Chemical Properties of 2-Butene, 2-methyl- (CAS 513-35-9)

InChI

InChI=1S/C5H10/c1-4-5(2)3/h4H,1-3H3

InChI Key

BKOOMYPCSUNDGP-UHFFFAOYSA-N

Formula

C5H10

SMILES

CC=C(C)C

Molecular Weight¹

70.13

CAS

513-35-9

Other Names

• (CH3)2C=CHCH3
• 1,1,2-Trimethylethylene
• 2-Methy-2-Butene
• 2-Methylbutene-2
• 2-methyl-2-butene
• 2-methylbut-2-ene
• 3-Methyl-2-butene
• Amylene
• Ethylene, trimethyl-
• NSC 74118
• UN 2460
• b-isoamylene
• n-amylene
• trimethylethylene
• «beta»-Isoamylene

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• AP : Aniline Point (K).
• BasG : Gas basicity (kJ/mol).
• Δ_cH°_liquid : Standard liquid 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).
• C_sat : Molar heat capacity at saturation pressure (J/mol×K).
• μ : Dipole Moment (debye).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (kJ/mol).
• 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_fH°_liquid : Liquid phase 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).
• 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).
• n₀ : Refractive Index.
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• I_p : 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).
• γ : Surface Tension (N/m).
• T_boil : Normal Boiling Point Temperature (K).
• T_c : Critical Temperature (K).
• λ_gas : Gas thermal conductivity (W/m×K).
• λ_liquid : Liquid thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_triple : Triple Point Temperature (K).
• U_Qi : UNIQUAC Qi Parameter.
• U_Ri : UNIQUAC Ri Parameter.
• V_c : Critical Volume (m³/kmol).
• V_COSTALD : COSTALD Characteristic Volume (m³/kmol).
• ω_SRK : SRK acentric factor.
• Z_c : Critical Compressibility.
• Z_ra : Rackett Parameter.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	[0.2440; 0.3390]
ω	0.2850		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω	0.2837		Passut and Danner (1973), critical constants and acentric factors Compiled value
ω	0.3390		ChemSep v8.3 pure component data Compiled value
ω	0.2440		KDB
PAff	808.80	kJ/mol	NIST
AP	285.950	K	KDB
BasG	779.90	kJ/mol	NIST
ΔcH°liquid	-3328.60 ± 1.30	kJ/mol	NIST
μ	0.34	debye	ChemSep v8.3 pure component data Compiled value
ΔfG°	[59.70; 60.45]	kJ/mol
ΔfG°	60.45	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfG°	59.70	kJ/mol	KDB
Δc,grossH	3326.91	kJ/mol	KDB
Δc,netH	3106.829	kJ/mol	KDB
ΔfH°gas	[-42.58; -41.00]	kJ/mol
ΔfH°gas	-41.80	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	-42.58	kJ/mol	KDB
ΔfH°gas	-41.50 ± 0.88	kJ/mol	NIST
ΔfH°gas	-41.00	kJ/mol	NIST
ΔfH°liquid	[-68.60; -68.10]	kJ/mol
ΔfH°liquid	-68.60 ± 0.80	kJ/mol	NIST
ΔfH°liquid	-68.10 ± 1.30	kJ/mol	NIST
ΔfusH°	7.60	kJ/mol	Joback Calculated Property
ΔvapH°	[27.10; 27.34]	kJ/mol
ΔvapH°	27.34	kJ/mol	NIST
ΔvapH°	27.10	kJ/mol	NIST
ΔvapH°	27.10 ± 0.10	kJ/mol	NIST
IE	[8.67; 8.85]	eV
IE	8.69 ± 0.01	eV	NIST
IE	8.69	eV	NIST
IE	8.68 ± 0.02	eV	NIST
IE	8.68 ± 0.00	eV	NIST
IE	8.70	eV	NIST
IE	8.83 ± 0.11	eV	NIST
IE	8.72	eV	NIST
IE	Outlier 8.85 ± 0.04	eV	NIST
IE	8.67 ± 0.02	eV	NIST
IE	8.68	eV	NIST
log10WS	[-2.56; -2.56]
log10WS	-2.56		Aq. Solubility Prediction
log10WS	-2.56		Estimated Solubility
logPoct/wat	1.973		Crippen Calculated Property
