- InChI
- InChI=1S/C10H22/c1-5-7-9-10(3,4)8-6-2/h5-9H2,1-4H3
- InChI Key
- ZMEDGZAGMLTROM-UHFFFAOYSA-N
- Formula
- C10H22
- SMILES
- CCCCC(C)(C)CCC
- Molecular Weight1
- 142.28
- CAS
- 15869-95-1
- Other Names
-
- 4,4-DIMETHYLOCTANE
- Octane, 4,4-dimethyl-
- 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).
- 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 | 0.4015 | Relay (1.0) Calculated Property | |
| ΔfG° | 36.16 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -260.01 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 14.24 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 48.10 | kJ/mol | NIST |
| log10WS | -5.61 | Relay (1.0) Calculated Property | |
| logPoct/wat | 4.003 | Crippen Calculated Property | |
| McVol | 151.760 | ml/mol | McGowan Calculated Property |
| Pc | 2145.33 | kPa | Joback Calculated Property |
| Inp | [917.00; 930.00] |
|
|
| Inp | 918.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 918.00 | NIST | |
| Inp | 920.00 | NIST | |
| Inp | 918.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 920.00 | NIST | |
| Inp | Outlier 930.00 | NIST | |
| Inp | 917.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 920.00 | NIST | |
| Inp | 925.00 | NIST | |
| Inp | 920.00 | NIST | |
| Inp | 918.00 | NIST | |
| Inp | 918.00 | NIST | |
| Inp | 920.00 | NIST | |
| Inp | 918.00 | NIST | |
| Inp | 921.00 | NIST | |
| Inp | 925.00 | NIST | |
| Inp | 920.00 | NIST | |
| Tboil | [426.15; 430.70] | K |
|
| Tboil | 430.70 | K | NIST |
| Tboil | 428.00 ± 2.00 | K | NIST |
| Tboil | 426.15 ± 3.00 | K | NIST |
| Tboil | 430.65 ± 0.50 | K | NIST |
| Tc | 606.01 | K | Relay (1.0) Calculated Property |
| Tfus | 166.20 | K | Relay (1.0) Calculated Property |
| Vc | 0.560 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Ionization energy for this compound, but it falls outside the models' validated range, so it is not shown here. Open the prediction tool to compute it on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [317.09; 405.84] | J/mol×K | [425.17; 597.78] |
|
| Cp,gas | 317.09 | J/mol×K | 425.17 | Joback Calculated Property |
| Cp,gas | 333.65 | J/mol×K | 453.94 | Joback Calculated Property |
| Cp,gas | 349.47 | J/mol×K | 482.71 | Joback Calculated Property |
| Cp,gas | 364.57 | J/mol×K | 511.48 | Joback Calculated Property |
| Cp,gas | 378.98 | J/mol×K | 540.24 | Joback Calculated Property |
| Cp,gas | 392.73 | J/mol×K | 569.01 | Joback Calculated Property |
| Cp,gas | 405.84 | J/mol×K | 597.78 | Joback Calculated Property |
| η | [0.0002491; 0.0108562] | Pa×s | [204.88; 425.17] |
|
| η | 0.0108562 | Pa×s | 204.88 | Joback Calculated Property |
| η | 0.0035881 | Pa×s | 241.59 | Joback Calculated Property |
| η | 0.0015882 | Pa×s | 278.31 | Joback Calculated Property |
| η | 0.0008501 | Pa×s | 315.02 | Joback Calculated Property |
| η | 0.0005184 | Pa×s | 351.74 | Joback Calculated Property |
| η | 0.0003471 | Pa×s | 388.45 | Joback Calculated Property |
| η | 0.0002491 | Pa×s | 425.17 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.32; 2207.62] | kPa | [315.15; 606.90] |
KDB Vapor Pressure Data
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 1.00564e+02 | |||
| Coefficient B | -8.97438e+03 | |||
| Coefficient C | -1.26107e+01 | |||
| Coefficient D | 7.43125e-06 | |||
| Temperature range, min. | 315.15 | |||
| Temperature range, max. | 606.90 | |||
| Pvap | 1.32 | kPa | 315.15 | Calculated Property |
| Pvap | 6.40 | kPa | 347.57 | Calculated Property |
| Pvap | 22.42 | kPa | 379.98 | Calculated Property |
| Pvap | 61.85 | kPa | 412.40 | Calculated Property |
| Pvap | 143.00 | kPa | 444.82 | Calculated Property |
| Pvap | 289.55 | kPa | 477.23 | Calculated Property |
| Pvap | 530.29 | kPa | 509.65 | Calculated Property |
| Pvap | 899.81 | kPa | 542.07 | Calculated Property |
| Pvap | 1440.74 | kPa | 574.48 | Calculated Property |
| Pvap | 2207.62 | kPa | 606.90 | Calculated Property |
Similar Compounds
Find more compounds similar to 4,4-Dimethyl octane.
Sources
- KDB Vapor Pressure Data
- Cheméo Relay (1.0)
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
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