Chemical Properties of Pentadecane (CAS 629-62-9)

InChI

InChI=1S/C15H32/c1-3-5-7-9-11-13-15-14-12-10-8-6-4-2/h3-15H2,1-2H3

InChI Key

YCOZIPAWZNQLMR-UHFFFAOYSA-N

Formula

C15H32

SMILES

CCCCCCCCCCCCCCC

Molecular Weight¹

212.41

CAS

629-62-9

Other Names

• CH3(CH2)13CH3
• n-Pentadecane

• ω : Acentric Factor.
• 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).
• η : Dynamic viscosity (Pa×s).
• Δ_fG° : Standard Gibbs free energy of formation (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_subH° : Enthalpy of sublimation at standard conditions (kJ/mol).
• Δ_vapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
• Δ_vapH : Enthalpy of vaporization at a given temperature (kJ/mol).
• log₁₀WS : Log10 of Water solubility in mol/l.
• logP_oct/wat : Octanol/Water partition coefficient.
• McVol : McGowan's characteristic volume (ml/mol).
• P_c : Critical Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• n₀ : Refractive Index.
• ρ_c : Critical density (kg/m³).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• S°_gas : Molar entropy at standard conditions (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_boilr : Boiling point at reduced pressure (K).
• T_c : Critical Temperature (K).
• λ : Liquid thermal conductivity (W/m×K).
• T_fus : Normal melting (fusion) point (K).
• T_fus : Melting point (K).
• T_triple : Triple Point Temperature (K).
• V_c : Critical Volume (m³/kmol).
• Z_c : Critical Compressibility.
• ¹: Molecular weight from the IUPAC atomic weights tables.

