Chemical Properties of Eicosane (CAS 112-95-8)

InChI

InChI=1S/C20H42/c1-3-5-7-9-11-13-15-17-19-20-18-16-14-12-10-8-6-4-2/h3-20H2,1-2H3

InChI Key

CBFCDTFDPHXCNY-UHFFFAOYSA-N

Formula

C20H42

SMILES

CCCCCCCCCCCCCCCCCCCC

Molecular Weight¹

282.56

CAS

112-95-8

Other Names

• icosane
• n-Icosane
• n-eicosane

• 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).
• C_p,solid : Solid 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_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_subH : Enthalpy of sublimation 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.
• P_c : Critical Pressure (kPa).
• P_sub : Sublimation pressure (kPa).
• P_triple : Triple Point Pressure (kPa).
• P_vap : Vapor pressure (kPa).
• ρ_l : Liquid Density (kg/m³).
• I_np : Non-polar retention indices.
• Δ_fusS : Entropy of fusion at a given temperature (J/mol×K).
• γ : Surface Tension (N/m).
• S°_{solid,1 bar} : Solid phase molar entropy at standard conditions (J/mol×K).
• T_boil : Normal Boiling Point Temperature (K).
• T_boilr : Boiling point at reduced pressure (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_fus(P) : Melting 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.

