145.77
323.24	2540.00	145.01
323.25	3020.00	144.49
323.23	3510.00	144.03
323.25	4020.00	143.62
323.28	4550.00	143.33
323.30	4970.00	143.04
323.32	5500.00	142.69
323.32	5980.00	142.17
323.33	6470.00	141.70
323.33	7020.00	141.30
323.35	7470.00	141.24
323.37	7990.00	141.00
323.38	8510.00	140.77
323.39	9000.00	140.42
323.37	9480.00	140.07
323.38	9990.00	139.67
323.27	10500.00	139.49
323.28	10980.00	139.44
323.31	11540.00	139.38
323.34	11990.00	139.20
333.64	1050.00	151.06
333.69	1530.00	150.48
333.72	2020.00	149.84
333.72	2520.00	149.20
333.73	3050.00	148.79
333.71	3530.00	147.63
333.67	4020.00	147.05
333.67	4480.00	146.76
333.69	5010.00	146.41
333.70	5530.00	146.12
333.66	5960.00	145.65
333.70	6520.00	145.54
333.69	7030.00	145.31
333.73	7550.00	145.13
333.74	8040.00	145.13
333.71	8510.00	144.43
333.72	8970.00	144.38
333.67	9460.00	143.50
333.68	10010.00	143.62
333.65	10550.00	143.33
333.65	10920.00	143.21
333.66	11520.00	143.15
333.67	11930.00	143.15
343.71	1520.00	159.49
343.76	2030.00	157.92
343.81	2530.00	157.34
343.81	3030.00	155.65
343.79	3510.00	155.13
343.83	4010.00	154.02
343.85	4530.00	153.62
343.84	5010.00	153.09
343.86	5490.00	151.93
343.85	6000.00	151.06
343.86	6530.00	150.36
343.88	7020.00	150.07
343.85	7500.00	149.49
343.85	8000.00	148.27
343.85	8500.00	147.98
343.87	9000.00	147.51
343.88	9490.00	147.40
343.86	10020.00	146.82
343.87	10510.00	146.47
343.85	10990.00	145.77
343.86	11480.00	145.48
343.85	12010.00	145.07
353.90	1540.00	168.38
353.88	2000.00	166.17
353.82	2510.00	163.90
353.85	3020.00	162.57
353.88	3510.00	160.94
353.90	4000.00	160.01
353.86	4510.00	158.62
353.87	4990.00	158.09
353.89	5510.00	157.05
353.87	6010.00	156.06
353.89	6510.00	155.42
353.87	7000.00	153.97
353.88	7510.00	153.15
353.90	7990.00	152.75
353.87	8520.00	152.22
353.85	9000.00	152.16
353.85	9500.00	151.70
353.87	10000.00	151.35
353.87	10510.00	151.00
353.87	10990.00	150.71
353.87	11500.00	150.42
353.88	12010.00	149.90
363.86	2090.00	174.19
363.91	2520.00	171.93
363.93	3000.00	170.01
363.97	3510.00	167.22
363.96	4040.00	165.71
363.98	4500.00	164.66
363.92	5030.00	162.80
363.94	5510.00	161.75
363.96	6000.00	160.88
363.92	6510.00	159.43
363.93	7000.00	158.50
363.96	7510.00	157.92
363.92	8020.00	156.81
363.94	8500.00	156.12
363.97	8990.00	155.13
363.98	9510.00	154.20
363.96	9970.00	153.91
363.96	10510.00	153.09
363.97	11000.00	152.75
364.00	11540.00	152.34
363.95	11990.00	152.05
373.85	2530.00	186.46
373.92	3010.00	182.39
373.97	3530.00	179.02
373.93	4020.00	175.30
373.92	4500.00	172.97
373.95	5020.00	171.34
373.90	5520.00	169.02
373.90	6000.00	167.45
373.94	6520.00	166.64
373.85	7050.00	164.54
373.87	7520.00	163.73
373.89	7980.00	162.86
373.92	8520.00	162.10
373.91	9020.00	161.23
373.89	9480.00	160.48
373.90	10000.00	159.78
373.98	10490.00	158.44
373.95	11010.00	158.15
373.95	11470.00	157.45
373.95	11990.00	157.10
383.20	2550.00	209.82
383.35	3010.00	201.04
383.42	3490.00	193.84
383.30	3960.00	188.32
383.34	4500.00	183.72
383.32	4990.00	179.89
383.44	5490.00	177.21
383.21	6010.00	173.96
383.26	6520.00	171.81
383.92	6990.00	170.65
383.96	7520.00	169.54
383.94	7980.00	168.55
383.97	8470.00	166.75
383.95	9030.00	164.95
383.94	9460.00	164.25
383.92	9990.00	163.61
383.93	10490.00	161.70
383.94	11010.00	160.71
383.94	11570.00	159.37
383.93	12090.00	159.14
393.96	3090.00	248.47
393.95	3560.00	222.96
394.04	4060.00	208.37
393.93	4520.00	197.56
393.99	4980.00	192.79
394.06	5490.00	187.33
394.02	6000.00	183.49
394.05	6500.00	180.59
393.99	7000.00	177.62
394.01	7500.00	176.28
394.00	8010.00	174.60
394.03	8510.00	173.38
393.99	9000.00	170.47
394.00	9500.00	169.60
394.05	9990.00	168.03
394.09	10520.00	167.28
394.03	11010.00	166.75
394.05	11510.00	165.53
394.02	12020.00	165.30
403.41	4080.00	248.65
403.41	4510.00	227.20
403.43	5070.00	209.76
403.44	5520.00	201.92
403.52	6010.00	195.93
403.51	6500.00	192.50
403.53	6990.00	189.01
403.58	7550.00	184.77
403.51	8000.00	180.88
403.50	8500.00	177.97
403.53	8990.00	175.94
403.55	9510.00	174.54
403.49	9990.00	173.15
403.54	10490.00	172.91
403.53	10960.00	172.80
403.55	11490.00	172.16
403.53	12000.00	170.65
Reference