Physical Properties

Property	Value	Unit	Source
ω	0.7060		KDB
ΔcH°liquid	-10047.30 ± 1.80	kJ/mol	NIST
ΔfG°	75.28	kJ/mol	KDB
ΔfH°gas	[-354.80; -353.00]	kJ/mol
ΔfH°gas	-353.00	kJ/mol	KDB
ΔfH°gas	-354.80 ± 2.00	kJ/mol	NIST
ΔfH°liquid	-428.80 ± 2.00	kJ/mol	NIST
ΔfusH°	34.61	kJ/mol	Joback Calculated Property
ΔsubH°	107.80	kJ/mol	NIST
ΔvapH°	48.98	kJ/mol	Joback Calculated Property
log10WS	-6.10		Crippen Calculated Property
logPoct/wat	6.098		Crippen Calculated Property
McVol	222.210	ml/mol	McGowan Calculated Property
Pc	[1479.00; 1500.00]	kPa
Pc	1480.00	kPa	KDB
Pc	1500.00 ± 200.00	kPa	NIST
Pc	1479.00 ± 0.02	kPa	NIST
ρc	[212.41; 220.91]	kg/m3
ρc	212.41 ± 42.48	kg/m3	NIST
ρc	220.91 ± 0.64	kg/m3	NIST
Inp	[252.61; 264.60]
Inp	252.61		NIST
Inp	256.12		NIST
Inp	264.60		NIST
S°gas	738.94	J/mol×K	NIST
S°liquid	587.52	J/mol×K	NIST
Tboil	[510.00; 549.55]	K
Tboil	543.70	K	KDB
Tboil	543.80	K	NIST
Tboil	541.15 ± 0.60	K	NIST
Tboil	549.55 ± 4.00	K	NIST
Tboil	544.00 ± 3.00	K	NIST
Tboil	546.20 ± 2.00	K	NIST
Tboil	537.70 ± 4.00	K	NIST
Tboil	Outlier 510.00 ± 6.00	K	NIST
Tboil	530.00 ± 3.00	K	NIST
Tboil	530.00 ± 3.00	K	NIST
Tc	708.00	K	KDB
Tfus	[281.00; 287.15]	K
Tfus	283.00	K	KDB
Tfus	283.05 ± 0.50	K	NIST
Tfus	283.10 ± 0.50	K	NIST
Tfus	282.25 ± 0.50	K	NIST
Tfus	283.06 ± 0.02	K	NIST
Tfus	283.06 ± 0.02	K	NIST
Tfus	283.08 ± 0.01	K	NIST
Tfus	Outlier 287.15 ± 3.00	K	NIST
Tfus	282.30 ± 0.60	K	NIST
Tfus	282.96 ± 0.08	K	NIST
Tfus	283.02 ± 0.04	K	NIST
Tfus	282.96 ± 0.20	K	NIST
Tfus	283.06 ± 0.05	K	NIST
Tfus	283.06 ± 0.04	K	NIST
Tfus	283.08 ± 0.03	K	NIST
Tfus	282.90 ± 0.50	K	NIST
Tfus	283.10 ± 0.40	K	NIST
Tfus	283.10 ± 0.40	K	NIST
Tfus	Outlier 281.00 ± 4.00	K	NIST
Tfus	281.70 ± 2.00	K	NIST
Tfus	283.00 ± 2.00	K	NIST
Tfus	283.00 ± 2.00	K	NIST
Tfus	282.90 ± 1.00	K	NIST
Tfus	283.00 ± 3.00	K	NIST
Tfus	283.00 ± 3.00	K	NIST
Ttriple	[283.09; 283.10]	K
Ttriple	283.10 ± 0.05	K	NIST
Ttriple	283.10 ± 0.02	K	NIST
Ttriple	283.10 ± 0.20	K	NIST
Ttriple	283.09 ± 0.20	K	NIST
Vc	[0.966; 0.966]	m3/kmol
Vc	0.966	m3/kmol	KDB
Vc	0.966	m3/kmol	NIST
Zc	0.2428670		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[558.03; 659.59]	J/mol×K	[542.60; 701.68]
T(K) Ideal gas heat capacity (J/mol×K) 560 580 600 620 640 660 550 600 650 700
Cp,gas	558.03	J/mol×K	542.60	Joback Calculated Property
Cp,gas	576.68	J/mol×K	569.11	Joback Calculated Property
Cp,gas	594.61	J/mol×K	595.63	Joback Calculated Property
Cp,gas	611.85	J/mol×K	622.14	Joback Calculated Property
Cp,gas	628.41	J/mol×K	648.65	Joback Calculated Property
Cp,gas	644.32	J/mol×K	675.16	Joback Calculated Property
Cp,gas	659.59	J/mol×K	701.68	Joback Calculated Property
Cp,liquid	[467.81; 470.48]	J/mol×K	[298.15; 298.15]
Cp,liquid	470.48	J/mol×K	298.15	NIST
Cp,liquid	468.81	J/mol×K	298.15	NIST
Cp,liquid	467.81	J/mol×K	298.15	NIST
Cp,liquid	469.95	J/mol×K	298.15	NIST
η	[0.0001677; 0.0054526]	Pa×s	[258.81; 542.60]
T(K) Dynamic viscosity (Pa×s) 0 1.00e-3 2.00e-3 3.00e-3 4.00e-3 5.00e-3 300 400 500
η	0.0054526	Pa×s	258.81	Joback Calculated Property
η	0.0019494	Pa×s	306.11	Joback Calculated Property
η	0.0009178	Pa×s	353.41	Joback Calculated Property
η	0.0005163	Pa×s	400.71	Joback Calculated Property
η	0.0003279	Pa×s	448.00	Joback Calculated Property
η	0.0002271	Pa×s	495.30	Joback Calculated Property
η	0.0001677	Pa×s	542.60	Joback Calculated Property
ΔfusH	[9.17; 34.60]	kJ/mol	[270.90; 283.10]
ΔfusH	9.17	kJ/mol	270.90	NIST
ΔfusH	34.20	kJ/mol	282.70	NIST
ΔfusH	34.60	kJ/mol	283.10	NIST
ΔfusH	34.60	kJ/mol	283.10	NIST
ΔvapH	[49.45; 72.90]	kJ/mol	[333.00; 543.60]
T(K) Enthalpy of vaporization at a given temperature (kJ/mol) 50 55 60 65 70 75 350 400 450 500
ΔvapH	72.20 ± 1.20	kJ/mol	333.00	NIST
ΔvapH	72.90	kJ/mol	334.00	NIST
ΔvapH	71.80	kJ/mol	344.00	NIST
ΔvapH	70.80	kJ/mol	353.00	NIST
ΔvapH	66.40	kJ/mol	371.00	NIST
ΔvapH	68.80	kJ/mol	373.00	NIST
ΔvapH	67.50	kJ/mol	387.50	NIST
ΔvapH	61.90	kJ/mol	447.00	NIST
ΔvapH	59.60	kJ/mol	496.50	NIST
ΔvapH	49.45	kJ/mol	543.60	KDB
n0	1.42120		318.15	Thermod...
ρl	769.00	kg/m3	293.00	KDB
ΔfusS	[33.85; 122.17]	J/mol×K	[270.90; 283.10]
ΔfusS	33.85	J/mol×K	270.90	NIST
ΔfusS	122.17	J/mol×K	283.10	NIST
γ	0.03	N/m	293.20	KDB