Contents

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

Physical Properties

Property	Value	Unit	Source
ω	[0.8805; 0.9070]
ω	0.8805		PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
ω	0.9065		Passut and Danner (1973), critical constants and acentric factors Compiled value
ω	0.9065		ChemSep v8.3 pure component data Compiled value
ω	0.9070		KDB
ΔcH°liquid	-13316.40 ± 2.80	kJ/mol	NIST
μ	0.00	debye	ChemSep v8.3 pure component data Compiled value
ΔfG°	[115.70; 117.40]	kJ/mol
ΔfG°	115.70	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfG°	117.40	kJ/mol	KDB
ΔfH°gas	[-456.10; -455.76]	kJ/mol
ΔfH°gas	-455.76	kJ/mol	ChemSep v8.3 pure component data Compiled value
ΔfH°gas	-456.10	kJ/mol	KDB
ΔfH°gas	-455.80 ± 3.10	kJ/mol	NIST
ΔfH°liquid	-556.50 ± 3.10	kJ/mol	NIST
ΔfusH°	69.03	kJ/mol	Solid liquid equilibria and purity determination for binary n-alkane + naphthalene systems
ΔsubH°	170.40	kJ/mol	NIST
ΔvapH°	[100.80; 103.50]	kJ/mol
ΔvapH°	102.60 ± 1.00	kJ/mol	NIST
ΔvapH°	102.80 ± 2.20	kJ/mol	NIST
ΔvapH°	101.10 ± 2.00	kJ/mol	NIST
ΔvapH°	103.50	kJ/mol	NIST
ΔvapH°	101.80	kJ/mol	NIST
ΔvapH°	100.80	kJ/mol	NIST
IE	9.89	eV	Relay (1.0) Calculated Property
log10WS	[-8.17; -8.17]
log10WS	-8.17		Aq. Solubility Prediction
log10WS	-8.17		Estimated Solubility
logPoct/wat	8.048		Crippen Calculated Property
McVol	292.660	ml/mol	McGowan Calculated Property
NFPA Fire	1		KDB
Pc	[1070.00; 1160.00]	kPa
Pc	1070.00	kPa	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 2 Compiled value
Pc	1070.00	kPa	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Pc	1116.95	kPa	Passut and Danner (1973), critical constants and acentric factors Compiled value
Pc	Outlier 1160.00	kPa	ChemSep v8.3 pure component data Compiled value
Pc	1070.00	kPa	KDB
Pc	1100.00 ± 200.00	kPa	NIST
Pc	1070.00 ± 40.00	kPa	NIST
Ptriple	9.26e-06	kPa	ChemSep v8.3 pure component data Compiled value
Inp	[327.63; 345.20]
Inp	327.63		NIST
Inp	333.60		NIST
Inp	345.20		NIST
Inp	345.20		NIST
Inp	331.90		NIST
S°solid,1 bar	558.60	J/mol×K	NIST
Tboil	[582.90; 616.95]	K
Tboil	616.95	K	ChemSep v8.3 pure component data Compiled value
Tboil	616.00	K	KDB
Tboil	616.20	K	NIST
Tboil	582.90 ± 5.00	K	NIST
Tc	[767.00; 769.00]	K
Tc	Outlier 769.00	K	Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
Tc	768.00	K	IUPAC Vapor-Liquid Critical Properties of Elements and Compounds, part 2 Compiled value
Tc	767.00	K	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Tc	767.04	K	Passut and Danner (1973), critical constants and acentric factors Compiled value
Tc	767.00	K	ChemSep v8.3 pure component data Compiled value
Tc	768.00	K	KDB
Tc	768.00 ± 8.00	K	NIST
Tc	767.50 ± 3.00	K	NIST
Tfus	[36.20; 581.95]	K
Tfus	309.51	K	Phase diagrams of binary systems containing n-alkanes, or cyclohexane, or 1-alkanols and 2,3-pentanedione at atmospheric and high pressure
Tfus	308.18	K	Solid-liquid equilibria of eicosane, tetracosane or biphenyl + 1- octadecanol, or + 1-eicosanol mixtures
Tfus	308.10	K	Determination of thermophysical properties of cyclopentane hydrate using a stirred calorimetric cell
Tfus	310.05	K	Solid-liquid equilibria of indole binary systems
Tfus	309.90	K	Jean-Claude Bradley Open Melting Point Dataset (2014, CC0) Compiled value
Tfus	309.58	K	ChemSep v8.3 pure component data Compiled value
Tfus	309.90	K	KDB
Tfus	309.77	K	Aq. Solubility Prediction
Tfus	309.80 ± 0.20	K	NIST
Tfus	Outlier 581.95 ± 2.00	K	NIST
Tfus	308.50 ± 0.20	K	NIST
Tfus	309.80 ± 0.20	K	NIST
Tfus	309.75 ± 0.50	K	NIST
Tfus	310.00 ± 3.00	K	NIST
Tfus	309.60 ± 0.50	K	NIST
Tfus	309.90 ± 1.00	K	NIST
Tfus	309.00 ± 5.00	K	NIST
Tfus	309.80 ± 0.30	K	NIST
Tfus	309.80 ± 0.50	K	NIST
Tfus	309.15 ± 1.50	K	NIST
Tfus	309.76 ± 0.15	K	NIST
Tfus	309.50 ± 0.20	K	NIST
Tfus	309.80 ± 0.50	K	NIST
Tfus	310.65 ± 1.00	K	NIST
Tfus	Outlier 36.20 ± 1.00	K	NIST
Tfus	311.00 ± 2.00	K	NIST
Tfus	309.60 ± 0.60	K	NIST
Tfus	308.50 ± 1.50	K	NIST
Tfus	309.60 ± 0.80	K	NIST
Tfus	310.00 ± 2.00	K	NIST
Tfus	309.70 ± 2.00	K	NIST
Tfus	310.00 ± 2.00	K	NIST
Tfus	305.40 ± 3.00	K	NIST
Tfus	311.00 ± 3.00	K	NIST
Tfus	309.60 ± 1.00	K	NIST
Tfus	309.90 ± 2.00	K	NIST
Tfus	Outlier 36.70 ± 2.00	K	NIST
Tfus	309.90 ± 1.00	K	NIST
Ttriple	[309.20; 309.70]	K
Ttriple	309.20	K	Solubilities of Some Long-Chain n-Alkanes in Dipropyl Ether, Dibutyl Ether, 1-Chlorobutane, and 1-Chlorooctane as Functions of Temperature
Ttriple	309.58	K	ChemSep v8.3 pure component data Compiled value
Ttriple	309.64 ± 0.01	K	NIST
Ttriple	309.70 ± 0.20	K	NIST
Ttriple	309.70 ± 0.20	K	NIST
UQi	11.42		ChemSep v8.3 pure component data Compiled value
URi	13.94		ChemSep v8.3 pure component data Compiled value
Vc	[1.156; 1.190]	m3/kmol
Vc	1.156	m3/kmol	PSRK revision IV (2005), critical constants and acentric factors of 1000 components Compiled value
Vc	1.190	m3/kmol	ChemSep v8.3 pure component data Compiled value
VCOSTALD	1.38	m3/kmol	Hankinson and Thomson (1979), COSTALD parameters Compiled value
ωSRK	0.92		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zc	0.2130000		ChemSep v8.3 pure component data Compiled value
Zra	[0.23; 0.23]
Zra	0.23		Hankinson and Thomson (1979), COSTALD parameters Compiled value
Zra	0.23		KDB