Viscosity, Pa*s

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Viscosity, Pa*s - Liquid
273.15	2000.00	0.0002
273.15	10000.00	0.0002
273.15	20000.00	0.0002
273.15	30000.00	0.0003
293.15	2000.00	0.0002
293.15	10000.00	0.0002
293.15	20000.00	0.0002
293.15	30000.00	0.0002
313.15	2000.00	0.0001
313.15	10000.00	0.0001
313.15	20000.00	0.0002
313.15	30000.00	0.0002
333.15	2000.00	0.0001
333.15	10000.00	0.0001
333.15	20000.00	0.0001
333.15	30000.00	0.0002
Reference

Mass density, kg/m3

Fixed		Measured
Temperature, K - Fluid (supercritical or subcritical phases)	Pressure, kPa - Fluid (supercritical or subcritical phases)	Mass density, kg/m3 - Fluid (supercritical or subcritical phases)
360.00	200000.00	663.47
360.00	180000.00	655.03
360.00	160000.00	645.68
360.00	140000.00	635.51
360.00	120000.00	624.36
360.00	100000.00	611.74
360.00	90000.00	604.5
360.00	80000.00	597.04
360.00	70000.00	588.53
360.00	60000.00	579.25
360.00	50000.00	568.86
400.00	200000.00	646.22
400.00	180000.00	637.21
400.00	160000.00	627.09
400.00	140000.00	615.95
400.00	120000.00	603.57
400.00	100000.00	589.43
400.00	90000.00	581.56
400.00	80000.00	572.73
400.00	70000.00	563.06
400.00	60000.00	552.31
400.00	50000.00	539.91
440.00	200000.00	631.03
440.00	180000.00	621.17
440.00	160000.00	610.19
440.00	140000.00	598.12
440.00	120000.00	584.57
440.00	100000.00	568.96
440.00	90000.00	559.97
440.00	80000.00	550.28
440.00	70000.00	539.33
440.00	60000.00	526.93
440.00	50000.00	512.43
500.00	200000.00	607.94
500.00	180000.00	597.32
500.00	160000.00	585.63
500.00	140000.00	572.25
500.00	120000.00	557.0
500.00	100000.00	539.24
500.00	90000.00	529.04
500.00	80000.00	517.77
500.00	70000.00	504.87
500.00	60000.00	489.95
500.00	50000.00	472.16
550.00	200000.00	590.74
550.00	180000.00	579.21
550.00	160000.00	566.41
550.00	140000.00	551.94
550.00	120000.00	535.44
550.00	100000.00	515.83
550.00	90000.00	504.6
550.00	80000.00	492.04
550.00	70000.00	477.5
550.00	60000.00	460.74
550.00	50000.00	440.41
600.00	200000.00	573.91
600.00	180000.00	561.73
600.00	160000.00	548.14
600.00	140000.00	532.7
600.00	120000.00	515.09
600.00	100000.00	494.03
600.00	90000.00	481.73
600.00	80000.00	467.84
600.00	70000.00	451.97
600.00	60000.00	433.26
600.00	50000.00	410.52
Reference