Pressure Dependent Properties

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	409.20	K	1.30	NIST
Tfus	[283.20; 303.90]	K	[100.00; 100000.00]
P(kPa) Melting point (K) 285 290 295 300 305 0 50000 100000
Tfus	283.20	K	100.00	Liquid ...
Tfus	287.80	K	20000.00	Liquid ...
Tfus	291.90	K	40000.00	Liquid ...
Tfus	296.20	K	60000.00	Liquid ...
Tfus	300.10	K	80000.00	Liquid ...
Tfus	303.90	K	100000.00	Liquid ...

Datasets

Thermal conductivity, W/m/K

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Thermal conductivity, W/m/K - Liquid
318.45	21080.00	0.1432
318.40	21080.00	0.1429
318.42	21080.00	0.1432
318.36	15320.00	0.1419
318.44	15320.00	0.1408
318.44	15320.00	0.1415
318.54	10340.00	0.1390
318.56	10340.00	0.1394
318.50	10340.00	0.1403
318.49	5220.00	0.1386
318.59	5220.00	0.1377
318.52	5220.00	0.1382
318.28	1420.00	0.1369
318.31	1420.00	0.1380
318.40	1420.00	0.1376
336.96	20240.00	0.1393
337.10	20240.00	0.1399
337.13	20240.00	0.1401
337.02	15360.00	0.1403
337.20	15360.00	0.1372
337.14	15360.00	0.1368
337.25	10510.00	0.1368
337.28	10510.00	0.1356
337.04	5660.00	0.1338
337.09	5660.00	0.1353
337.14	5660.00	0.1361
337.22	1270.00	0.1320
337.24	1270.00	0.1338
337.18	1270.00	0.1332
356.75	20580.00	0.1355
356.79	20580.00	0.1377
356.90	20580.00	0.1346
356.74	15190.00	0.1321
356.83	15190.00	0.1341
356.80	15190.00	0.1320
356.68	10160.00	0.1329
356.72	10160.00	0.1314
356.71	10160.00	0.1307
356.45	5190.00	0.1334
356.57	5190.00	0.1301
356.61	5190.00	0.1310
356.75	1040.00	0.1300
356.70	1040.00	0.1284
356.70	1040.00	0.1284
377.61	20480.00	0.1326
377.60	20480.00	0.1304
377.52	20480.00	0.1310
377.70	15010.00	0.1284
377.73	15010.00	0.1274
377.62	15010.00	0.1288
377.40	10240.00	0.1302
377.33	10240.00	0.1296
377.46	10240.00	0.1284
377.39	5560.00	0.1272
377.30	5560.00	0.1275
377.31	5560.00	0.1262
377.44	1420.00	0.1248
377.53	1420.00	0.1234
377.60	1420.00	0.1238
396.74	20460.00	0.1297
396.83	20460.00	0.1291
397.07	20460.00	0.1276
397.32	15100.00	0.1242
397.31	15080.00	0.1229
397.22	15080.00	0.1248
397.22	10360.00	0.1224
397.24	10360.00	0.1252
397.38	10410.00	0.1225
397.44	5360.00	0.1209
397.57	5360.00	0.1176
397.52	5360.00	0.1202
397.42	1330.00	0.1182
397.47	1330.00	0.1188
397.49	1330.00	0.1165
417.13	20250.00	0.1228
417.30	20250.00	0.1195
417.16	15230.00	0.1204
417.26	15230.00	0.1223
417.19	15230.00	0.1227
417.27	10550.00	0.1227
417.47	10430.00	0.1185
417.50	10430.00	0.1178
417.11	5290.00	0.1210
417.37	1130.00	0.1150
417.36	1130.00	0.1134
417.48	1130.00	0.1123
436.78	20320.00	0.1187
436.73	20320.00	0.1172
437.06	15070.00	0.1143
437.08	15070.00	0.1135
437.10	15070.00	0.1133
437.12	10470.00	0.1112
436.98	10580.00	0.1145
436.90	10760.00	0.1134
436.95	5250.00	0.1110
437.14	5250.00	0.1103
437.10	5250.00	0.1106
437.06	1280.00	0.1105
437.11	1280.00	0.1079
437.25	1280.00	0.1089
456.52	20460.00	0.1176
456.48	20550.00	0.1176
456.66	20460.00	0.1130
456.86	15300.00	0.1132
456.90	15300.00	0.1124
456.94	15300.00	0.1116
457.03	10370.00	0.1096
457.37	10270.00	0.1084
457.33	10250.00	0.1104
457.18	5400.00	0.1082
457.40	5440.00	0.1059