Temperature Dependent Properties

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[646.00; 747.00]	J/mol×K	[320.00; 400.00]
Cp,liquid	646.00	J/mol×K	320.00	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
Cp,liquid	664.00	J/mol×K	325.00	NIST
Cp,liquid	659.00	J/mol×K	330.00	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
Cp,liquid	671.00	J/mol×K	340.00	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
Cp,liquid	684.00	J/mol×K	350.00	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
Cp,liquid	697.00	J/mol×K	360.00	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
Cp,liquid	709.00	J/mol×K	370.00	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
Cp,liquid	722.00	J/mol×K	380.00	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
Cp,liquid	735.00	J/mol×K	390.00	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
Cp,liquid	747.00	J/mol×K	400.00	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
Cp,solid	602.50	J/mol×K	279.10	NIST
ΔfusH	[61.48; 70.90]	kJ/mol	[308.50; 310.20]
ΔfusH	70.90	kJ/mol	308.50	NIST
ΔfusH	67.80	kJ/mol	308.80	NIST
ΔfusH	67.80	kJ/mol	308.80	NIST
ΔfusH	69.00	kJ/mol	309.60	NIST
ΔfusH	68.10	kJ/mol	309.70	NIST
ΔfusH	67.80	kJ/mol	309.70	NIST
ΔfusH	61.48	kJ/mol	309.70	NIST
ΔfusH	61.48	kJ/mol	309.70	NIST
ΔfusH	69.87	kJ/mol	309.75	NIST
ΔfusH	69.80	kJ/mol	310.20	NIST
ΔsubH	[172.80; 179.50]	kJ/mol	[305.00; 367.00]
ΔsubH	172.80 ± 3.00	kJ/mol	305.00	NIST
ΔsubH	179.50 ± 2.00	kJ/mol	367.00	NIST
ΔvapH	[57.49; 110.00]	kJ/mol	[298.00; 617.00]
ΔvapH	103.90	kJ/mol	298.00	A Comparison of Results by Correlation Gas Chromatography with Another Gas Chromatographic Retention Time Technique. The Effects of Retention Time Coincidence on Vaporization Enthalpy and Vapor Pressure
ΔvapH	99.50 ± 1.10	kJ/mol	343.00	NIST
ΔvapH	93.30	kJ/mol	362.00	NIST
ΔvapH	110.00 ± 2.00	kJ/mol	367.50	NIST
ΔvapH	79.00	kJ/mol	407.50	NIST
ΔvapH	89.60	kJ/mol	411.50	NIST
ΔvapH	80.78 ± 0.07	kJ/mol	440.00	NIST
ΔvapH	80.80	kJ/mol	506.50	NIST
ΔvapH	68.30	kJ/mol	506.50	NIST
ΔvapH	78.00	kJ/mol	508.00	NIST
ΔvapH	71.10	kJ/mol	574.00	NIST
ΔvapH	57.49	kJ/mol	617.00	KDB
Psub	[1.73e-06; 5.94e-06]	kPa	[302.37; 307.86]
Psub	1.73e-06	kPa	302.37	Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
Psub	3.30e-06	kPa	304.59	Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
Psub	4.59e-06	kPa	306.79	Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
Psub	5.94e-06	kPa	307.86	Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
Pvap	[1.46e-05; 3.87e-04]	kPa	[313.15; 343.15]
Pvap	1.46e-05	kPa	313.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	4.90e-05	kPa	323.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	4.88e-05	kPa	323.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	4.87e-05	kPa	323.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	4.91e-05	kPa	323.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	4.64e-05	kPa	323.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	1.47e-04	kPa	333.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
Pvap	3.87e-04	kPa	343.15	The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
ρl	775.00	kg/m3	313.00	KDB
ΔfusS	[198.50; 229.80]	J/mol×K	[308.50; 309.75]
ΔfusS	229.80	J/mol×K	308.50	NIST
ΔfusS	219.60	J/mol×K	308.80	NIST
ΔfusS	198.50	J/mol×K	309.70	NIST
ΔfusS	198.50	J/mol×K	309.70	NIST
ΔfusS	225.60	J/mol×K	309.75	NIST
γ	[0.03; 0.03]	N/m	[313.15; 343.15]
γ	0.03	N/m	313.15	Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane
γ	0.03	N/m	323.15	Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane
γ	0.03	N/m	323.20	KDB
γ	0.03	N/m	333.15	Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane
γ	0.03	N/m	343.15	Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane

Pressure Dependent Properties

Property	Value	Unit	Pressure (kPa)	Source
Tboilr	493.20	K	4.00	NIST
Tfus(P)	[318.15; 344.91]	K	[33520.00; 150000.00]
Tfus(P)	318.15	K	33520.00	High pressure solid solid and solid liquid transition data for long chain alkanes
Tfus(P)	323.15	K	55080.00	High pressure solid solid and solid liquid transition data for long chain alkanes
Tfus(P)	328.15	K	76800.00	High pressure solid solid and solid liquid transition data for long chain alkanes
Tfus(P)	333.15	K	99090.00	High pressure solid solid and solid liquid transition data for long chain alkanes
Tfus(P)	344.91	K	150000.00	High pressure solid solid and solid liquid transition data for long chain alkanes

Datasets

1. Viscosity, Pa*s (1)
2. Mass density, kg/m3 (1)

Viscosity, Pa*s

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Viscosity, Pa*s - Liquid
325.80	6700.00	0.0032
325.80	6700.00	0.0032
325.80	14400.00	0.0035
325.80	14400.00	0.0035
325.80	21300.00	0.0038
325.80	22300.00	0.0039
325.80	28700.00	0.0043
325.80	35500.00	0.0046
429.30	5500.00	0.0008
429.30	7400.00	0.0009
429.30	21800.00	0.0010
429.30	41800.00	0.0013
429.30	63000.00	0.0015
429.30	63000.00	0.0015
429.30	83000.00	0.0018
429.30	103700.00	0.0020
429.30	125000.00	0.0024
429.30	144500.00	0.0026
429.30	144700.00	0.0026
429.30	167900.00	0.0030
429.30	187900.00	0.0033
429.30	208900.00	0.0037
429.30	228600.00	0.0040
429.30	243100.00	0.0043
533.80	6200.00	0.0003
533.80	22900.00	0.0004
533.80	43300.00	0.0005
533.80	43500.00	0.0005
533.80	63200.00	0.0006
533.80	84300.00	0.0008
533.80	104400.00	0.0009
533.80	125000.00	0.0010
533.80	146100.00	0.0011
533.80	165900.00	0.0012
533.80	187300.00	0.0013
533.80	208200.00	0.0014
533.80	228800.00	0.0016
Reference