McVol	77.010	ml/mol	McGowan Calculated Property
NFPA Fire	3		KDB
NFPA Health	2		KDB
Pc	[3420.00; 3860.00]	kPa
Pc	3420.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value
Pc	3445.05	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc	3447.38	kPa	Passut and Danner (1973), critical constants and acentric factors Compiled value
Pc	Outlier 3860.00	kPa	ChemSep v8.3 pure component data Compiled value
Pc	3420.00	kPa	KDB
Pc	3420.00 ± 100.00	kPa	NIST
Ptriple	1.94e-05	kPa	ChemSep v8.3 pure component data Compiled value
Inp	[498.00; 531.00]
Inp	520.20		NIST
Inp	513.80		NIST
Inp	515.00		NIST
Inp	520.10		NIST
Inp	Outlier 504.00		NIST
Inp	Outlier 504.00		NIST
Inp	520.00		NIST
Inp	519.80		NIST
Inp	520.00		NIST
Inp	519.80		NIST
Inp	514.30		NIST
Inp	514.40		NIST
Inp	523.00		NIST
Inp	519.00		NIST
Inp	519.00		NIST
Inp	520.00		NIST
Inp	520.00		NIST
Inp	520.00		NIST
Inp	514.50		NIST
Inp	519.90		NIST
Inp	520.30		NIST
Inp	514.50		NIST
Inp	514.70		NIST
Inp	514.00		NIST
Inp	520.00		NIST
Inp	520.00		NIST
Inp	520.00		NIST
Inp	519.00		NIST
Inp	514.33		NIST
Inp	514.00		NIST
Inp	514.00		NIST
Inp	526.00		NIST
Inp	514.00		NIST
Inp	514.00		NIST
Inp	513.75		NIST
Inp	514.00		NIST
Inp	507.00		NIST
Inp	514.00		NIST
Inp	514.00		NIST
Inp	515.00		NIST
Inp	515.00		NIST
Inp	515.00		NIST
Inp	515.00		NIST
Inp	522.00		NIST
Inp	514.00		NIST
Inp	526.00		NIST
Inp	527.00		NIST
Inp	525.00		NIST
Inp	523.00		NIST
Inp	515.80		NIST
Inp	518.60		NIST
Inp	520.00		NIST
Inp	513.84		NIST
Inp	514.38		NIST
Inp	514.00		NIST
Inp	520.30		NIST
Inp	519.50		NIST
Inp	520.40		NIST
Inp	514.20		NIST
Inp	Outlier 530.00		NIST
Inp	514.00		NIST
Inp	515.00		NIST
Inp	Outlier 531.00		NIST
Inp	519.00		NIST
Inp	521.00		NIST
Inp	Outlier 498.00		NIST
Inp	514.00		NIST
Inp	522.00		NIST
Inp	514.00		NIST
Inp	519.00		NIST
Inp	515.00		NIST
Inp	Outlier 502.00		NIST
Inp	515.00		NIST
Inp	521.00		NIST
Inp	514.00		NIST
Inp	515.00		NIST
Inp	522.00		NIST
Inp	517.00		NIST
Inp	520.00		NIST
Inp	520.00		NIST
Inp	523.00		NIST
Inp	524.00		NIST
Inp	517.00		NIST
Inp	517.00		NIST
Inp	517.00		NIST
Inp	514.00		NIST
Inp	525.00		NIST
Inp	515.80		NIST
Inp	514.00		NIST
Inp	519.00		NIST
Inp	525.00		NIST
Ip	[561.00; 614.00]
Ip	614.00		NIST
Ip	573.00		NIST
Ip	561.00		NIST
Ip	614.00		NIST
S°liquid	[248.90; 251.20]	J/mol×K
S°liquid	251.20	J/mol×K	NIST
S°liquid	251.04	J/mol×K	NIST
S°liquid	248.90	J/mol×K	NIST
Tboil	[308.15; 312.00]	K
Tboil	311.70	K	ChemSep v8.3 pure component data Compiled value
Tboil	311.71	K	KDB
Tboil	Outlier 309.70	K	NIST
Tboil	311.80	K	NIST
Tboil	311.70	K	NIST
Tboil	310.70 ± 0.70	K	NIST
Tboil	311.40 ± 1.50	K	NIST
Tboil	311.60 ± 1.00	K	NIST
Tboil	311.60 ± 0.50	K	NIST
Tboil	311.70 ± 1.50	K	NIST
Tboil	311.80 ± 0.60	K	NIST
Tboil	312.00 ± 5.00	K	NIST
Tboil	311.72 ± 0.30	K	NIST
Tboil	311.65 ± 1.00	K	NIST
Tboil	311.75 ± 0.60	K	NIST
Tboil	311.63 ± 0.10	K	NIST
Tboil	Outlier 309.65 ± 2.00	K	NIST
Tboil	311.50 ± 0.60	K	NIST
Tboil	311.75 ± 0.50	K	NIST
Tboil	311.65 ± 1.00	K	NIST
Tboil	311.75 ± 0.50	K	NIST
Tboil	Outlier 308.15 ± 2.00	K	NIST
Tboil	311.70 ± 0.50	K	NIST
Tboil	311.64 ± 0.30	K	NIST
Tboil	311.75 ± 0.30	K	NIST
Tboil	310.30 ± 0.50	K	NIST
Tboil	311.00 ± 2.00	K	NIST
