- InChI
- InChI=1S/C31H64/c1-3-5-7-9-11-13-15-17-19-21-23-25-27-29-31-30-28-26-24-22-20-18-16-14-12-10-8-6-4-2/h3-31H2,1-2H3
- InChI Key
- IUJAMGNYPWYUPM-UHFFFAOYSA-N
- Formula
- C31H64
- SMILES
-
CCCCCCCCCCCCCCCCCCCCCCCCCCCCCC
C - Molecular Weight1
- 436.84
- CAS
- 630-04-6
- Other Names
-
- Untriacontane
- n-Hentriacontane
- Cp,gas : Ideal gas 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).
- ΔfusH° : Enthalpy of fusion at standard conditions (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).
- Pc : Critical Pressure (kPa).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tc : Critical Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- Vc : Critical Volume (m3/kmol).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| ΔfG° | 210.14 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -683.17 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 76.05 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 157.30 | kJ/mol | NIST |
| log10WS | -12.80 | Crippen Calculated Property | |
| logPoct/wat | 12.339 | Crippen Calculated Property | |
| McVol | 447.650 | ml/mol | McGowan Calculated Property |
| Pc | 568.52 | kPa | Joback Calculated Property |
| Inp | [472.70; 478.65] |
|
|
| Inp | 478.65 | NIST | |
| Inp | 472.70 | NIST | |
| Tboil | 908.68 | K | Joback Calculated Property |
| Tc | 1124.59 | K | Joback Calculated Property |
| Tfus | [340.40; 342.00] | K |
|
| Tfus | 341.70 ± 1.00 | K | NIST |
| Tfus | 341.00 ± 1.00 | K | NIST |
| Tfus | 342.00 ± 1.00 | K | NIST |
| Tfus | Outlier 340.40 ± 0.10 | K | NIST |
| Tfus | 341.20 ± 0.60 | K | NIST |
| Tfus | 341.60 ± 0.60 | K | NIST |
| Tfus | 341.00 ± 2.00 | K | NIST |
| Tfus | 341.70 ± 1.00 | K | NIST |
| Tfus | 340.90 ± 0.50 | K | NIST |
| Tfus | 342.00 ± 2.00 | K | NIST |
| Tfus | 342.00 ± 2.00 | K | NIST |
| Tfus | 342.00 ± 2.00 | K | NIST |
| Tfus | 341.20 ± 4.00 | K | NIST |
| Tfus | 342.00 ± 2.00 | K | NIST |
| Tfus | 341.60 ± 4.00 | K | NIST |
| Tfus | 341.30 ± 3.00 | K | NIST |
| Tfus | 341.30 ± 5.00 | K | NIST |
| Tfus | 341.30 ± 3.00 | K | NIST |
| Vc | 1.772 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [1549.83; 1697.00] | J/mol×K | [908.68; 1124.59] |
|
| Cp,gas | 1549.83 | J/mol×K | 908.68 | Joback Calculated Property |
| Cp,gas | 1578.23 | J/mol×K | 944.67 | Joback Calculated Property |
| Cp,gas | 1604.94 | J/mol×K | 980.65 | Joback Calculated Property |
| Cp,gas | 1630.08 | J/mol×K | 1016.64 | Joback Calculated Property |
| Cp,gas | 1653.73 | J/mol×K | 1052.62 | Joback Calculated Property |
| Cp,gas | 1676.01 | J/mol×K | 1088.61 | Joback Calculated Property |
| Cp,gas | 1697.00 | J/mol×K | 1124.59 | Joback Calculated Property |
| Cp,solid | 912.00 | J/mol×K | 323.00 | NIST |
| η | [0.0000209; 0.0009328] | Pa×s | [439.13; 908.68] |
|
| η | 0.0009328 | Pa×s | 439.13 | Joback Calculated Property |
| η | 0.0003067 | Pa×s | 517.39 | Joback Calculated Property |
| η | 0.0001351 | Pa×s | 595.65 | Joback Calculated Property |
| η | 0.0000720 | Pa×s | 673.90 | Joback Calculated Property |
| η | 0.0000437 | Pa×s | 752.16 | Joback Calculated Property |
| η | 0.0000292 | Pa×s | 830.42 | Joback Calculated Property |
| η | 0.0000209 | Pa×s | 908.68 | Joback Calculated Property |
| ΔvapH | [113.80; 157.30] | kJ/mol | [298.15; 617.50] |
|
| ΔvapH | 157.30 | kJ/mol | 298.15 | Vapor P... |
| ΔvapH | 146.00 ± 2.00 | kJ/mol | 453.50 | NIST |
| ΔvapH | 113.80 | kJ/mol | 617.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.64] | kPa | [562.42; 771.67] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.53473e+01 | |||
| Coefficient B | -6.29509e+03 | |||
| Coefficient C | -1.44410e+02 | |||
| Temperature range, min. | 562.42 | |||
| Temperature range, max. | 771.67 | |||
| Pvap | 1.33 | kPa | 562.42 | Calculated Property |
| Pvap | 2.95 | kPa | 585.67 | Calculated Property |
| Pvap | 6.02 | kPa | 608.92 | Calculated Property |
| Pvap | 11.49 | kPa | 632.17 | Calculated Property |
| Pvap | 20.66 | kPa | 655.42 | Calculated Property |
| Pvap | 35.32 | kPa | 678.67 | Calculated Property |
| Pvap | 57.73 | kPa | 701.92 | Calculated Property |
| Pvap | 90.73 | kPa | 725.17 | Calculated Property |
| Pvap | 137.70 | kPa | 748.42 | Calculated Property |
| Pvap | 202.64 | kPa | 771.67 | Calculated Property |
Similar Compounds
Find more compounds similar to Hentriacontane.
Sources
- Crippen Method
- Crippen Method
- Vapor Pressures and Vaporization Enthalpies of the n-Alkanes from C31 to C38 at T = 298.15 K by Correlation Gas Chromatography
- Joback Method
- 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.