Mass density, kg/m3

Fixed		Measured
Temperature, K - Liquid	Pressure, kPa - Liquid	Mass density, kg/m3 - Liquid
323.65	7300.00	771.0
323.65	14900.00	777.0
323.65	21400.00	784.0
323.65	27400.00	787.0
323.65	34200.00	789.0
422.85	7400.00	711.0
422.85	14300.00	719.0
422.85	20600.00	723.0
422.85	27900.00	730.0
422.85	34600.00	735.0
422.85	54200.00	748.0
422.85	81600.00	765.0
422.85	109200.00	781.0
422.85	136100.00	792.0
422.85	169500.00	806.0
422.85	203100.00	818.0
422.85	235500.00	829.0
422.85	260000.00	837.0
522.55	16400.00	661.0
522.55	28300.00	676.0
522.55	41900.00	691.0
522.55	55500.00	706.0
522.55	69600.00	719.0
522.55	82500.00	727.0
522.55	109200.00	744.0
522.55	138200.00	763.0
522.55	173100.00	777.0
522.55	204700.00	791.0
522.55	239800.00	805.0
522.55	258000.00	810.0
Reference

Correlations

Property	Value	Unit	Temperature (K)	Source
Cp,gas	[345.08; 1223.32]	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			2.75645e+02
Coefficient B			-6.03148e+02
Coefficient C			7.25611e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			200.00
Temperature range, max.			1500.00
Cp,gas	345.08	J/mol×K	200.00	Calculated Property
Cp,gas	521.57	J/mol×K	344.44	Calculated Property
Cp,gas	688.21	J/mol×K	488.89	Calculated Property
Cp,gas	822.28	J/mol×K	633.33	Calculated Property
Cp,gas	928.03	J/mol×K	777.78	Calculated Property
Cp,gas	1012.28	J/mol×K	922.22	Calculated Property
Cp,gas	1080.50	J/mol×K	1066.67	Calculated Property
Cp,gas	1136.65	J/mol×K	1211.11	Calculated Property
Cp,gas	1183.58	J/mol×K	1355.56	Calculated Property
Cp,gas	1223.32	J/mol×K	1500.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Cp,liquid	[622.99; 931.54]	J/mol×K	[309.58; 616.93]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,liquid in J/mol×K, T in K
Coefficient A			3.52720e+02
Coefficient B			8.07320e-01
Coefficient C			2.12200e-04
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			309.58
Temperature range, max.			616.93
Cp,liquid	622.99	J/mol×K	309.58	Calculated Property
Cp,liquid	655.29	J/mol×K	343.73	Calculated Property
Cp,liquid	688.09	J/mol×K	377.88	Calculated Property
Cp,liquid	721.38	J/mol×K	412.03	Calculated Property
Cp,liquid	755.17	J/mol×K	446.18	Calculated Property
Cp,liquid	789.46	J/mol×K	480.33	Calculated Property
Cp,liquid	824.24	J/mol×K	514.48	Calculated Property
Cp,liquid	859.51	J/mol×K	548.63	Calculated Property
Cp,liquid	895.28	J/mol×K	582.78	Calculated Property
Cp,liquid	931.54	J/mol×K	616.93	Calculated Property