Tboil	311.65 ± 0.30	K	NIST
Tboil	311.75 ± 1.00	K	NIST
Tboil	311.63 ± 0.30	K	NIST
Tboil	311.75 ± 0.30	K	NIST
Tboil	311.15 ± 1.50	K	NIST
Tboil	311.15 ± 1.50	K	NIST
Tboil	311.75 ± 1.00	K	NIST
Tboil	311.57 ± 0.15	K	NIST
Tboil	311.57 ± 0.20	K	NIST
Tboil	311.45 ± 0.50	K	NIST
Tboil	311.27 ± 1.00	K	NIST
Tboil	309.80 ± 1.50	K	NIST
Tboil	310.90 ± 1.50	K	NIST
Tboil	310.85 ± 1.00	K	NIST
Tboil	311.45 ± 0.60	K	NIST
Tboil	311.40 ± 2.00	K	NIST
Tboil	310.30 ± 0.50	K	NIST
Tboil	311.00 ± 3.00	K	NIST
Tboil	311.57 ± 0.20	K	NIST
Tboil	310.15 ± 2.00	K	NIST
Tc	[470.00; 481.00]	K
Tc	477.47	K	Vapor Pressures and Vapor Liquid Critical Properties of Four Pentene Isomers
Tc	470.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value
Tc	470.00	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc	470.37	K	Passut and Danner (1973), critical constants and acentric factors Compiled value
Tc	470.00	K	ChemSep v8.3 pure component data Compiled value
Tc	470.00	K	KDB
Tc	470.00 ± 1.00	K	NIST
Tc	Outlier 481.00	K	NIST
Tfus	[127.10; 150.00]	K
Tfus	139.15	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	139.39	K	ChemSep v8.3 pure component data Compiled value
Tfus	139.39	K	KDB
Tfus	139.22	K	Aq. Solubility Prediction
Tfus	139.35 ± 0.07	K	NIST
Tfus	139.35 ± 0.04	K	NIST
Tfus	139.37 ± 0.02	K	NIST
Tfus	139.12 ± 0.40	K	NIST
Tfus	140.20 ± 0.50	K	NIST
Tfus	139.00 ± 1.50	K	NIST
Tfus	139.00 ± 1.00	K	NIST
Tfus	Outlier 127.10 ± 0.70	K	NIST
Tfus	Outlier 150.00 ± 4.00	K	NIST
Tfus	146.00 ± 6.00	K	NIST
Ttriple	[138.90; 139.44]	K
Ttriple	139.43	K	Staveley, Lobo and Calado (1981), triple points Compiled value
Ttriple	139.39	K	ChemSep v8.3 pure component data Compiled value
Ttriple	139.40 ± 0.02	K	NIST
Ttriple	139.42 ± 0.05	K	NIST
Ttriple	139.44 ± 0.60	K	NIST
Ttriple	139.42 ± 0.60	K	NIST
Ttriple	138.90 ± 0.20	K	NIST
Ttriple	139.40 ± 0.02	K	NIST
Ttriple	139.42 ± 0.05	K	NIST
Ttriple	138.90 ± 0.20	K	NIST
UQi	3.22		ChemSep v8.3 pure component data Compiled value
URi	3.59		ChemSep v8.3 pure component data Compiled value
Vc	[0.292; 0.296]	m3/kmol
Vc	0.296	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc	0.292	m3/kmol	ChemSep v8.3 pure component data Compiled value
VCOSTALD	0.29	m3/kmol	Hankinson and Thomson (1979), COSTALD parameters Compiled value
ωSRK	0.29		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zc	0.2880000		ChemSep v8.3 pure component data Compiled value
Zra	[0.26; 0.28]
Zra	0.26		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zra	0.28		ChemSep v8.3 pure component data Compiled value
Zra	0.26		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[111.00; 152.05]	J/mol×K	[319.04; 471.09]
Cp,gas	111.00 ± 0.33	J/mol×K	319.04	NIST
Cp,gas	122.97 ± 0.37	J/mol×K	362.37	NIST
Cp,gas	133.93 ± 0.40	J/mol×K	402.26	NIST
Cp,gas	143.05 ± 0.43	J/mol×K	436.18	NIST
Cp,gas	152.05 ± 0.46	J/mol×K	471.09	NIST
Cp,liquid	[146.40; 152.80]	J/mol×K	[293.90; 298.15]
Cp,liquid	146.40	J/mol×K	293.90	NIST
Cp,liquid	152.80	J/mol×K	298.15	NIST
Cp,liquid	152.80	J/mol×K	298.15	NIST
Csat	[132.10; 153.30]	J/mol×K	[140.00; 300.00]