457.32	5440.00	0.1063
457.03	1550.00	0.1063
457.04	1560.00	0.1059
457.02	1540.00	0.1032
476.68	20310.00	0.1140
477.06	20970.00	0.1128
476.90	20850.00	0.1106
476.72	15160.00	0.1061
477.00	15160.00	0.1082
476.95	15160.00	0.1094
476.97	10330.00	0.1092
477.29	10330.00	0.1023
477.30	10330.00	0.1044
477.30	5120.00	0.1024
477.32	5120.00	0.1031
477.24	5120.00	0.1033
477.33	1080.00	0.0988
477.29	1080.00	0.0998
477.61	1080.00	0.1038
496.62	20420.00	0.1110
496.95	20420.00	0.1039
496.90	20420.00	0.1069
496.97	15010.00	0.1021
496.96	15010.00	0.1033
496.97	15010.00	0.1050
497.04	10470.00	0.1024
496.94	10500.00	0.1020
497.00	10530.00	0.1008
497.15	5430.00	0.0965
496.95	5430.00	0.0983
497.10	5410.00	0.0981
516.84	20110.00	0.0998
516.89	20110.00	0.1031
517.00	20100.00	0.1021
517.03	15180.00	0.0990
516.81	15180.00	0.1040
517.00	15180.00	0.0984
517.12	5490.00	0.0948
517.19	5490.00	0.0940
517.20	5490.00	0.0941
536.59	20650.00	0.1039
536.59	20650.00	0.1025
536.85	20650.00	0.0995
536.99	15650.00	0.1001
537.13	15650.00	0.0975
537.14	10120.00	0.0972
537.39	5310.00	0.0872
556.90	20180.00	0.0999
557.06	20180.00	0.0980
557.00	20180.00	0.0986
556.82	15300.00	0.1002
557.14	15300.00	0.0924
557.12	15300.00	0.0941
556.93	10380.00	0.0967
557.05	10380.00	0.0943
556.55	5420.00	0.0851
576.55	20450.00	0.0998
577.06	20450.00	0.0928
576.95	20450.00	0.0961
577.12	15190.00	0.0924
577.08	15190.00	0.0923
577.15	15190.00	0.0900
577.16	10320.00	0.0907
577.01	10240.00	0.0944
577.12	10300.00	0.0889
577.10	5140.00	0.0897
577.17	5140.00	0.0888
577.25	5140.00	0.0876
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[409.68; 571.57]	The Yaw...
Equation			ln(Pvp) = A + B/(T + C)
Coefficient A			1.50926e+01
Coefficient B			-4.66658e+03
Coefficient C			-9.44730e+01
Temperature range, min.			409.68
Temperature range, max.			571.57
T(K) Vapor pressure (kPa) 0 50 100 150 200 450 500 550
Pvap	1.33	kPa	409.68	Calculated Property
Pvap	2.97	kPa	427.67	Calculated Property
Pvap	6.08	kPa	445.66	Calculated Property
Pvap	11.61	kPa	463.64	Calculated Property
Pvap	20.89	kPa	481.63	Calculated Property
Pvap	35.67	kPa	499.62	Calculated Property
Pvap	58.21	kPa	517.61	Calculated Property
Pvap	91.26	kPa	535.59	Calculated Property
Pvap	138.13	kPa	553.58	Calculated Property
Pvap	202.64	kPa	571.57	Calculated Property
Pvap	[7.95e-05; 1540.98]	kPa	[283.10; 706.80]	KDB Vap...
Equation			ln(Pvp) = A + B/T + C*ln(T) + D*T^2
Coefficient A			1.87806e+02
Coefficient B			-1.64631e+04
Coefficient C			-2.47923e+01
Coefficient D			1.09741e-05
Temperature range, min.			283.10
Temperature range, max.			706.80
T(K) Vapor pressure (kPa) 0 200 400 600 800 1000 1200 1400 1600 400 600
Pvap	7.95e-05	kPa	283.10	Calculated Property
Pvap	9.61e-03	kPa	330.18	Calculated Property
Pvap	0.26	kPa	377.26	Calculated Property
Pvap	2.66	kPa	424.33	Calculated Property
Pvap	14.99	kPa	471.41	Calculated Property
Pvap	56.25	kPa	518.49	Calculated Property
Pvap	160.49	kPa	565.57	Calculated Property
Pvap	380.49	kPa	612.64	Calculated Property
Pvap	797.07	kPa	659.72	Calculated Property
Pvap	1540.98	kPa	706.80	Calculated Property