Property	Value	Unit	Temperature (K)	Source
η	[0.0041052; 0.0001948]	Pa×s	[309.58; 616.93]	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			-1.05557e+01
Coefficient B			1.83038e+03
Coefficient C			-1.48602e-01
Coefficient D			-7.47103e-06
Coefficient E			-7.49069e-06
Temperature range, min.			309.58
Temperature range, max.			616.93
η	0.0041052	Pa×s	309.58	Calculated Property
η	0.0022463	Pa×s	343.73	Calculated Property
η	0.0013689	Pa×s	377.88	Calculated Property
η	0.0009045	Pa×s	412.03	Calculated Property
η	0.0006362	Pa×s	446.18	Calculated Property
η	0.0004701	Pa×s	480.33	Calculated Property
η	0.0003613	Pa×s	514.48	Calculated Property
η	0.0002868	Pa×s	548.63	Calculated Property
η	0.0002338	Pa×s	582.78	Calculated Property
η	0.0001948	Pa×s	616.93	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ΔvapH	[95.89; 0.00]	kJ/mol	[309.58; 767.00]	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			1.28600e+02
Coefficient B			5.03510e-01
Coefficient C			3.29860e-01
Coefficient D			-4.21840e-01
Coefficient E			0.00000e+00
Critical temperature, Tc (K)			7.67000e+02
Comment			Range stopped at Tc; ChemSep gives it to 768 K.
Temperature range, min.			309.58
Temperature range, max.			767.00
ΔvapH	95.89	kJ/mol	309.58	Calculated Property
ΔvapH	89.83	kJ/mol	360.40	Calculated Property
ΔvapH	83.70	kJ/mol	411.23	Calculated Property
ΔvapH	77.49	kJ/mol	462.05	Calculated Property
ΔvapH	71.18	kJ/mol	512.88	Calculated Property
ΔvapH	64.64	kJ/mol	563.70	Calculated Property
ΔvapH	57.62	kJ/mol	614.53	Calculated Property
ΔvapH	49.52	kJ/mol	665.35	Calculated Property
ΔvapH	38.57	kJ/mol	716.18	Calculated Property
ΔvapH	0.00	kJ/mol	767.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
Pvap	[1.33; 202.64]	kPa	[466.39; 653.86]	The Yaws Handbook of Vapor Pressure
Equation			ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K
Coefficient A			1.47405e+01
Coefficient B			-5.08531e+03
Coefficient C			-1.14538e+02
Temperature range, min.			466.39
Temperature range, max.			653.86
Pvap	1.33	kPa	466.39	Calculated Property
Pvap	2.99	kPa	487.22	Calculated Property
Pvap	6.16	kPa	508.05	Calculated Property
Pvap	11.79	kPa	528.88	Calculated Property
Pvap	21.22	kPa	549.71	Calculated Property
Pvap	36.18	kPa	570.54	Calculated Property
Pvap	58.89	kPa	591.37	Calculated Property
Pvap	92.03	kPa	612.20	Calculated Property
Pvap	138.75	kPa	633.03	Calculated Property
Pvap	202.64	kPa	653.86	Calculated Property
Pvap	[1.05e-05; 1098.71]	kPa	[309.58; 767.00]	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			1.57783e+02
Coefficient B			-1.75039e+04
Coefficient C			-1.97420e+01
Coefficient D			5.39921e-06
Coefficient E			2.00000e+00
Comment			Range stopped at Tc; ChemSep gives it to 768 K.
Temperature range, min.			309.58
Temperature range, max.			767.00
Pvap	1.05e-05	kPa	309.58	Calculated Property
Pvap	1.82e-03	kPa	360.40	Calculated Property
Pvap	0.07	kPa	411.23	Calculated Property
Pvap	0.93	kPa	462.05	Calculated Property
Pvap	6.58	kPa	512.88	Calculated Property
Pvap	29.68	kPa	563.70	Calculated Property
Pvap	97.30	kPa	614.53	Calculated Property
Pvap	253.67	kPa	665.35	Calculated Property
Pvap	560.54	kPa	716.18	Calculated Property
Pvap	1098.71	kPa	767.00	Calculated Property
Pvap	[1.18e-05; 1031.59]	kPa	[309.59; 767.04]	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			1.25740e+02
Coefficient B			-1.58831e+04
Coefficient C			-1.50009e+01
Coefficient D			2.63411e-06
Coefficient E			0.00000e+00
Temperature range, min.			309.59
Temperature range, max.			767.04
Pvap	1.18e-05	kPa	309.59	Calculated Property
Pvap	1.84e-03	kPa	360.42	Calculated Property
Pvap	0.07	kPa	411.25	Calculated Property
Pvap	0.89	kPa	462.07	Calculated Property
Pvap	6.42	kPa	512.90	Calculated Property
Pvap	29.31	kPa	563.73	Calculated Property
Pvap	96.63	kPa	614.56	Calculated Property
Pvap	250.75	kPa	665.38	Calculated Property
Pvap	544.16	kPa	716.21	Calculated Property
Pvap	1031.59	kPa	767.04	Calculated Property