Csat	132.20	J/mol×K	140.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	132.10	J/mol×K	150.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	132.20	J/mol×K	160.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	132.50	J/mol×K	170.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	133.00	J/mol×K	180.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	133.70	J/mol×K	190.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	134.60	J/mol×K	200.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	135.60	J/mol×K	210.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	136.90	J/mol×K	220.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	138.40	J/mol×K	230.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	140.00	J/mol×K	240.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	141.80	J/mol×K	250.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	143.80	J/mol×K	260.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	145.90	J/mol×K	270.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	146.60	J/mol×K	273.15	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	148.20	J/mol×K	280.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	150.70	J/mol×K	290.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	152.80	J/mol×K	298.15	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
Csat	153.30	J/mol×K	300.00	Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD
ΔfusH	[7.43; 7.60]	kJ/mol	[138.90; 139.42]
ΔfusH	7.43	kJ/mol	138.90	NIST
ΔfusH	7.43	kJ/mol	138.90	NIST
ΔfusH	7.58	kJ/mol	139.40	NIST
ΔfusH	7.59	kJ/mol	139.40	NIST
ΔfusH	7.60	kJ/mol	139.40	NIST
ΔfusH	7.58	kJ/mol	139.40	NIST
ΔfusH	7.60	kJ/mol	139.42	NIST
ΔfusH	7.60	kJ/mol	139.42	NIST
ΔvapH	[26.30; 28.40]	kJ/mol	[290.00; 312.00]
ΔvapH	27.50 ± 0.10	kJ/mol	290.00	NIST
ΔvapH	28.40	kJ/mol	307.00	NIST
ΔvapH	28.30	kJ/mol	310.00	NIST
ΔvapH	26.30	kJ/mol	311.70	KDB
ΔvapH	26.31	kJ/mol	311.70	NIST
ΔvapH	26.30 ± 0.10	kJ/mol	312.00	NIST
n0	[1.38420; 1.38760]		[293.15; 298.15]
n0	1.38760		293.15	Isobaric Vapor Liquid Equilibrium for Nine Binary Systems of Cracking C5 Fraction at 250 kPa
n0	1.38420		298.15	KDB
ρl	662.00	kg/m3	293.00	KDB
ΔfusS	[5.35; 54.49]	J/mol×K	[138.90; 139.42]
ΔfusS	5.35	J/mol×K	138.90	NIST
ΔfusS	5.35	J/mol×K	138.90	NIST
ΔfusS	54.37	J/mol×K	139.40	NIST
ΔfusS	54.37	J/mol×K	139.40	NIST
ΔfusS	54.49	J/mol×K	139.42	NIST
ΔfusS	54.49	J/mol×K	139.42	NIST
γ	0.02	N/m	298.20	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[83.97; 287.58]	J/mol×K	[200.00; 1500.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,gas in J/mol×K, T in K
Coefficient A			7.53430e+01
Coefficient B			-7.74170e+02
Coefficient C			6.06724e+00
Coefficient D			-2.20090e-04
Coefficient E			6.07630e-08
Temperature range, min.			200.00
Temperature range, max.			1500.00
Cp,gas	83.97	J/mol×K	200.00	Calculated Property
Cp,gas	117.91	J/mol×K	344.44	Calculated Property
Cp,gas	156.03	J/mol×K	488.89	Calculated Property
Cp,gas	188.62	J/mol×K	633.33	Calculated Property
Cp,gas	214.76	J/mol×K	777.78	Calculated Property
Cp,gas	235.55	J/mol×K	922.22	Calculated Property
Cp,gas	252.29	J/mol×K	1066.67	Calculated Property
Cp,gas	266.02	J/mol×K	1211.11	Calculated Property
Cp,gas	277.58	J/mol×K	1355.56	Calculated Property
