Chemical Properties of Propyne (CAS 74-99-7)

InChI

InChI=1S/C3H4/c1-3-2/h1H,2H3

InChI Key

MWWATHDPGQKSAR-UHFFFAOYSA-N

Formula

C3H4

SMILES

C#CC

Molecular Weight¹

40.06

CAS

74-99-7

Other Names

• 1-Propyne
• Acetylene, methyl-
• Allylene
• CH3C«equiv»CH
• Methylacetylene
• Propine

• ω : Acentric Factor.
• PAff : Proton affinity (kJ/mol).
• BasG : Gas basicity (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).
• 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_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 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.
• NFPA Safety : NFPA Safety 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.
• 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	[0.2140; 0.2180]
ω	0.2180		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω	0.2176		Passut and Danner (1973), critical constants and acentric factors Compiled value
ω	0.2140		ChemSep v8.3 pure component data Compiled value
ω	0.2150		KDB
PAff	748.00	kJ/mol	NIST
BasG	723.00	kJ/mol	NIST
μ	[0.70; 0.78]	debye
μ	0.78	debye	ChemSep v8.3 pure component data Compiled value
μ	0.70	debye	KDB
ΔfG°	[193.84; 194.60]	kJ/mol
ΔfG°	193.84	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfG°	194.60	kJ/mol	KDB
Δc,grossH	1924.64	kJ/mol	KDB
Δc,netH	1832.592	kJ/mol	KDB
ΔfH°gas	[184.90; 185.83]	kJ/mol
ΔfH°gas	185.83 ± 0.37	kJ/mol	Active Thermochemical Tables 1.112, gas-phase enthalpies of formation Compiled value
ΔfH°gas	184.90	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	185.60	kJ/mol	KDB
ΔfH°gas	185.40 ± 0.88	kJ/mol	NIST
ΔfusH°	6.50	kJ/mol	Joback Calculated Property
IE	[10.35; 10.54]	eV
IE	10.36 ± 0.01	eV	NIST
IE	10.37	eV	NIST
IE	10.37 ± 0.01	eV	NIST
IE	10.38 ± 0.01	eV	NIST
IE	10.37 ± 0.02	eV	NIST
IE	10.36 ± 0.01	eV	NIST
IE	10.37	eV	NIST
IE	10.36	eV	NIST
IE	10.37 ± 0.01	eV	NIST
IE	10.37	eV	NIST
IE	10.35 ± 0.01	eV	NIST
IE	10.36 ± 0.02	eV	NIST
IE	10.38 ± 0.02	eV	NIST
IE	10.37 ± 0.01	eV	NIST
IE	Outlier 10.50 ± 0.10	eV	NIST
IE	10.36	eV	NIST
IE	10.36 ± 0.01	eV	NIST
IE	10.37	eV	NIST
IE	Outlier 10.54	eV	NIST
IE	10.36	eV	NIST
log10WS	-0.41		Estimated Solubility
logPoct/wat	0.639		Crippen Calculated Property
McVol	44.530	ml/mol	McGowan Calculated Property
NFPA Fire	4		KDB
NFPA Health	2		KDB
NFPA Safety	2		KDB
Pc	[5623.54; 5630.00]	kPa
Pc	5630.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value
Pc	Outlier 5623.54	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc	5627.50	kPa	Passut and Danner (1973), critical constants and acentric factors Compiled value
Pc	5630.00	kPa	ChemSep v8.3 pure component data Compiled value
Pc	5626.00	kPa	Air Liquide Gas Encyclopedia
Pc	5630.00	kPa	KDB
Pc	5630.00 ± 20.00	kPa	NIST
Pc	5627.59 ± 5.06	kPa	NIST
Ptriple	[0.41; 0.42]	kPa
Ptriple	0.41	kPa	ChemSep v8.3 pure component data Compiled value
Ptriple	0.42	kPa	Air Liquide Gas Encyclopedia
ρc	[244.90; 245.19]	kg/m3