Property	Value	Unit	Temperature (K)	Source
ρl	[771.17; 273.34]	kg/m3	[309.58; 767.00]	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			5.13276e+01
Coefficient B			2.33510e-01
Coefficient C			7.68000e+02
Coefficient D			2.85710e-01
Comment			Range stopped at Tc; ChemSep gives it to 768 K.
Temperature range, min.			309.58
Temperature range, max.			767.00
ρl	771.17	kg/m3	309.58	Calculated Property
ρl	739.87	kg/m3	360.40	Calculated Property
ρl	707.09	kg/m3	411.23	Calculated Property
ρl	672.47	kg/m3	462.05	Calculated Property
ρl	635.49	kg/m3	512.88	Calculated Property
ρl	595.33	kg/m3	563.70	Calculated Property
ρl	550.55	kg/m3	614.53	Calculated Property
ρl	498.32	kg/m3	665.35	Calculated Property
ρl	430.98	kg/m3	716.18	Calculated Property
ρl	273.34	kg/m3	767.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
γ	[0.03; 0.00]	N/m	[309.58; 767.00]	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 γ in N/m, T in K
Coefficient A			5.82260e-02
Coefficient B			1.44950e+00
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Critical temperature, Tc (K)			7.67000e+02
Comment			Range stopped at Tc; ChemSep gives it to 768 K.
Temperature range, min.			309.58
Temperature range, max.			767.00
γ	0.03	N/m	309.58	Calculated Property
γ	0.02	N/m	360.40	Calculated Property
γ	0.02	N/m	411.23	Calculated Property
γ	0.02	N/m	462.05	Calculated Property
γ	0.01	N/m	512.88	Calculated Property
γ	0.01	N/m	563.70	Calculated Property
γ	0.01	N/m	614.53	Calculated Property
γ	0.00	N/m	665.35	Calculated Property
γ	0.00	N/m	716.18	Calculated Property
γ	0.00	N/m	767.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λgas	[0.00; 0.07]	W/m×K	[274.00; 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			-3.75320e+02
Coefficient B			1.07080e+00
Coefficient C			-8.78360e+09
Coefficient D			0.00000e+00
Temperature range, min.			274.00
Temperature range, max.			1000.00
λgas	0.00	W/m×K	274.00	Calculated Property
λgas	0.01	W/m×K	354.67	Calculated Property
λgas	0.01	W/m×K	435.33	Calculated Property
λgas	0.02	W/m×K	516.00	Calculated Property
λgas	0.02	W/m×K	596.67	Calculated Property
λgas	0.03	W/m×K	677.33	Calculated Property
λgas	0.04	W/m×K	758.00	Calculated Property
λgas	0.05	W/m×K	838.67	Calculated Property
λgas	0.06	W/m×K	919.33	Calculated Property
λgas	0.07	W/m×K	1000.00	Calculated Property

Property	Value	Unit	Temperature (K)	Source
λliquid	[0.15; 0.08]	W/m×K	[309.58; 616.93]	ChemSep v8.3 pure component data Compiled value
Equation			Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is λliquid in W/m×K, T in K
Coefficient A			2.17800e-01
Coefficient B			-2.23300e-04
Coefficient C			0.00000e+00
Coefficient D			0.00000e+00
Coefficient E			0.00000e+00
Temperature range, min.			309.58
Temperature range, max.			616.93
λliquid	0.15	W/m×K	309.58	Calculated Property
λliquid	0.14	W/m×K	343.73	Calculated Property
λliquid	0.13	W/m×K	377.88	Calculated Property
λliquid	0.13	W/m×K	412.03	Calculated Property
λliquid	0.12	W/m×K	446.18	Calculated Property
λliquid	0.11	W/m×K	480.33	Calculated Property
λliquid	0.10	W/m×K	514.48	Calculated Property
λliquid	0.10	W/m×K	548.63	Calculated Property
λliquid	0.09	W/m×K	582.78	Calculated Property
λliquid	0.08	W/m×K	616.93	Calculated Property

Similar Compounds

Find more compounds similar to Eicosane.