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass density, kg/m3 - Liquid
280.00	210.80	573.48
280.00	222.50	573.44
280.00	234.00	573.52
280.00	245.70	573.58
280.00	257.40	573.62
280.00	269.20	573.58
280.00	280.90	573.68
300.00	372.60	548.57
300.00	384.20	548.64
300.00	395.90	548.66
300.00	407.60	548.64
300.00	419.20	548.67
300.00	430.90	548.71
300.00	442.60	548.7
320.00	641.10	521.58
320.00	652.80	521.63
320.00	664.40	521.65
320.00	676.10	521.72
320.00	687.80	521.75
320.00	699.40	521.8
320.00	711.10	521.85
340.00	1015.80	492.07
340.00	1027.40	492.12
340.00	1039.10	492.18
340.00	1050.70	492.18
340.00	1062.40	492.21
340.00	1074.10	492.26
340.00	1085.80	492.22
360.00	1547.20	457.27
360.00	1558.80	457.4
360.00	1570.40	457.48
360.00	1582.10	457.56
360.00	1593.70	457.64
360.00	1605.30	457.74
360.00	1616.90	457.85
380.00	2262.90	413.23
380.00	2274.40	413.41
380.00	2286.00	413.58
380.00	2297.60	413.76
380.00	2309.10	413.92
380.00	2320.70	414.09
380.00	2332.30	414.23
400.00	3192.00	342.18
400.00	3202.90	343.05
400.00	3213.80	343.92
400.00	3224.80	344.67
400.00	3235.80	345.49
400.00	3246.80	346.19
400.00	3257.80	347.01
400.00	3268.80	347.76
405.00	3472.20	307.15
405.00	3481.20	309.53
405.00	3490.50	311.71
405.00	3500.20	313.58
405.00	3510.00	315.35
405.00	3519.90	316.99
405.00	3530.00	318.58
405.00	3540.20	319.98
406.00	3531.40	296.61
406.00	3539.40	299.74
406.00	3547.90	302.51
406.00	3556.70	304.98
406.00	3565.90	307.16
406.00	3575.30	309.2
406.00	3584.90	311.11
406.00	3594.80	312.82
407.00	3585.80	275.44
407.00	3587.30	278.66
407.00	3592.30	283.68
407.00	3597.90	287.86
407.00	3605.00	291.49
407.00	3612.90	294.64
407.00	3621.10	297.52
407.00	3629.90	300.02
407.00	3639.50	302.33
407.00	3648.70	304.5
407.00	3658.20	306.49
Reference

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass density, kg/m3 - Liquid
293.15	646.80	556.91
Reference

Speed of sound, m/s

Operational condition: Frequency, MHz = 8 (Liquid)