Cp,gas	287.58	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[132.14; 156.55]	J/mol×K	[139.39; 311.71]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is Cp,liquid in J/mol×K, T in K
Coefficient A			1.27040e+02
Coefficient B			1.07170e+03
Coefficient C			-1.47908e+01
Coefficient D			7.50720e-02
Coefficient E			-8.91640e-05
Temperature range, min.			139.39
Temperature range, max.			311.71
Cp,liquid	132.14	J/mol×K	139.39	Calculated Property
Cp,liquid	132.14	J/mol×K	158.54	Calculated Property
Cp,liquid	132.88	J/mol×K	177.68	Calculated Property
Cp,liquid	134.25	J/mol×K	196.83	Calculated Property
Cp,liquid	136.30	J/mol×K	215.98	Calculated Property
Cp,liquid	139.09	J/mol×K	235.12	Calculated Property
Cp,liquid	142.65	J/mol×K	254.27	Calculated Property
Cp,liquid	146.91	J/mol×K	273.42	Calculated Property
Cp,liquid	151.67	J/mol×K	292.56	Calculated Property
Cp,liquid	156.55	J/mol×K	311.71	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0031719; 0.0001196]	Pa×s	[139.39; 373.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K
Coefficient A			-1.12340e+01
Coefficient B			7.03420e+02
Coefficient C			9.48710e-02
Coefficient D			-1.76250e-06
Coefficient E			2.00000e+00
Temperature range, min.			139.39
Temperature range, max.			373.00
η	0.0031719	Pa×s	139.39	Calculated Property
η	0.0014396	Pa×s	165.35	Calculated Property
η	0.0008063	Pa×s	191.30	Calculated Property
η	0.0005162	Pa×s	217.26	Calculated Property
η	0.0003616	Pa×s	243.22	Calculated Property
η	0.0002699	Pa×s	269.17	Calculated Property
η	0.0002108	Pa×s	295.13	Calculated Property
η	0.0001704	Pa×s	321.09	Calculated Property
η	0.0001413	Pa×s	347.04	Calculated Property
η	0.0001196	Pa×s	373.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[35.39; 0.00]	kJ/mol	[139.39; 470.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·(1 − Tr)^(B + C·Tr + D·Tr² + E·Tr³), Tr = T/Tc Y is ΔvapH in kJ/mol, T in K
Coefficient A			4.34560e+01
Coefficient B			6.42260e-01
Coefficient C			-7.00510e-02
Coefficient D			-5.39500e-01
Coefficient E			3.56560e-01
Critical temperature, Tc (K)			4.70000e+02
Temperature range, min.			139.39
Temperature range, max.			470.00
ΔvapH	35.39	kJ/mol	139.39	Calculated Property
ΔvapH	33.42	kJ/mol	176.12	Calculated Property
ΔvapH	31.51	kJ/mol	212.86	Calculated Property
ΔvapH	29.62	kJ/mol	249.59	Calculated Property
ΔvapH	27.68	kJ/mol	286.33	Calculated Property
ΔvapH	25.60	kJ/mol	323.06	Calculated Property
ΔvapH	23.21	kJ/mol	359.80	Calculated Property
ΔvapH	20.18	kJ/mol	396.53	Calculated Property
ΔvapH	15.73	kJ/mol	433.27	Calculated Property
ΔvapH	0.00	kJ/mol	470.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.65]	kPa	[225.05; 333.31]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.43288e+01
Coefficient B			-2.72849e+03
Coefficient C			-3.07250e+01
Temperature range, min.			225.05
Temperature range, max.			333.31
Pvap	1.33	kPa	225.05	Calculated Property
Pvap	3.02	kPa	237.08	Calculated Property
Pvap	6.26	kPa	249.11	Calculated Property
Pvap	12.02	kPa	261.14	Calculated Property
Pvap	21.64	kPa	273.17	Calculated Property
Pvap	36.84	kPa	285.19	Calculated Property
Pvap	59.77	kPa	297.22	Calculated Property
Pvap	93.00	kPa	309.25	Calculated Property
Pvap	139.52	kPa	321.28	Calculated Property
