- 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
- 282.55
- CAS
- 112-95-8
- Other Names
-
- icosane
- n-Eicosane
- n-Icosane
- ω : Acentric Factor.
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,liquid : Liquid phase heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°liquid : Liquid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔfusH : Enthalpy of fusion at a given temperature (kJ/mol).
- ΔsubH° : Enthalpy of sublimation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (kJ/mol).
- ΔvapH : Enthalpy of vaporization at a given temperature (kJ/mol).
- log10WS : Log10 of Water solubility in mol/l.
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- NFPA Fire : NFPA Fire Rating.
- Pc : Critical Pressure (kPa).
- Psub : Sublimation pressure (kPa).
- Pvap : Vapor pressure (kPa).
- ρl : Liquid Density (kg/m3).
- Inp : Non-polar retention indices.
- ΔfusS : 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).
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Tfus : Melting point (K).
- Ttriple : Triple Point Temperature (K).
- Vc : Critical Volume (m3/kmol).
- Zra : Rackett Parameter.
- 1: Molecular weight from the IUPAC atomic weights tables.
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Contents
- Physical Properties
- Temperature Dependent Properties
- Pressure Dependent Properties
- Datasets
- Correlations
- Similar Compounds
- Mixtures
- Sources
Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ω | 0.9070 | KDB | |
| ΔcH°liquid | -13316.40 ± 2.80 | kJ/mol | NIST |
| ΔfG° | 117.40 | kJ/mol | KDB |
| ΔfH°gas | [-456.10; -455.80] | kJ/mol |
|
| 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 l... |
| 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 |
| log10WS | [-8.17; -8.17] |
|
|
| log10WS | -8.17 | Aq. Sol... | |
| log10WS | -8.17 | Estimat... | |
| logPoct/wat | 8.048 | Crippen Calculated Property | |
| McVol | 292.660 | ml/mol | McGowan Calculated Property |
| NFPA Fire | 1 | KDB | |
| Pc | [1070.00; 1100.00] | kPa |
|
| Pc | 1070.00 | kPa | KDB |
| Pc | 1100.00 ± 200.00 | kPa | NIST |
| Pc | 1070.00 ± 40.00 | kPa | NIST |
| 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; 616.20] | K |
|
| Tboil | 616.00 | K | KDB |
| Tboil | 616.20 | K | NIST |
| Tboil | 582.90 ± 5.00 | K | NIST |
| Tc | [767.50; 769.00] | K |
|
| Tc | 768.00 | K | KDB |
| Tc | 769.00 | K | Critica... |
| Tc | 768.00 ± 8.00 | K | NIST |
| Tc | 767.50 ± 3.00 | K | NIST |
| Tfus | [308.10; 310.05] | K |
|
| Tfus | 309.90 | K | KDB |
| Tfus | 309.77 | K | Aq. Sol... |
| Tfus | 309.51 | K | Phase d... |
| Tfus | 308.18 | K | Solid-l... |
| Tfus | 308.10 | K | Determi... |
| Tfus | 310.05 | K | Solid-l... |
| Ttriple | [309.20; 309.70] | K |
|
| Ttriple | 309.20 | K | Solubil... |
| Ttriple | 309.64 ± 0.01 | K | NIST |
| Ttriple | 309.70 ± 0.20 | K | NIST |
| Vc | 1.155 | m3/kmol | Joback Calculated Property |
| Zra | 0.23 | KDB |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [840.49; 953.72] | J/mol×K | [657.00; 817.38] |
|
|
T(K) Ideal gas heat capacity (J/mol×K) 840 860 880 900 920 940 960 700 750 800 | ||||
| Cp,gas | 840.49 | J/mol×K | 657.00 | Joback Calculated Property |
| Cp,gas | 861.41 | J/mol×K | 683.73 | Joback Calculated Property |
| Cp,gas | 881.48 | J/mol×K | 710.46 | Joback Calculated Property |
| Cp,gas | 900.72 | J/mol×K | 737.19 | Joback Calculated Property |
| Cp,gas | 919.16 | J/mol×K | 763.92 | Joback Calculated Property |
| Cp,gas | 936.82 | J/mol×K | 790.65 | Joback Calculated Property |
| Cp,gas | 953.72 | J/mol×K | 817.38 | Joback Calculated Property |
| Cp,liquid | 664.00 | J/mol×K | 325.00 | NIST |
| Cp,solid | 602.50 | J/mol×K | 279.10 | NIST |
| η | [0.0000972; 0.0036329] | Pa×s | [315.16; 657.00] |
|
|
T(K) Dynamic viscosity (Pa×s) 0 5.00e-4 1.00e-3 1.50e-3 2.00e-3 2.50e-3 3.00e-3 3.50e-3 400 500 600 | ||||
| η | 0.0036329 | Pa×s | 315.16 | Joback Calculated Property |
| η | 0.0012516 | Pa×s | 372.13 | Joback Calculated Property |
| η | 0.0005722 | Pa×s | 429.11 | Joback Calculated Property |