ρc	244.90	kg/m3	Air Liquide Gas Encyclopedia
ρc	245.19 ± 0.80	kg/m3	NIST
ρc	244.91 ± 0.40	kg/m3	NIST
Inp	[297.00; 340.00]
Inp	339.00		NIST
Inp	323.60		NIST
Inp	311.00		NIST
Inp	316.00		NIST
Inp	297.00		NIST
Inp	299.00		NIST
Inp	340.00		NIST
Inp	328.00		NIST
Inp	334.00		NIST
Inp	339.00		NIST
Inp	330.00		NIST
Inp	299.00		NIST
Inp	328.00		NIST
Tboil	[244.70; 250.65]	K
Tboil	250.12	K	ChemSep v8.3 pure component data Compiled value
Tboil	248.00	K	Air Liquide Gas Encyclopedia
Tboil	249.90	K	KDB
Tboil	249.90	K	NIST
Tboil	250.00	K	NIST
Tboil	249.95 ± 1.00	K	NIST
Tboil	249.85 ± 1.00	K	NIST
Tboil	250.45 ± 1.00	K	NIST
Tboil	249.90 ± 0.30	K	NIST
Tboil	249.93 ± 0.30	K	NIST
Tboil	249.93 ± 0.20	K	NIST
Tboil	249.95 ± 0.50	K	NIST
Tboil	249.93 ± 0.20	K	NIST
Tboil	249.93 ± 0.30	K	NIST
Tboil	250.65 ± 1.50	K	NIST
Tboil	249.92 ± 0.10	K	NIST
Tboil	250.00 ± 1.00	K	NIST
Tboil	250.15 ± 1.00	K	NIST
Tboil	249.35 ± 0.50	K	NIST
Tboil	250.15 ± 1.50	K	NIST
Tboil	Outlier 244.70 ± 0.30	K	NIST
Tboil	249.65 ± 0.50	K	NIST
Tc	[401.10; 402.40]	K
Tc	402.40	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value
Tc	402.40	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc	402.39	K	Passut and Danner (1973), critical constants and acentric factors Compiled value
Tc	402.40	K	ChemSep v8.3 pure component data Compiled value
Tc	402.38	K	Air Liquide Gas Encyclopedia
Tc	402.40	K	KDB
Tc	402.40 ± 0.20	K	NIST
Tc	402.38 ± 0.05	K	NIST
Tc	Outlier 401.10 ± 0.50	K	NIST
Tfus	[169.50; 170.49]	K
Tfus	170.45	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	170.45	K	ChemSep v8.3 pure component data Compiled value
Tfus	170.45	K	Air Liquide Gas Encyclopedia
Tfus	170.40	K	KDB
Tfus	170.49 ± 0.30	K	NIST
Tfus	170.21 ± 0.40	K	NIST
Tfus	170.21 ± 0.50	K	NIST
Tfus	Outlier 169.50 ± 0.10	K	NIST
Tfus	170.21 ± 0.30	K	NIST
Tfus	170.41 ± 0.10	K	NIST
Ttriple	[168.50; 170.50]	K
Ttriple	170.45	K	ChemSep v8.3 pure component data Compiled value
Ttriple	170.50	K	Air Liquide Gas Encyclopedia
Ttriple	168.50 ± 0.30	K	NIST
UQi	1.94		ChemSep v8.3 pure component data Compiled value
URi	2.19		ChemSep v8.3 pure component data Compiled value
Vc	[0.163; 0.164]	m3/kmol
Vc	0.163	m3/kmol	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value
Vc	0.164	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc	0.164	m3/kmol	ChemSep v8.3 pure component data Compiled value
Vc	0.164	m3/kmol	KDB
Vc	0.164	m3/kmol	NIST
VCOSTALD	0.16	m3/kmol	Hankinson and Thomson (1979), COSTALD parameters Compiled value
ωSRK	0.22		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zc	[0.2750000; 0.2751260]
Zc	0.2750000		IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 6 Compiled value
Zc	0.2750000		ChemSep v8.3 pure component data Compiled value
Zc	0.2751260		KDB
Zra	[0.27; 0.27]
Zra	0.27		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zra	0.27		ChemSep v8.3 pure component data Compiled value
Zra	0.27		KDB