Mixtures

• Eicosane + 1-Octadecanol
• Eicosane + 1-Eicosanol
• Eicosane + Naphthalene
• 1H-INDOLE + Eicosane
• Propane + Eicosane
• Eicosane + 2,3-Pentadione
• Eicosane + Ethylene
• Eicosane + Decane
• Tetracosane + Eicosane
• Tetracosane + Eicosane + Decane
• Eicosane + Cyclohexane
• Eicosane + Cyclohexane, methyl-
• Cyclohexane, ethyl- + Eicosane
• Carbon dioxide + Eicosane
• Eicosane + Di-n-propyl ether
• Eicosane + n-Butyl ether
• Eicosane + Butane, 1-chloro-
• Octane, 1-chloro- + Eicosane

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 2 ChEDL chemicals 1.5.2, from Ambrose, D.; Tsonopoulos, C. Vapor-Liquid Critical Properties of Elements and Compounds. 2. Normal Alkanes. J. Chem. Eng. Data 1995, 40, 531-546.
• 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.
• Cheméo Relay (1.0)
• 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
• Phase behaviour in the vicinity of the three-phase solid liquid vapour line in asymmetric nonpolar systems at high pressures
• Phase diagrams of binary systems containing n-alkanes, or cyclohexane, or 1-alkanols and 2,3-pentanedione at atmospheric and high pressure
• Experimental measurements and equation of state modeling of liquid densities for long-chain n-alkanes at pressures to 265 MPa and temperatures to 523 K
• Critical temperatures and pressures of C40, C44, and C60 normal alkanes measured by the pulse-heating technique
• Solid-liquid equilibria of eicosane, tetracosane or biphenyl + 1- octadecanol, or + 1-eicosanol mixtures
• High pressure solid solid and solid liquid transition data for long chain alkanes
• Viscosity of n-hexadecane, n-octadecane and n-eicosane at pressures up to 243 MPa and temperatures up to 534 K
• Measurements and modeling of high-temperature, high-pressure density for binary mixtures of propane with n-decane and propane with n-eicosane
• Determination of thermophysical properties of cyclopentane hydrate using a stirred calorimetric cell
• Solid liquid equilibria and purity determination for binary n-alkane + naphthalene systems
• Examination of hydrogen-bonding interactions between dissolved solutes and alkylbenzene solvents based on Abraham model correlations derived from measured enthalpies of solvation
• Solid-liquid equilibria of indole binary systems
• A Comparison of Results by Correlation Gas Chromatography with Another Gas Chromatographic Retention Time Technique. The Effects of Retention Time Coincidence on Vaporization Enthalpy and Vapor Pressure
• The Use of Antioxidants to Improve Vapor Pressure Measurements on Compounds with Oxidative Instability: Methyl Oleate with tert-Butylhydroquinone
• Interfacial Tension Measurement and Calculation of (Carbon Dioxide + n-Alkane) Binary Mixtures
• Bubble Pressure Measurement and Prediction for n-Hexadecane and n-Eicosane + Cyclohexane, Methylcyclohexane, and Ethylcyclohexane Binary Mixtures from 303.15 to 393.15 K
• Influence of a-Olefin Concentration and Length on the High-Pressure Phase Behavior of (a-Olefin + n-Hexane + LLDPE) Systems
• Solubilities of Some Long-Chain n-Alkanes in Dipropyl Ether, Dibutyl Ether, 1-Chlorobutane, and 1-Chlorooctane as Functions of Temperature
• Surface tension of decane binary and ternary mixtures with eicosane, docosane and tetracosane
• Article Previous Article Next Article Articles ASAP Use of Equations of State and Coarse Grained Simulations to Complement Experiments: Describing the Interfacial Properties of Carbon Dioxide + Decane and Carbon Dioxide + Eicosane Mixtures
• Vapor and Sublimation Pressures of Three Normal Alkanes: C20, C24, and C28
• 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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