- InChI
- InChI=1S/C26H54/c1-4-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20-21-22-23-24-25-26(2)3/h26H,4-25H2,1-3H3
- InChI Key
- ZRNSSRODJSSVEJ-UHFFFAOYSA-N
- Formula
- C26H54
- SMILES
- CCCCCCCCCCCCCCCCCCCCCCCC(C)C
- Molecular Weight1
- 366.71
- CAS
- 629-87-8
- Cp,gas : Ideal gas 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° | 165.60 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -585.25 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 59.57 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 73.08 | kJ/mol | Joback Calculated Property |
| log10WS | -10.46 | Crippen Calculated Property | |
| logPoct/wat | 10.244 | Crippen Calculated Property | |
| McVol | 377.200 | ml/mol | McGowan Calculated Property |
| Pc | 728.10 | kPa | Joback Calculated Property |
| Inp | [2560.00; 2565.30] |
|
|
| Inp | 2564.00 | NIST | |
| Inp | 2562.00 | NIST | |
| Inp | Outlier 2560.00 | NIST | |
| Inp | 2562.40 | NIST | |
| Inp | 2565.30 | NIST | |
| Inp | 2564.00 | NIST | |
| Inp | 2563.00 | NIST | |
| Inp | 2563.00 | NIST | |
| Inp | 2564.00 | NIST | |
| Tboil | 793.84 | K | Joback Calculated Property |
| Tc | 971.96 | K | Joback Calculated Property |
| Tfus | 367.78 | K | Joback Calculated Property |
| Vc | 1.486 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [1216.69; 1344.42] | J/mol×K | [793.84; 971.96] |
|
| Cp,gas | 1216.69 | J/mol×K | 793.84 | Joback Calculated Property |
| Cp,gas | 1240.72 | J/mol×K | 823.53 | Joback Calculated Property |
| Cp,gas | 1263.59 | J/mol×K | 853.21 | Joback Calculated Property |
| Cp,gas | 1285.35 | J/mol×K | 882.90 | Joback Calculated Property |
| Cp,gas | 1306.05 | J/mol×K | 912.59 | Joback Calculated Property |
| Cp,gas | 1325.72 | J/mol×K | 942.27 | Joback Calculated Property |
| Cp,gas | 1344.42 | J/mol×K | 971.96 | Joback Calculated Property |
| η | [0.0000402; 0.0023771] | Pa×s | [367.78; 793.84] |
|
| η | 0.0023771 | Pa×s | 367.78 | Joback Calculated Property |
| η | 0.0006945 | Pa×s | 438.79 | Joback Calculated Property |
| η | 0.0002858 | Pa×s | 509.80 | Joback Calculated Property |
| η | 0.0001462 | Pa×s | 580.81 | Joback Calculated Property |
| η | 0.0000865 | Pa×s | 651.82 | Joback Calculated Property |
| η | 0.0000568 | Pa×s | 722.83 | Joback Calculated Property |
| η | 0.0000402 | Pa×s | 793.84 | Joback Calculated Property |
| ΔvapH | 107.20 | kJ/mol | 556.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [524.97; 718.68] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.46983e+01 | |||
| Coefficient B | -5.21559e+03 | |||
| Coefficient C | -1.63050e+02 | |||
| Temperature range, min. | 524.97 | |||
| Temperature range, max. | 718.68 | |||
| Pvap | 1.33 | kPa | 524.97 | Calculated Property |
| Pvap | 2.99 | kPa | 546.49 | Calculated Property |
| Pvap | 6.17 | kPa | 568.02 | Calculated Property |
| Pvap | 11.81 | kPa | 589.54 | Calculated Property |
| Pvap | 21.26 | kPa | 611.06 | Calculated Property |
| Pvap | 36.25 | kPa | 632.59 | Calculated Property |
| Pvap | 58.98 | kPa | 654.11 | Calculated Property |
| Pvap | 92.13 | kPa | 675.63 | Calculated Property |
| Pvap | 138.83 | kPa | 697.16 | Calculated Property |
| Pvap | 202.66 | kPa | 718.68 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Methylpentacosane.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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that the value is more than 2 standard deviations away from the
property mean.