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Speed of sound, m/s - Liquid
199.99	409.39	1393.64
199.99	599.71	1394.87
199.99	1103.57	1398.12
199.99	2104.34	1404.51
199.99	3104.91	1410.84
199.99	4105.68	1417.1
199.99	5106.27	1423.3
199.99	6107.04	1429.43
199.99	7107.79	1435.5
199.99	8108.46	1441.51
199.99	9109.12	1447.47
199.99	10109.80	1453.36
199.99	12611.50	1467.82
199.99	15113.20	1481.96
199.99	17615.00	1495.8
199.99	20116.80	1509.31
199.99	25120.30	1535.59
199.99	30124.10	1560.85
199.99	35127.50	1585.23
199.99	40130.90	1608.73
199.99	45134.40	1631.48
199.99	50137.80	1653.49
199.99	60144.70	1695.78
199.99	70151.70	1735.8
199.99	80158.30	1773.84
200.00	90165.70	1810.11
200.00	100173.00	1844.91
220.00	1103.16	1276.93
220.00	2103.80	1284.26
220.00	3102.94	1291.51
220.00	3104.43	1291.5
220.00	4105.15	1298.64
220.00	5105.18	1305.69
220.00	6105.99	1312.66
220.00	7106.65	1319.54
220.00	8107.32	1326.33
220.00	9107.99	1333.04
220.00	10108.70	1339.68
220.00	10109.60	1339.68
220.00	12610.40	1355.99
220.00	15112.20	1371.76
220.00	17614.10	1387.18
220.00	20115.80	1402.2
220.00	20115.90	1402.2
220.00	20116.60	1402.21
220.00	25119.30	1431.23
220.00	30122.80	1458.98
220.00	30123.60	1458.98
220.00	35126.30	1485.59
220.00	40129.90	1511.18
220.00	40130.60	1511.2
220.00	45133.80	1535.85
220.00	50137.30	1559.73
220.00	60144.30	1605.15
220.00	70151.30	1647.96
220.00	80158.30	1688.49
220.00	90165.30	1727.05
220.00	100172.00	1763.85
240.00	402.14	1153.03
240.00	402.77	1153.03
240.00	602.82	1154.75
240.00	1103.62	1159.04
240.00	2103.87	1167.5
240.00	2104.32	1167.5
240.00	3104.94	1175.82
240.00	4105.69	1184.0
240.00	5106.26	1192.06
240.00	6107.21	1199.99
240.00	7107.99	1207.8
240.00	8108.09	1215.51
240.00	8109.32	1215.5
240.00	9110.06	1223.09
240.00	10110.80	1230.57
240.00	12612.60	1248.84
240.00	15113.10	1266.49
240.00	15114.30	1266.52
240.00	17616.10	1283.66
240.00	20117.80	1300.31
240.00	25121.30	1332.26
240.00	30123.50	1362.62
240.00	30124.90	1362.63
240.00	35128.40	1391.6
240.00	40132.00	1419.31
240.00	45135.40	1445.92
240.00	50138.80	1471.53
240.00	60145.70	1520.12
240.00	70152.70	1565.65
240.00	80159.60	1608.58
240.00	90166.60	1649.26
240.00	100174.00	1687.97
260.00	402.73	1036.78
260.00	405.47	1036.74
260.00	607.87	1038.79
260.00	1106.38	1043.75
260.00	2103.99	1053.64
260.00	2107.11	1053.6
260.00	3107.75	1063.23
260.00	4108.41	1072.67
260.00	5109.08	1081.92
260.00	6109.71	1090.98
260.00	7111.04	1099.89
259.99	8108.13	1108.68
260.00	8111.73	1108.64
260.00	9112.38	1117.24
260.00	10113.00	1125.7
260.00	12614.70	1146.23
259.99	15113.00	1166.01
260.00	15116.40	1165.99
260.00	17618.10	1185.04
260.00	20119.70	1203.45
260.00	25123.20	1238.56
259.99	30123.30	1271.71
260.00	30126.60	1271.68
260.00	35130.10	1303.07
260.00	40133.60	1332.96
260.00	45136.70	1361.51
260.00	50140.20	1388.89
260.00	60147.10	1440.56
260.00	70154.10	1488.73
260.00	80161.20	1533.91
260.00	90168.30	1576.63
260.00	100175.00	1617.15
280.00	402.43	921.857
280.00	602.22	924.249
280.00	606.25	924.301
280.00	1103.21	930.186
280.00	2103.86	941.794
280.00	3104.45	953.084
280.00	4105.10	964.082
280.00	5105.72	974.802
280.00	6106.29	985.258
280.00	7106.98	995.499
280.00	8107.90	1005.49
280.00	9108.60	1015.28
280.00	10109.30	1024.93
280.00	12611.00	1048.01
280.00	15112.70	1070.13
280.00	17614.40	1091.28
280.00	20116.10	1111.62
280.00	25119.40	1150.11
280.00	30122.90	1186.12
280.00	35126.40	1220.02
280.00	40129.70	1252.1
280.00	45133.30	1282.63
280.00	50136.70	1311.76
280.00	60143.70	1366.43
280.00	70150.70	1417.14
280.00	80157.60	1464.56
280.00	90164.40	1509.1
280.00	100171.00	1551.25
300.00	601.97	809.823
300.00	1103.09	817.035
300.00	1103.42	817.08
300.01	2103.88	831.017
299.99	3104.56	844.544
300.00	4105.32	857.548
300.00	5106.01	870.136
300.00	5106.34	870.124
300.00	6106.49	882.338
300.00	7107.46	894.168
300.00	8108.12	905.68
300.00	9108.67	916.91
300.00	10109.30	927.826
300.00	12611.10	954.014
300.00	15112.80	978.777
300.00	17614.50	1002.31
300.00	20116.30	1024.76
300.00	25119.70	1066.88
300.00	25120.10	1066.88
300.00	30123.10	1105.91
300.00	35126.60	1142.38
300.00	40130.60	1176.71
300.00	45134.10	1209.19
300.00	50137.50	1240.06
300.00	60144.40	1297.71
300.00	70151.40	1350.85
300.00	80158.30	1400.29
300.00	90165.20	1446.65
300.00	100172.00	1490.39
320.00	1103.34	702.165
320.00	1103.69	702.18
320.00	1105.90	702.158
320.00	2106.48	719.58
320.00	3107.11	736.107
320.00	5106.25	766.908
320.00	5106.52	766.924
320.00	5108.33	766.899
320.00	6108.33	781.335
320.00	7108.99	795.231
320.00	8109.75	808.636
320.00	9110.44	821.595
320.00	10109.30	834.147
320.00	10109.60	834.156
320.00	10109.60	834.158
320.00	10109.60	834.155