Cheméo can also estimate Enthalpy of vaporization at standard conditions for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[57.57; 69.12]	J/mol×K	[272.28; 369.21]
Cp,gas	57.57	J/mol×K	272.28	NIST
Cp,gas	61.00	J/mol×K	299.59	NIST
Cp,gas	65.10	J/mol×K	332.83	NIST
Cp,gas	69.12	J/mol×K	369.21	NIST
ΔfusH	6.15	kJ/mol	170.45	Air Liquide Gas Encyclopedia
ΔvapH	[20.80; 25.50]	kJ/mol	[208.50; 380.50]
ΔvapH	23.90	kJ/mol	208.50	NIST
ΔvapH	23.00	kJ/mol	220.00	NIST
ΔvapH	23.40	kJ/mol	222.00	NIST
ΔvapH	21.40	kJ/mol	230.00	NIST
ΔvapH	25.50	kJ/mol	248.00	Air Liquide Gas Encyclopedia
ΔvapH	22.13	kJ/mol	249.80	KDB
ΔvapH	22.10	kJ/mol	275.00	NIST
ΔvapH	23.20	kJ/mol	277.50	NIST
ΔvapH	20.80	kJ/mol	329.50	NIST
ΔvapH	21.20	kJ/mol	332.00	NIST
ΔvapH	21.60	kJ/mol	361.50	NIST
ΔvapH	21.90	kJ/mol	380.50	NIST
ρg	1.73	kg/m3	288.15	Air Liquide Gas Encyclopedia
ρl	[674.38; 706.00]	kg/m3	[223.00; 248.00]
ρl	706.00	kg/m3	223.00	KDB
ρl	674.38	kg/m3	248.00	Air Liquide Gas Encyclopedia
γ	0.02	N/m	203.20	KDB

