- InChI
- InChI=1S/C20H42/c1-5-6-7-8-9-10-11-12-13-14-15-16-17-18-19-20(2,3)4/h5-19H2,1-4H3
- InChI Key
- XZFFGCIQYXSUJJ-UHFFFAOYSA-N
- Formula
- C20H42
- SMILES
- CCCCCCCCCCCCCCCCC(C)(C)C
- Molecular Weight1
- 282.55
- CAS
- 61869-06-5
- 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).
- 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 |
|---|---|---|---|
| ω | 0.7939 | Relay (1.0) Calculated Property | |
| ΔfG° | 120.36 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -479.35 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 40.14 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 91.89 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 9.68 | eV | Relay (1.0) Calculated Property |
| log10WS | -8.75 | Relay (1.0) Calculated Property | |
| logPoct/wat | 7.904 | Crippen Calculated Property | |
| McVol | 292.660 | ml/mol | McGowan Calculated Property |
| Pc | 1027.94 | kPa | Joback Calculated Property |
| Inp | 1917.00 | NIST | |
| Tboil | 579.06 | K | Relay (1.0) Calculated Property |
| Tc | 740.26 | K | Relay (1.0) Calculated Property |
| Tfus | 291.32 | K | Relay (1.0) Calculated Property |
| Vc | 1.157 | m3/kmol | Relay (1.0) Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [842.36; 957.52] | J/mol×K | [653.77; 818.91] | 
|
| Cp,gas | 842.36 | J/mol×K | 653.77 | Joback Calculated Property |
| Cp,gas | 863.80 | J/mol×K | 681.29 | Joback Calculated Property |
| Cp,gas | 884.29 | J/mol×K | 708.82 | Joback Calculated Property |
| Cp,gas | 903.87 | J/mol×K | 736.34 | Joback Calculated Property |
| Cp,gas | 922.58 | J/mol×K | 763.87 | Joback Calculated Property |
| Cp,gas | 940.45 | J/mol×K | 791.39 | Joback Calculated Property |
| Cp,gas | 957.52 | J/mol×K | 818.91 | Joback Calculated Property |
| η | [0.0000837; 0.0043077] | Pa×s | [317.58; 653.77] |
|
| η | 0.0043077 | Pa×s | 317.58 | Joback Calculated Property |
| η | 0.0013647 | Pa×s | 373.61 | Joback Calculated Property |
| η | 0.0005835 | Pa×s | 429.64 | Joback Calculated Property |
| η | 0.0003035 | Pa×s | 485.67 | Joback Calculated Property |
| η | 0.0001807 | Pa×s | 541.71 | Joback Calculated Property |
| η | 0.0001186 | Pa×s | 597.74 | Joback Calculated Property |
| η | 0.0000837 | Pa×s | 653.77 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [458.97; 643.37] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.39733e+01 | |||
| Coefficient B | -4.35101e+03 | |||
| Coefficient C | -1.41050e+02 | |||
| Temperature range, min. | 458.97 | |||
| Temperature range, max. | 643.37 | |||
| Pvap | 1.33 | kPa | 458.97 | Calculated Property |
| Pvap | 3.05 | kPa | 479.46 | Calculated Property |
| Pvap | 6.36 | kPa | 499.95 | Calculated Property |
| Pvap | 12.24 | kPa | 520.44 | Calculated Property |
| Pvap | 22.03 | kPa | 540.93 | Calculated Property |
| Pvap | 37.44 | kPa | 561.41 | Calculated Property |
| Pvap | 60.57 | kPa | 581.90 | Calculated Property |
| Pvap | 93.89 | kPa | 602.39 | Calculated Property |
| Pvap | 140.21 | kPa | 622.88 | Calculated Property |
| Pvap | 202.65 | kPa | 643.37 | Calculated Property |
Similar Compounds
Find more compounds similar to 2,2-Dimethyloctadecane.
Sources
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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