Pvap	202.65	kPa	333.31	Calculated Property
Pvap	[1.99e-05; 3324.53]	kPa	[139.39; 470.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = exp(A + B/T + C·ln(T) + D·T^E) Y is Pvap in kPa, T in K
Coefficient A			7.53249e+01
Coefficient B			-5.59050e+03
Coefficient C			-9.36666e+00
Coefficient D			1.04545e-05
Coefficient E			2.00000e+00
Temperature range, min.			139.39
Temperature range, max.			470.00
Pvap	1.99e-05	kPa	139.39	Calculated Property
Pvap	0.01	kPa	176.12	Calculated Property
Pvap	0.51	kPa	212.86	Calculated Property
Pvap	6.52	kPa	249.59	Calculated Property
Pvap	39.20	kPa	286.33	Calculated Property
Pvap	147.26	kPa	323.06	Calculated Property
Pvap	408.51	kPa	359.80	Calculated Property
Pvap	926.87	kPa	396.53	Calculated Property
Pvap	1837.17	kPa	433.27	Calculated Property
Pvap	3324.53	kPa	470.00	Calculated Property
Pvap	[2.09e-05; 3445.97]	kPa	[139.39; 471.00]	KDB Vapor Pressure Data
Equation			ln(Y) = A + B/T + C·ln(T) + D·T² + E/T² Y is Pvap in kPa, T in K
Coefficient A			7.56700e+01
Coefficient B			-5.58161e+03
Coefficient C			-9.44186e+00
Coefficient D			1.09937e-05
Coefficient E			0.00000e+00
Temperature range, min.			139.39
Temperature range, max.			471.00
Pvap	2.09e-05	kPa	139.39	Calculated Property
Pvap	0.01	kPa	176.24	Calculated Property
Pvap	0.52	kPa	213.08	Calculated Property
Pvap	6.64	kPa	249.93	Calculated Property
Pvap	39.72	kPa	286.77	Calculated Property
Pvap	149.00	kPa	323.62	Calculated Property
Pvap	414.04	kPa	360.46	Calculated Property
Pvap	943.88	kPa	397.31	Calculated Property
Pvap	1885.03	kPa	434.15	Calculated Property
Pvap	3445.97	kPa	471.00	Calculated Property
Pvap	[25.01; 270.16]	kPa	[276.19; 343.74]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.39244e+01
Coefficient B			-2.52966e+03
Coefficient C			-3.98890e+01
Reference			Scott, Waddington, et al., 1949
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			276.19
Temperature range, max.			343.74
Pvap	25.01	kPa	276.19	Calculated Property
Pvap	34.77	kPa	283.70	Calculated Property
Pvap	47.40	kPa	291.20	Calculated Property
Pvap	63.46	kPa	298.71	Calculated Property
Pvap	83.59	kPa	306.21	Calculated Property
Pvap	108.44	kPa	313.72	Calculated Property
Pvap	138.75	kPa	321.22	Calculated Property
Pvap	175.27	kPa	328.73	Calculated Property
Pvap	218.80	kPa	336.23	Calculated Property
Pvap	270.16	kPa	343.74	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[786.44; 240.43]	kg/m3	[139.39; 470.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A / B^(1 + (1 − T/C)^D) Y is ρl in kg/m3, T in K
Coefficient A			6.56605e+01
Coefficient B			2.73100e-01
Coefficient C			4.70000e+02
Coefficient D			2.58490e-01
Temperature range, min.			139.39
Temperature range, max.			470.00
ρl	786.44	kg/m3	139.39	Calculated Property
ρl	758.98	kg/m3	176.12	Calculated Property
ρl	729.95	kg/m3	212.86	Calculated Property
ρl	698.96	kg/m3	249.59	Calculated Property
ρl	665.45	kg/m3	286.33	Calculated Property
ρl	628.54	kg/m3	323.06	Calculated Property
ρl	586.71	kg/m3	359.80	Calculated Property
ρl	536.88	kg/m3	396.53	Calculated Property
ρl	470.59	kg/m3	433.27	Calculated Property