320.01	12612.40	863.872
320.00	15114.10	891.73
320.00	17615.80	917.892
320.00	20117.50	942.655
320.00	25121.00	988.667
320.00	30122.90	1030.84
320.00	30124.50	1030.86
320.00	35128.10	1069.96
319.99	40131.60	1106.52
319.99	45135.10	1140.94
320.00	50136.40	1173.48
320.00	50138.60	1173.47
320.00	60145.60	1233.99
320.00	70152.60	1289.46
320.00	80159.50	1340.85
320.00	90166.60	1388.87
320.00	100174.00	1434.04
340.00	2104.02	604.55
340.00	2104.18	604.632
340.00	3104.76	625.77
340.00	4105.50	645.516
340.00	5106.01	664.099
340.00	5106.03	664.098
340.00	5106.21	664.038
340.00	6106.73	681.524
340.00	7107.52	698.119
340.00	8108.31	713.936
340.00	9109.08	729.07
340.00	10109.40	743.63
340.00	10109.80	743.591
340.00	12611.60	777.604
340.00	15113.40	808.909
340.00	17615.90	838.023
340.00	20117.60	865.302
340.00	25121.20	915.431
340.00	30122.90	960.884
340.00	30124.70	960.871
340.00	35128.20	1002.64
340.00	40129.70	1041.43
340.00	40131.70	1041.42
340.00	45135.20	1077.73
340.00	50139.60	1111.95
340.00	60146.70	1175.2
340.00	70153.60	1232.86
340.00	80159.30	1286.05
340.00	90166.40	1335.6
340.00	100173.00	1382.09
360.00	2104.44	480.036
360.00	3105.16	509.763
360.00	4105.90	536.085
360.00	5104.49	559.919
360.00	5104.89	559.906
360.00	6107.23	581.763
360.00	7107.97	602.064
360.00	8109.68	621.091
360.00	9110.36	639.005
360.00	10108.50	655.983
360.00	10108.50	655.983
360.00	10111.00	655.987
360.00	12612.70	695.082
360.00	15114.40	730.375
360.00	17616.10	762.732
360.00	20117.80	792.713
360.00	25121.30	847.155
360.00	30124.80	895.898
360.00	35128.30	940.304
360.00	40131.80	981.263
360.00	45135.20	1019.4
360.00	50136.50	1055.19
360.00	50136.60	1055.18
360.00	50138.50	1055.17
360.00	60145.50	1121.01
360.00	70152.40	1180.71
360.00	80159.30	1235.59
360.00	90166.20	1286.55
360.00	100173.00	1334.25
380.00	3104.52	378.472
380.00	3604.06	399.559
380.00	4105.17	418.485
380.00	5105.82	451.633
380.00	6106.48	480.42
380.00	7107.17	506.126
380.00	8107.82	529.515
380.00	8109.55	529.517
380.00	9107.54	551.097
380.00	9107.91	551.063
380.00	10108.50	571.152
380.00	10110.80	571.161
380.00	10110.90	571.156
380.00	10110.90	571.161
380.00	12610.30	616.323
380.00	15112.10	656.145
380.00	15114.40	656.153
380.00	17613.90	692.042
380.00	20115.10	724.919
380.01	20115.10	724.92
380.00	20115.70	724.902
380.00	25119.50	783.755
380.00	25121.30	783.746
380.00	30123.10	835.784
380.00	35126.60	882.757
380.00	40130.30	925.806
380.00	45133.80	965.685
380.01	50135.50	1002.94
380.01	50135.50	1002.94
380.00	50137.40	1002.95
380.00	60144.40	1071.17
380.00	70152.50	1132.76
380.00	80159.60	1189.17
380.00	90166.70	1241.41
380.00	100174.00	1290.2
400.00	4606.13	309.144
400.00	5106.40	334.246
400.00	6107.17	375.601
400.00	7108.08	409.756
400.00	8108.80	439.33
400.00	8109.32	439.326
400.00	9109.50	465.689
400.00	10110.20	489.633
400.00	10110.90	489.633
400.00	12612.00	541.93
400.00	15113.80	586.714
400.00	15114.40	586.717
400.00	17615.60	626.338
400.00	20117.40	662.123
400.00	25122.20	725.354
400.00	30125.60	780.545
400.00	35129.10	829.947
400.00	40132.50	874.936
400.00	45135.90	916.424
400.00	50139.30	955.046
400.00	60146.20	1025.46
400.00	70153.10	1088.74
400.00	80160.00	1146.53
400.00	90166.90	1199.91
400.00	100174.00	1249.68
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.63]	kPa	[186.83; 280.27]	The Yaws Handbook of Vapor Pressure
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.39546e+01
Coefficient B			-2.19709e+03
Coefficient C			-2.60730e+01
Temperature range, min.			186.83
Temperature range, max.			280.27
Pvap	1.33	kPa	186.83	Calculated Property
Pvap	3.05	kPa	197.21	Calculated Property
Pvap	6.37	kPa	207.59	Calculated Property
Pvap	12.25	kPa	217.98	Calculated Property
Pvap	22.05	kPa	228.36	Calculated Property
Pvap	37.47	kPa	238.74	Calculated Property
Pvap	60.61	kPa	249.12	Calculated Property
Pvap	93.93	kPa	259.51	Calculated Property
Pvap	140.24	kPa	269.89	Calculated Property
Pvap	202.63	kPa	280.27	Calculated Property
Pvap	[1.42e-05; 3683.76]	kPa	[113.54; 408.14]	KDB Vapor Pressure Data
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			7.35135e+01
Coefficient B			-4.57713e+03
Coefficient C			-9.41672e+00
Coefficient D			1.51428e-05
Temperature range, min.			113.54
Temperature range, max.			408.14
Pvap	1.42e-05	kPa	113.54	Calculated Property
Pvap	0.01	kPa	146.27	Calculated Property
Pvap	0.66	kPa	179.01	Calculated Property
Pvap	8.55	kPa	211.74	Calculated Property
Pvap	50.03	kPa	244.47	Calculated Property
Pvap	181.03	kPa	277.21	Calculated Property
Pvap	484.19	kPa	309.94	Calculated Property
Pvap	1065.51	kPa	342.67	Calculated Property
Pvap	2064.61	kPa	375.41	Calculated Property
Pvap	3683.76	kPa	408.14	Calculated Property