Similar Compounds

Find more compounds similar to Pentadecane.

Mixtures

• Pentadecane + Tetradecane
• Carbon dioxide + Pentadecane
• Pentadecane + Acetic acid, methyl ester
• Pentadecane + Ethyl Acetate
• Pentadecane + n-Propyl acetate
• Pentadecane + Acetic acid, butyl ester
• Acetic acid, pentyl ester + Pentadecane
• Pentadecane + Methyl propionate
• Propanoic acid, ethyl ester + Pentadecane
• Propanoic acid, propyl ester + Pentadecane
• Propanoic acid, butyl ester + Pentadecane
• Pentadecane + Propanoic acid, pentyl ester
• Acetonitrile + Pentadecane
• Pentadecane + Methyl tetradecanoate
• Nitrogen + Carbon dioxide + Pentadecane
• Carbon dioxide + Ethanol + Pentadecane

Sources

• KDB Vapor Pressure Data
• Crippen Method
• Crippen Method
• Thermal Conductivity of n-Pentadecane (C15H32)
• Liquid solid equilibria under high pressure of tetradecane + pentadecane and tetradecane + hexadecane binary systems
• Density, viscosity and solubility of carbon dioxide in glymes
• Determination and correlation of liquid-liquid equilibria for nine binary acetonitrile + n-alkane systems
• Isobaric vapor-liquid equilibrium for the three binary systems of C14 - C16 n-alkane + methyl myristate at 5.00 kPa
• Measurement and correlation of the interfacial tension for paraffin + CO2 and (CO2+N2) mixture gas at elevated temperatures and pressures
• Thermodynamic properties of (an ester + an alkane). XVI. Experimental HEm and V Em values and a new correlation method for (an alkyl ethanoate + an n-alkane) at 318.15 K
• Thermodynamic properties of (an ester + and alkane). XVII. Experimental He and Ve values for (an alkyl propanoate + an alkane) at 318.15K
• Experiment and correlation of the equilibrium interfacial tension for paraffin + CO2 modified with ethanol
• Interfacial Tension Measurement and Calculation of (Carbon Dioxide + n-Alkane) Binary Mixtures
• Measurement and Correlation of High Pressure Phase Equilibria for CO2 + Alkanes and CO2 + Crude Oil Systems
• Measurements and Modeling of Volumetric and Phase Behavior of Carbon Dioxide + Higher Alkanes: CO2 + n-Pentadecane at Temperatures 313 to 410 K and Pressures up to 77 MPa
• Phase Behavior for the Carbon Dioxide + N-Pentadecane Binary System
• Joback Method
• KDB
• 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.