ρl	240.43	kg/m3	470.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.04; 0.01]	N/m	[139.35; 311.75]	Jasper (1972), surface tension of pure liquid compounds Compiled value
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is γ in N/m, T in K
Coefficient A			5.44174e-02
Coefficient B			-1.27100e-04
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			139.35
Temperature range, max.			311.75
γ	0.04	N/m	139.35	Calculated Property
γ	0.03	N/m	158.51	Calculated Property
γ	0.03	N/m	177.66	Calculated Property
γ	0.03	N/m	196.82	Calculated Property
γ	0.03	N/m	215.97	Calculated Property
γ	0.02	N/m	235.13	Calculated Property
γ	0.02	N/m	254.28	Calculated Property
γ	0.02	N/m	273.44	Calculated Property
γ	0.02	N/m	292.59	Calculated Property
γ	0.01	N/m	311.75	Calculated Property
γ	[0.04; 7.87e-06]	N/m	[139.39; 467.02]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is γ in N/m, T in K
Coefficient A			-1.13700e-02
Coefficient B			3.57570e+01
Coefficient C			-3.26050e+00
Coefficient D			9.44630e-04
Coefficient E			-7.94690e-06
Comment			Range stopped where the equation turns negative; ChemSep gives it to 470 K.
Temperature range, min.			139.39
Temperature range, max.			467.02
γ	0.04	N/m	139.39	Calculated Property
γ	0.03	N/m	175.79	Calculated Property
γ	0.03	N/m	212.20	Calculated Property
γ	0.02	N/m	248.60	Calculated Property
γ	0.02	N/m	285.01	Calculated Property
γ	0.01	N/m	321.41	Calculated Property
γ	0.01	N/m	357.81	Calculated Property
γ	0.01	N/m	394.22	Calculated Property
γ	0.00	N/m	430.62	Calculated Property
γ	7.87e-06	N/m	467.02	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.00; 0.10]	W/m×K	[139.39; 1000.00]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A·T^B / (1 + C/T + D/T²) Y is λgas in W/m×K, T in K
Coefficient A			2.08060e-04
Coefficient B			9.22650e-01
Coefficient C			1.07340e+02
Coefficient D			1.75680e+05
Temperature range, min.			139.39
Temperature range, max.			1000.00
λgas	0.00	W/m×K	139.39	Calculated Property
λgas	0.01	W/m×K	235.01	Calculated Property
λgas	0.01	W/m×K	330.64	Calculated Property
λgas	0.03	W/m×K	426.26	Calculated Property
λgas	0.04	W/m×K	521.88	Calculated Property
λgas	0.05	W/m×K	617.51	Calculated Property
λgas	0.06	W/m×K	713.13	Calculated Property
λgas	0.07	W/m×K	808.75	Calculated Property
λgas	0.08	W/m×K	904.38	Calculated Property
λgas	0.10	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λliquid	[0.16; 0.11]	W/m×K	[139.39; 311.70]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + exp(B/T + C + D·T + E·T²) Y is λliquid in W/m×K, T in K
Coefficient A			-5.08470e-02
Coefficient B			3.05320e+00
Coefficient C			-1.47240e+00
Coefficient D			-6.37040e-04
Coefficient E			-2.01210e-06
Temperature range, min.			139.39
Temperature range, max.			311.70
λliquid	0.16	W/m×K	139.39	Calculated Property
λliquid	0.15	W/m×K	158.54	Calculated Property
λliquid	0.14	W/m×K	177.68	Calculated Property
λliquid	0.14	W/m×K	196.83	Calculated Property
λliquid	0.13	W/m×K	215.97	Calculated Property
λliquid	0.13	W/m×K	235.12	Calculated Property
λliquid	0.12	W/m×K	254.26	Calculated Property
λliquid	0.12	W/m×K	273.41	Calculated Property
λliquid	0.11	W/m×K	292.55	Calculated Property
λliquid	0.11	W/m×K	311.70	Calculated Property