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[35.12; 131.81]	J/mol×K	[80.00; 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			3.41693e+01
Coefficient B			-3.50762e+02
Coefficient C			4.27967e+00
Coefficient D			6.84714e-04
Coefficient E			-2.18504e-07
Temperature range, min.			80.00
Temperature range, max.			1500.00
Cp,gas	35.12	J/mol×K	80.00	Calculated Property
Cp,gas	53.37	J/mol×K	237.78	Calculated Property
Cp,gas	71.87	J/mol×K	395.56	Calculated Property
Cp,gas	86.51	J/mol×K	553.33	Calculated Property
Cp,gas	98.42	J/mol×K	711.11	Calculated Property
Cp,gas	108.31	J/mol×K	868.89	Calculated Property
Cp,gas	116.49	J/mol×K	1026.67	Calculated Property
Cp,gas	123.11	J/mol×K	1184.44	Calculated Property
Cp,gas	128.21	J/mol×K	1342.22	Calculated Property
Cp,gas	131.81	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[97.70; 102.15]	J/mol×K	[200.00; 249.94]	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			8.52910e+01
Coefficient B			3.85380e+01
Coefficient C			-1.64955e-01
Coefficient D			1.68850e-02
Coefficient E			-2.21610e-05
Temperature range, min.			200.00
Temperature range, max.			249.94
Cp,liquid	97.70	J/mol×K	200.00	Calculated Property
Cp,liquid	98.19	J/mol×K	205.55	Calculated Property
Cp,liquid	98.68	J/mol×K	211.10	Calculated Property
Cp,liquid	99.18	J/mol×K	216.65	Calculated Property
Cp,liquid	99.68	J/mol×K	222.20	Calculated Property
Cp,liquid	100.18	J/mol×K	227.74	Calculated Property
Cp,liquid	100.67	J/mol×K	233.29	Calculated Property
Cp,liquid	101.17	J/mol×K	238.84	Calculated Property
Cp,liquid	101.66	J/mol×K	244.39	Calculated Property
Cp,liquid	102.15	J/mol×K	249.94	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0006020; 0.0000762]	Pa×s	[170.45; 400.00]	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			-9.18910e-01
Coefficient B			2.42440e+02
Coefficient C			-1.54390e+00
Coefficient D			5.01470e-07
Coefficient E			2.00000e+00
Temperature range, min.			170.45
Temperature range, max.			400.00
η	0.0006020	Pa×s	170.45	Calculated Property
η	0.0004053	Pa×s	195.96	Calculated Property
η	0.0002925	Pa×s	221.46	Calculated Property
η	0.0002221	Pa×s	246.97	Calculated Property
η	0.0001752	Pa×s	272.47	Calculated Property
η	0.0001425	Pa×s	297.98	Calculated Property
η	0.0001186	Pa×s	323.48	Calculated Property
η	0.0001008	Pa×s	348.99	Calculated Property
η	0.0000870	Pa×s	374.49	Calculated Property
η	0.0000762	Pa×s	400.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[26.24; 0.00]	kJ/mol	[170.45; 402.40]	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			3.49540e+01
Coefficient B			5.29480e-01
Coefficient C			2.64490e-01
Coefficient D			-8.94340e-01
Coefficient E			5.17400e-01
Critical temperature, Tc (K)			4.02400e+02
Temperature range, min.			170.45
Temperature range, max.			402.40
ΔvapH	26.24	kJ/mol	170.45	Calculated Property
ΔvapH	24.92	kJ/mol	196.22	Calculated Property
ΔvapH	23.59	kJ/mol	221.99	Calculated Property
ΔvapH	22.21	kJ/mol	247.77	Calculated Property
ΔvapH	20.74	kJ/mol	273.54	Calculated Property
ΔvapH	19.09	kJ/mol	299.31	Calculated Property
ΔvapH	17.13	kJ/mol	325.08	Calculated Property
ΔvapH	14.65	kJ/mol	350.86	Calculated Property
ΔvapH	11.09	kJ/mol	376.63	Calculated Property
ΔvapH	0.00	kJ/mol	402.40	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[0.41; 6142.72]	kPa	[170.50; 402.38]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.44642e+01
Coefficient B			-2.12600e+03
Coefficient C			-3.20710e+01
Temperature range, min.			170.50
Temperature range, max.			402.38
Pvap	0.41	kPa	170.50	Calculated Property
Pvap	4.55	kPa	196.26	Calculated Property
Pvap	26.37	kPa	222.03	Calculated Property
Pvap	100.37	kPa	247.79	Calculated Property
Pvap	287.26	kPa	273.56	Calculated Property