Similar Compounds

Find more compounds similar to Isobutane.

Mixtures

• Propane + Isobutane
• Squalane + Isobutane
• Ethyl Acetate + Isobutane
• Isobutane + Methyl Alcohol
• Ethanol + Isobutane
• Isopropyl Alcohol + Isobutane
• 2-Propanol, 2-methyl- + Isobutane
• Dimethyl sulfide + Isobutane
• Benzene, (1-methylundecyl)- + Isobutane
• Diethyl sulfide + Isobutane
• Propanenitrile + Isobutane
• Methane, trifluoroiodo- + Isobutane
• Propane, 1,1,1,3,3-pentafluoro + Isobutane
• Dimethyl ether + Isobutane
• 1-Propanol + Isobutane
• Ethylene oxide + Isobutane
• Acetone + Isobutane
• Thiophene + Isobutane
• Disulfide, dimethyl + Isobutane
• Norflurane + Perfluoropropane + Isobutane

Find more mixtures with Isobutane.

Sources

• KDB Pure (Korean Thermophysical Properties Databank)
• KDB Vapor Pressure Data
• Cheméo Relay (1.0)
• Crippen Method
• Isochoric Heat Capacities of Propane+Isobutane Mixtures at Temperatures from 280 to 420 K and at Pressures to 30 MPa
• Measurements of the Liquid Viscosities of Mixtures of Isobutane with Squalane to 30 MPa
• Saturated Liquid Viscosity of Ethyl Fluoride (HFC161) from 233 K to 373 K
• Measurement of the (p, rho, T) Properties for Pure Hydrocarbons at Temperatures up to 600 K and Pressures up to 200 MPa
• Critical Parameters and Critical-Region ( p, .rho., T) Data of trans-1,1,1,3-Tetrafluorobut-2-ene [HFO-1354mzy(E)]
• Vapour liquid equilibrium for the ethyl ethanoate + 1-butene, +cis-2-butene, +trans-2-butene, +2-methylpropene, +n-butane and +2-methylpropane
• Vapour liquid equilibrium for the 2-methylpropane + methanol, +ethanol, +2-propanol, +2-butanol and +2-methyl-2-propanol systems at 313.15K
• Henry s law constants of propane, propene, butane, and 2-methylpropane in methanol at 374-490K
• Vapor liquid equilibrium measurements and correlations for the binary mixture of difluoromethane + isobutane and the ternary mixture of propane + isobutane + difluoromethane
• Isothermal binary vapour liquid equilibrium for butanes and butenes with dimethylsulphide
• Surface tension of pentafluoroethane + 1,1-difluoroethane from (243 to 328)K
• Solubility, density and viscosity of mixtures of isobutane (R-600a) and a linear alkylbenzene lubricant oil
• Vapour liquid equilibrium for the systems diethyl sulphide + 1-butene, +cis-2-butene, +2-methylpropane, +2-methylpropene, +n-butane, +trans-2-butene
• Phase equilibrium measurements for systems containing propanenitrile with tert-butyl ethyl ether and C4-hydrocarbons
• Surface tension of ethyl fluoride (HFC161) from (233 to 373) K
• Vapor-liquid equilibria for binary system of 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a)
• High pressure vapor-liquid equilibria measurements and modeling of butane/ethanol system and isobutane/ethanol system
• Vapor pressure and gaseous speed of sound measurements for isobutane (R600a)
• Effects of association with impurities in ammonia purification
• The investigation on the vapor + liquid equilibrium for the ternary mixture isobutene (R600a) + 1,1-difluoroethane (R152a) + 1,1,2,2-tetrafluoroethane (R134) at temperatures from 253.150 to 273.150 K
• Vapor-liquid equilibria measurements of 1,1,1,2-tetrafluoroethane (HFC-134a) + 2,3,3,3-tetrafluoroprop-1-ene (HFO-1234yf) + isobutane (HC-600a) ternary system
• Henry's constants and infinite dilution activity coefficients of propane, propene, butane, isobutene, 1-butene, isobutane, trans-2-butene and 1,3-butadiene in 1-propanol at T=(260 to 340) K
• Henry's constants and infinite dilution activity coefficients of propane, propene, butane, isobutane, 1-butene, isobutene, trans-2-butene, and 1,3-butadiene in isobutanol and tert-butanol
• Vapour pressures of isobutane at T = (310 to 407) K
• Measurement of the (p,.rho.,T) relation of propane, propylene, n-butane, and isobutane in the temperature range from (95 to 340) K at pressures up to 12 MPa using an accurate two-sinker densimeter
• Henry's constants and infinite dilution activity coefficients of propane, propene, butane, isobutane, 1-butene, isobutene, trans-2-butene, and 1,3-butadiene in 1-pentanol, 2-pentanol and 3-pentanol
• Measurements of (p,q,T) properties for isobutane in the temperature range from 280 K to 440 K at pressures up to 200 MPa
• Critical parameters for isobutane determined by the image analysis