| η | 0.0003143 | Pa×s | 486.08 | Joback Calculated Property |
| η | 0.0001958 | Pa×s | 543.05 | Joback Calculated Property |
| η | 0.0001334 | Pa×s | 600.03 | Joback Calculated Property |
| η | 0.0000972 | Pa×s | 657.00 | Joback Calculated Property |
| ΔfusH | [61.48; 70.90] | kJ/mol | [308.50; 310.20] |
|
|
T(K) Enthalpy of fusion at a given temperature (kJ/mol) 62 64 66 68 70 308.5 309 309.5 310 | ||||
| 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 | 61.48 | kJ/mol | 309.70 | NIST |
| ΔfusH | 68.10 | kJ/mol | 309.70 | NIST |
| ΔfusH | 67.80 | 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] |
|
|
T(K) Enthalpy of vaporization at a given temperature (kJ/mol) 60 70 80 90 100 110 300 400 500 600 | ||||
| ΔvapH | 103.90 | kJ/mol | 298.00 | A Compa... |
| 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 a... |
| Psub | 3.30e-06 | kPa | 304.59 | Vapor a... |
| Psub | 4.59e-06 | kPa | 306.79 | Vapor a... |
| Psub | 5.94e-06 | kPa | 307.86 | Vapor a... |
| Pvap | [1.46e-05; 3.87e-04] | kPa | [313.15; 343.15] |
|
|
T(K) Vapor pressure (kPa) 0 5.00e-5 1.00e-4 1.50e-4 2.00e-4 2.50e-4 3.00e-4 3.50e-4 4.00e-4 320 330 340 | ||||
| Pvap | 1.46e-05 | kPa | 313.15 | The Use... |
| Pvap | 4.90e-05 | kPa | 323.15 | The Use... |
| Pvap | 4.88e-05 | kPa | 323.15 | The Use... |
| Pvap | 4.87e-05 | kPa | 323.15 | The Use... |
| Pvap | 4.91e-05 | kPa | 323.15 | The Use... |
| Pvap | 4.64e-05 | kPa | 323.15 | The Use... |
| Pvap | 1.47e-04 | kPa | 333.15 | The Use... |
| Pvap | 3.87e-04 | kPa | 343.15 | The Use... |
| 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 | 225.60 | J/mol×K | 309.75 | NIST |
| γ | [0.03; 0.03] | N/m | [313.15; 343.15] |
|
|
T(K) Surface Tension (N/m) 0.03 0.03 0.03 0.03 0.03 0.03 320 330 340 | ||||
| γ | 0.03 | N/m | 313.15 | Surface... |
| γ | 0.03 | N/m | 323.15 | Surface... |
| γ | 0.03 | N/m | 323.20 | KDB |
| γ | 0.03 | N/m | 333.15 | Surface... |
| γ | 0.03 | N/m | 343.15 | Surface... |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 493.20 | K | 4.00 | NIST |
| Tfus | [318.15; 344.91] | K | [33520.00; 150000.00] |
|
|
P(kPa) Melting point (K) 320 325 330 335 340 345 50000 100000 150000 | ||||
| Tfus | 318.15 | K | 33520.00 | High pr... |
| Tfus | 323.15 | K | 55080.00 | High pr... |
| Tfus | 328.15 | K | 76800.00 | High pr... |
| Tfus | 333.15 | K | 99090.00 | High pr... |
| Tfus | 344.91 | K | 150000.00 | High pr... |
Datasets
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 |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [466.39; 653.86] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| 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 | |||
|
T(K) Vapor pressure (kPa) 0 50 100 150 200 500 550 600 650 | ||||
| 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 | [1.18e-05; 1031.59] | kPa | [309.59; 767.04] |
KDB Vap...
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 1.25740e+02 | |||
| Coefficient B | -1.58831e+04 | |||
| Coefficient C | -1.50009e+01 | |||
| Coefficient D | 2.63411e-06 | |||
| Temperature range, min. | 309.59 | |||
| Temperature range, max. | 767.04 | |||
|
T(K) Vapor pressure (kPa) 0 200 400 600 800 1000 400 600 | ||||
| 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 |
Similar Compounds
Find more compounds similar to Eicosane.
Mixtures
- Eicosane + 2,3-Pentanedione
- Eicosane + 1-Octadecanol
- Eicosane + 1-Eicosanol
- Eicosane + Naphthalene
- Indole + Eicosane
- Eicosane + Cyclohexane
- Eicosane + Cyclohexane, methyl-
- Cyclohexane, ethyl- + Eicosane
- Eicosane + Di-n-propyl ether
- Eicosane + n-Butyl ether
- Eicosane + Butane, 1-chloro-
- Octane, 1-chloro- + Eicosane
- Eicosane + Decane
- Tetracosane + Eicosane
- Tetracosane + Eicosane + Decane
- Eicosane + Ethylene
- Propane + Eicosane
- Carbon dioxide + Eicosane
Sources
- KDB Vapor Pressure Data
- 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
- 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
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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