- InChI
- InChI=1S/C19H40/c1-4-6-8-10-12-14-16-18-19(3)17-15-13-11-9-7-5-2/h19H,4-18H2,1-3H3
- InChI Key
- PAQHXDAHLWMABL-UHFFFAOYSA-N
- Formula
- C19H40
- SMILES
- CCCCCCCCCC(C)CCCCCCCC
- Molecular Weight1
- 268.53
- Other Names
-
- 9-methyloctadecane
- Octadecane, 9-methyl
- ω : Acentric Factor.
- 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).
- IE : Ionization energy (eV).
- 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).
- 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 |
|---|---|---|---|
| ω | 0.7803 | Relay (1.0) Calculated Property | |
| ΔfG° | 106.66 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -444.47 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 41.44 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 92.96 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 9.68 | eV | Relay (1.0) Calculated Property |
| log10WS | -8.30 | Relay (1.0) Calculated Property | |
| logPoct/wat | 7.514 | Crippen Calculated Property | |
| McVol | 278.570 | ml/mol | McGowan Calculated Property |
| Pc | 1086.35 | kPa | Joback Calculated Property |
| Inp | [1836.00; 1844.00] |
|
|
| Inp | 1836.00 | NIST | |
| Inp | 1844.00 | NIST | |
| Tboil | 569.12 | K | Relay (1.0) Calculated Property |
| Tc | 738.31 | K | Relay (1.0) Calculated Property |
| Tfus | 256.70 ± 2.00 | K | NIST |
| Vc | 1.097 | m3/kmol | Relay (1.0) Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [408.23; 1000.09] | J/mol×K | [273.00; 1000.00] |
Joback Predicted correlation
|
| Equation | Y = A + B·T + C·T² + D·T³ + E·T⁴ Y is Cp,gas in J/mol×K, T in K | |||
| Coefficient A | -1.60650e+01 | |||
| Coefficient B | 1.81476e+00 | |||
| Coefficient C | -1.01300e-03 | |||
| Coefficient D | 2.14400e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 408.23 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 508.66 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 598.85 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 679.46 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 751.18 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 814.68 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 870.65 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 919.75 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 962.68 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 1000.09 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| η | [0.0144367; 0.0001626] | Pa×s | [256.70; 556.65] |
Joback Predicted correlation
|
| Equation | Y = exp(A + B/T + C·ln(T) + D·T^E) Y is η in Pa×s, T in K | |||
| Coefficient A | -1.25640e+01 | |||
| Coefficient B | 2.13730e+03 | |||
| Coefficient C | 0.00000e+00 | |||
| Coefficient D | 0.00000e+00 | |||
| Coefficient E | 0.00000e+00 | |||
| Comment | Liquid phase. Joback/Reid (1987), valid from Tf to 0.7·Tc. | |||
| Temperature range, min. | 256.70 | |||
| Temperature range, max. | 556.65 | |||
| η | 0.0144367 | Pa×s | 256.70 | Calculated Property |
| η | 0.0055457 | Pa×s | 290.03 | Calculated Property |
| η | 0.0025947 | Pa×s | 323.35 | Calculated Property |
| η | 0.0013992 | Pa×s | 356.68 | Calculated Property |
| η | 0.0008385 | Pa×s | 390.01 | Calculated Property |
| η | 0.0005447 | Pa×s | 423.34 | Calculated Property |
| η | 0.0003768 | Pa×s | 456.66 | Calculated Property |
| η | 0.0002741 | Pa×s | 489.99 | Calculated Property |
| η | 0.0002076 | Pa×s | 523.32 | Calculated Property |
| η | 0.0001626 | Pa×s | 556.65 | Calculated Property |
Similar Compounds
Find more compounds similar to 9-methylheptadecane.
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