Similar Compounds

Find more compounds similar to 2-Butene, 2-methyl-.

Mixtures

• 2-Butene, 2-methyl- + Butane, 2-methyl-
• 2-Butene, 2-methyl- + Cyclopentane
• Isoprene + 2-Butene, 2-methyl-

Sources

• KDB Vapor Pressure Data
• Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) ChEDL chemicals 1.5.2, from Bradley, J.-C.; Williams, A.; Lang, A. Jean-Claude Bradley Open Melting Point Dataset. Figshare, 2014 (CC0).
• Hankinson and Thomson (1979), COSTALD parameters ChEDL chemicals 1.5.2, from Hankinson, R. W.; Thomson, G. H. A New Correlation for Saturated Densities of Liquids and Their Mixtures. AIChE J. 1979, 25, 653-663.
• IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 ChEDL chemicals 1.5.2, from Tsonopoulos, C.; Ambrose, D. Vapor-Liquid Critical Properties of Elements and Compounds. 6. Unsaturated Aliphatic Hydrocarbons. J. Chem. Eng. Data 1996, 41, 645-656.
• Jasper (1972), surface tension of pure liquid compounds ChEDL chemicals 1.5.2, from Jasper, J. J. The Surface Tension of Pure Liquid Compounds. J. Phys. Chem. Ref. Data 1972, 1, 841-1010 (as transcribed in Lange's Handbook).
• Passut and Danner (1973), critical constants and acentric factors ChEDL chemicals 1.5.2, from Passut, C. A.; Danner, R. P. Acentric Factor. A Valuable Correlating Parameter for the Properties of Hydrocarbons. Ind. Eng. Chem. Process Des. Dev. 1973, 12, 365-368.
• PSRK revision IV (2005), critical constants and acentric factors of 1000 components ChEDL chemicals 1.5.2, from Horstmann, S.; Jabłoniec, A.; Krafczyk, J.; Fischer, K.; Gmehling, J. PSRK Group Contribution Equation of State: Comprehensive Revision and Extension IV, Including Critical Constants and α-Function Parameters for 1000 Components. Fluid Phase Equilib. 2005, 227, 157-164.
• Staveley, Lobo and Calado (1981), triple points ChEDL chemicals 1.5.2, from Staveley, L. A. K.; Lobo, L. Q.; Calado, J. C. G. Triple-Points of Low Melting Substances and Their Use in Cryogenic Work. Cryogenics 1981, 21, 131-144.
• ChemSep v8.3 pure component data Converted from ChemSep v8.3 pure component data, H. Kooijman and R. Taylor (2021, 2022), Artistic License 2.0; see how the values differ.
• Crippen Method
• Isobaric Vapor Liquid Equilibrium for Nine Binary Systems of Cracking C5 Fraction at 250 kPa
• Vapor Pressures and Vapor Liquid Critical Properties of Four Pentene Isomers
• Thermochemistry of Branched Ethers: Experimental Study of Chemical Equilibrium in the Reacting System of tert-Amyl Alkyl Ether Synthesis
• Thermochemistry of Benzyl Alcohol: Reaction Equilibria Involving Benzyl Alcohol and tert-Alkyl Ethers
• Joback Method
• KDB
• Aqueous Solubility Prediction Method
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure
• Zabransky, M., Ruzicka, V., Majer, V. and Domalski, E. (1997), Heat Capacity of Liquids: Critical Review and Recommended Values - Monograph No. 6, J. Phys. & Chem. Ref. Data (JPCRD), National Institute of Standards and Technology, Gaithersburg, MD

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