• The (p, p, T,x) properties for {x propane + (1 - x) isobutane} with x =(1.0000, 0.2765, 0.5052, and 0.7468) in the temperature range from (280 to 440) K at pressures from (1 to 200) MPa
• The (p, rho, T, x) properties for (x1 n-butane + x2 isobutane) with x1 = (0.2625, 0.4913, and 0.7508) in the temperature range from (280 to 440) K at pressures from (1 to 200) MPa
• The (p, rho, T, x) properties for (propane + n-butane + isobutane) ternary mixtures over the temperature range from (280 to 440) K at pressures from (1 to 200) MPa
• Measurements of saturated-liquid densities for isobutane at T = (280 to 407) K
• Isothermal (vapour + liquid) equilibrium for the binary {1,1,2,2-tetrafluoroethane (R134) + propane (R290)} and {1,1,2,2-tetrafluoroethane (R134) + isobutane (R600a)} systems
• The precise measurement of the (vapour + liquid) equilibrium properties for (CO2 + isobutane) binary mixtures
• (p, rho, T, x) properties for CO2/isobutane binary mixtures at T = (280 to 440) K and (3 to 200) MPa
• Determination of Henry's constant of light hydrocarbon gases at low temperatures
• Measurements of (vapour + liquid) equilibrium data for {trifluoroiodomethane (R13I1) + isobutane (R600a)} at temperatures between (263.150 and 293.150) K
• A static analytical apparatus for vapour pressures and (vapour + liquid) phase equilibrium measurements with an internal stirrer and view windows
• (Vapor + liquid + liquid) equilibrium measurements and correlation for {1,1,2,2-tetrafluoroethane (R134) + isobutane (R600a)} system
• Solubilities of isobutane and cyclopropane in ionic liquids
• Isobutane as a probe of the structure of 1-alkyl-3-methylimidazolium bis(trifluoromethylsulfonyl)imide ionic liquids
• Measurements and correlations of isothermal (vapour + liquid) equilibrium for the {isobutane (R600a) + cis-1,3,3,3-tetrafluoropropene (R1234ze(Z))} system at temperatures from (303.150 to 353.150) K
• pVTx properties of binary R1234ze(E)/R600a system
• Heat capacity of isobutane in liquid phase at temperatures from 303 K to 413 K and pressures up to 12 MPa
• Solubility Measurement and Correlation of Isobutane with Two Pentaerythritol Tetraalkyl Esters between (293.15 and 348.15) K
• Reference Quality Vapor-Liquid Equilibrium Data for the Binary Systems Methane + Ethane, + Propane, + Butane and, + 2-Methylpropane, at Temperatures from (203 to 273) K and Pressures to 9 MPa
• Pressure Volume Temperature Property Measurements for trans-1,1,1,3-Tetrafluoro-2-butene [HFO-1354mzy(E)]
• Measurements of Surface Tension of R1234yf and R1234ze(E)
• Vapor Phase PTx Measurements of Binary Blends of 2,3,3,3-Tetrafluoroprop-1-ene + Isobutane and trans-1,3,3,3-Tetrafluoroprop-1-ene + Isobutane
• Vapor Phase PvTx Measurements of Binary Blends of trans-1-Chloro-3,3,3-trifluoroprop-1-ene + Isobutane and cis-1,3,3,3-Tetrafluoroprop-1-ene + Isobutane
• Vapor Liquid Phase Equilibrium for Azeotropic Isobutane + trans-1,3,3,3-Tetrafluoropropene + Trifluoroiodomethane System at Temperatures from 243.150 to 283.150 K
• Speed-of-Sound Measurements and Derived Thermodynamic Properties of Liquid Isobutane
• Vapor-Phase PvTx Measurements of Binary Blends of cis-1,2,3,3,3-Pentafluoroprop-1-ene + Isobutane and 3,3,3-Trifluoropropene + Isobutane
• Measurement of Vapor-Liquid Equilibria for the Binary Mixture of Propane (R-290) + Isobutane (R-600a)
• Surface Tension Measurements of Propane (R-290) and Isobutane (R-600a) from (253 to 333) K
• Henry's Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, Isobutane, 1-Butene, Isobutene, trans-2-Butene, and 1,3-butadiene in 2-propanol at 250-330 K
• Henry's Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, Isobutane, 1-Butene, Isobutene, trans-2-Butene and 1,3-Butadiene in 1-Butanol and 2-Butanol at (250 to 330) K
• Critical Properties of Three Dimethyl Ether Binary Systems: Dimethyl Ether (RE-170) + Propane (HC-290), Butane (HC-600), and 2-Methyl Propane (HC-600A)
• Vapor-Liquid Equilibrium (VLE) Properties for the Binary Systems Propane (1) + n-Butane (2) and Propane (1) + Isobutane (3)
• Liquid-Phase Thermodynamic Properties for the Binary and Ternary Systems of Propane (1), n-Butane (2), and Isobutane (3)
• Liquid-Phase Thermodynamic Properties for Propane (1), n-Butane (2), and Isobutane (3)