Pvap	671.23	kPa	299.32	Calculated Property
Pvap	1350.99	kPa	325.09	Calculated Property
Pvap	2428.43	kPa	350.85	Calculated Property
Pvap	3998.64	kPa	376.62	Calculated Property
Pvap	6142.72	kPa	402.38	Calculated Property
Pvap	[0.41; 5580.98]	kPa	[170.45; 402.40]	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			6.20687e+01
Coefficient B			-4.28595e+03
Coefficient C			-7.41871e+00
Coefficient D			1.05150e-05
Coefficient E			2.00000e+00
Temperature range, min.			170.45
Temperature range, max.			402.40
Pvap	0.41	kPa	170.45	Calculated Property
Pvap	4.33	kPa	196.22	Calculated Property
Pvap	24.52	kPa	221.99	Calculated Property
Pvap	91.87	kPa	247.77	Calculated Property
Pvap	259.13	kPa	273.54	Calculated Property
Pvap	598.08	kPa	299.31	Calculated Property
Pvap	1194.39	kPa	325.08	Calculated Property
Pvap	2145.26	kPa	350.86	Calculated Property
Pvap	3562.48	kPa	376.63	Calculated Property
Pvap	5580.98	kPa	402.40	Calculated Property
Pvap	[0.40; 5585.24]	kPa	[170.45; 402.39]	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			6.57423e+01
Coefficient B			-4.40094e+03
Coefficient C			-8.01385e+00
Coefficient D			1.16420e-05
Coefficient E			0.00000e+00
Temperature range, min.			170.45
Temperature range, max.			402.39
Pvap	0.40	kPa	170.45	Calculated Property
Pvap	4.28	kPa	196.22	Calculated Property
Pvap	24.42	kPa	221.99	Calculated Property
Pvap	91.66	kPa	247.76	Calculated Property
Pvap	258.54	kPa	273.53	Calculated Property
Pvap	596.27	kPa	299.31	Calculated Property
Pvap	1190.09	kPa	325.08	Calculated Property
Pvap	2137.99	kPa	350.85	Calculated Property
Pvap	3555.27	kPa	376.62	Calculated Property
Pvap	5585.24	kPa	402.39	Calculated Property
Pvap	[0.19; 123.95]	kPa	[161.50; 254.27]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.60080e+01
Coefficient B			-2.82325e+03
Coefficient C			-1.92600e+00
Reference			van Hook, 1967
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			161.50
Temperature range, max.			254.27
Pvap	0.19	kPa	161.50	Calculated Property
Pvap	0.54	kPa	171.81	Calculated Property
Pvap	1.40	kPa	182.12	Calculated Property
Pvap	3.28	kPa	192.42	Calculated Property
Pvap	7.02	kPa	202.73	Calculated Property
Pvap	13.94	kPa	213.04	Calculated Property
Pvap	25.98	kPa	223.35	Calculated Property
Pvap	45.81	kPa	233.65	Calculated Property
Pvap	76.97	kPa	243.96	Calculated Property
Pvap	123.95	kPa	254.27	Calculated Property
Pvap	[101.86; 5043.28]	kPa	[249.90; 398.00]	NIST
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.38862e+01
Coefficient B			-1.88440e+03
Coefficient C			-4.64570e+01
Reference			Stull, 1947
Comment			Coefficents calculated by NIST from author's data.
Temperature range, min.			249.90
Temperature range, max.			398.00
Pvap	101.86	kPa	249.90	Calculated Property
Pvap	203.73	kPa	266.36	Calculated Property
Pvap	369.96	kPa	282.81	Calculated Property
Pvap	621.63	kPa	299.27	Calculated Property
Pvap	980.32	kPa	315.72	Calculated Property
Pvap	1466.94	kPa	332.18	Calculated Property
Pvap	2100.83	kPa	348.63	Calculated Property
Pvap	2899.07	kPa	365.09	Calculated Property
Pvap	3876.06	kPa	381.54	Calculated Property
Pvap	5043.28	kPa	398.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[762.37; 242.91]	kg/m3	[170.45; 402.40]	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			6.40341e+01
Coefficient B			2.63610e-01
Coefficient C			4.02400e+02
Coefficient D			2.78350e-01
Temperature range, min.			170.45
Temperature range, max.			402.40
ρl	762.37	kg/m3	170.45	Calculated Property
ρl	734.76	kg/m3	196.22	Calculated Property
ρl	705.68	kg/m3	221.99	Calculated Property
ρl	674.77	kg/m3	247.77	Calculated Property
ρl	641.50	kg/m3	273.54	Calculated Property
ρl	605.06	kg/m3	299.31	Calculated Property
ρl	564.02	kg/m3	325.08	Calculated Property
ρl	515.53	kg/m3	350.86	Calculated Property