• Henry's law constants and infinite dilution activity coefficients of propane, propene, butane, isobutane, 1-butene, isobutene, trans-2-butene, and 1,3-butadiene in 2-methyl-1-butanol, 3-methyl-1-butanol, and 2-methyl-2-butanol
• Vapor-Liquid Equilibrium for 1-Propanol + 1-Butene, + cis-2-Butene, + 2-Methyl-propene, + trans-2-Butene, + n-Butane, and + 2-Methyl-propane
• Henry's Law Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, 2-Methylpropane, 1-Butene, 2-Methylpropene, trans-2-Butene, cis-2-Butene, 1,3-Butadiene, Dimethyl Ether, Chloroethane, and 1,1-Difluoroethane in 2-Propen-1-ol
• Vapor-Liquid Equilibria on Seven Binary Systems: Ethylene Oxide + 2-Methylpropane; Acetophenone + Phenol; cis-1,3-Dichloropropene + 1,2-Dichloropropane; 1,5-Hexadiene + Allyl Chloride; Isopropyl Acetate + Acetonitrile; Vinyl Chloride + Methyl Chloride; and 1,4-Butanediol + c-Butyrolactone
• Critical Parameters for 2-Methylpropane (R600a)
• Henry s Law Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, 2-Methylpropane, 1-Butene, 2-Methylpropene, trans-2-Butene, cis-2-Butene, 1,3-Butadiene, Dimethyl Ether, Chloroethane, and 1,1-Difluoroethane in 2-Methyl-3-buten-2-ol and 3-Methyl-3-buten-1-ol
• Vapor Liquid Equilibrium for Six Binary Systems of C4-Hydrocarbons + 2-Propanone
• Henry's Law Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, 2-Methylpropane, 1-Butene, 2-Methylpropene, trans-2-Butene, cis-2-Butene, 1,3-Butadiene, Dimethyl Ether, Chloroethane, and 1,1-Difluoroethane in Benzene, Toluene, o-Xylene, m-Xylene, p-Xylene, and Styrene
• Henry's Law Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, 2-Methylpropane, 1-Butene, 2-Methylpropene, trans-2-Butene, cis-2-Butene, 1,3-Butadiene, Dimethyl Ether, Chloroethane, and 1,1-Difluoroethane in 2-Methylphenol, 3-Methylphenol, and 4-Methylphenol
• Vapor-Liquid Equilibrium for Thiophene + Butane, + trans-But-2-ene, + 2-Methylpropane, and + 2-Methylpropene
• Vapor-Liquid Equilibrium for Dimethyl Disulfide + Butane, + trans-But-2-ene, + 2-Methylpropane, + 2-Methylpropene, + Ethanol, and 2-Ethoxy-2-methylpropane
• Vapor Liquid Equilibria of the trans-1,3,3,3-Tetrafluoropropene (R1234ze(E)) + Isobutane (R600a) System at Various Temperatures from (258.150 to 288.150) K
• Experimental Study of p-.rho.-T Relationship of Compressed Liquid Phase for Octafluoropropane and Two near Azeotropic Ternary HFC/HC Mixtures
• Measurement and Modeling of the Solubility of Anthracene and Carbazole in Compressed Isobutane
• New Vapor Liquid Liquid Equilibrium Solubility Data for iso-Butane, n-Butane, n-Pentane, and n-Hexane in Alkanolamine Aqueous Solutions
• Solubility of Isobutane in Ionic Liquids [BMIm][PF6], [BMIm][BF4], and [BMIm][Tf2N]
• Critical Temperatures and Pressures of Several Binary and Ternary Mixtures Concerning the Alkylation of 2-Methylpropane with 1-Butene in the Presence of Methane or Carbon Dioxide
• Vapor-Liquid Equilibria for the Binary System Pentafluoroethane (HFC-125) + Isobutane (HC-600a) at Temperatures from (243.15 to 333.15) K
• Henry s Law Constants and Infinite Dilution Activity Coefficients of Propane, Propene, Butane, 2-Methylpropane, 1-Butene, 2-Methylpropene, trans-2-Butene, cis-2-Butene, 1,3-Butadiene, Dimethylether, Chloroethane, 1,1-Difluoroethane, and Hexane in Tetrahydropyran
• Vapor Liquid Equilibrium for the Systems 2-Methylpropane + Methanol, + 2-Propanol, + 2-Butanol, and + 2-Methyl-2-propanol at 364.5 K
• Vapor-Liquid Equilibrium for 1-Butanol + 1-Butene at (318.4 and 364.5) K and Vapor-Liquid Equilibrium of 1-Butanol + 2-Methylpropane, + n-Butane and 1-Butene + 2-Methylpropane at 318.4 K
• Vapor-Liquid Equilibrium for Tetrahydrothiophene + n-Butane, + trans-2-Butene, + 2-Methylpropane, and + 2-Methylpropene
• Molar Heat Capacity at Constant Volume for Isobutane at Temperatures from (114 to 345) K and at Pressures to 35 MPa
• p?Tx-Property Measurements Near Saturation in the Gaseous Phase for Propane + Isobutane
• Isothermal Binary Vapor-Liquid Equilibrium for 2-Methylpropane and n-Butane with 1,2-Ethanedithiol and 2-Methyl-2-propanethiol
• Vapour Liquid Equilibria Measurements of Methane + 2- Methylpropane (Isobutane) at Temperatures from (150 to 250) K and Pressures to 9 MPa
• Joback Method
• KDB
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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Outlier This icon means that the value is more than 2 standard deviations away from the property mean.