ρl	451.76	kg/m3	376.63	Calculated Property
ρl	242.91	kg/m3	402.40	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.03; 0.02]	N/m	[170.35; 249.95]	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			5.49908e-02
Coefficient B			-1.48200e-04
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			170.35
Temperature range, max.			249.95
γ	0.03	N/m	170.35	Calculated Property
γ	0.03	N/m	179.19	Calculated Property
γ	0.03	N/m	188.04	Calculated Property
γ	0.03	N/m	196.88	Calculated Property
γ	0.02	N/m	205.73	Calculated Property
γ	0.02	N/m	214.57	Calculated Property
γ	0.02	N/m	223.42	Calculated Property
γ	0.02	N/m	232.26	Calculated Property
γ	0.02	N/m	241.11	Calculated Property
γ	0.02	N/m	249.95	Calculated Property
γ	[0.03; 2.34e-05]	N/m	[170.45; 401.24]	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			-1.32770e-02
Coefficient B			7.12140e+01
Coefficient C			-3.67510e+00
Coefficient D			3.48360e-03
Coefficient E			-1.37900e-05
Comment			Range stopped where the equation turns negative; ChemSep gives it to 402.4 K.
Temperature range, min.			170.45
Temperature range, max.			401.24
γ	0.03	N/m	170.45	Calculated Property
γ	0.03	N/m	196.09	Calculated Property
γ	0.03	N/m	221.74	Calculated Property
γ	0.02	N/m	247.38	Calculated Property
γ	0.02	N/m	273.02	Calculated Property
γ	0.01	N/m	298.67	Calculated Property
γ	0.01	N/m	324.31	Calculated Property
γ	0.01	N/m	349.95	Calculated Property
γ	0.00	N/m	375.60	Calculated Property
γ	2.34e-05	N/m	401.24	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.01; 0.10]	W/m×K	[170.45; 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			2.92450e-04
Coefficient B			8.80880e-01
Coefficient C			2.48570e+02
Coefficient D			7.88090e+04
Temperature range, min.			170.45
Temperature range, max.			1000.00
λgas	0.01	W/m×K	170.45	Calculated Property
λgas	0.01	W/m×K	262.62	Calculated Property
λgas	0.02	W/m×K	354.79	Calculated Property
λgas	0.03	W/m×K	446.97	Calculated Property
λgas	0.04	W/m×K	539.14	Calculated Property
λgas	0.05	W/m×K	631.31	Calculated Property
λgas	0.06	W/m×K	723.48	Calculated Property
λgas	0.08	W/m×K	815.66	Calculated Property
λgas	0.09	W/m×K	907.83	Calculated Property
λgas	0.10	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λliquid	[0.17; 0.14]	W/m×K	[170.45; 249.94]	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			6.50250e-02
Coefficient B			-1.21870e+02
Coefficient C			-2.57520e-02
Coefficient D			-9.77230e-03
Coefficient E			4.74520e-06
Temperature range, min.			170.45
Temperature range, max.			249.94
λliquid	0.17	W/m×K	170.45	Calculated Property
λliquid	0.16	W/m×K	179.28	Calculated Property
λliquid	0.16	W/m×K	188.11	Calculated Property
λliquid	0.16	W/m×K	196.95	Calculated Property
λliquid	0.15	W/m×K	205.78	Calculated Property
λliquid	0.15	W/m×K	214.61	Calculated Property
λliquid	0.15	W/m×K	223.44	Calculated Property
λliquid	0.14	W/m×K	232.28	Calculated Property
λliquid	0.14	W/m×K	241.11	Calculated Property
λliquid	0.14	W/m×K	249.94	Calculated Property

Similar Compounds

Find more compounds similar to Propyne.

Sources

• KDB Vapor Pressure Data
• Air Liquide Gas Encyclopedia
• Active Thermochemical Tables 1.112, gas-phase enthalpies of formation ChEDL chemicals 1.5.2, from Active Thermochemical Tables (ATcT), version 1.112, Argonne National Laboratory; Ruscic, B. et al. Active Thermochemical Tables: Thermochemistry for the 21st Century. J. Phys.: Conf. Ser. 2005, 16, 561.
• 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.
• 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
• Joback Method
• KDB
• Estimated Solubility Method
• McGowan Method
• NIST Webbook
• The Yaws Handbook of Vapor Pressure

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