- InChI
- InChI=1S/C7H14/c1-6(2)5-7(3)4/h5-6H,1-4H3
- InChI Key
- VVCFYASOGFVJFN-UHFFFAOYSA-N
- Formula
- C7H14
- SMILES
- CC(C)=CC(C)C
- Molecular Weight1
- 98.19
- CAS
- 625-65-0
- Other Names
-
- (CH3)2CHCH=C(CH3)2
- 2,4-Dimethyl-2-pentene
- 2,4-dimethylpent-2-ene
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- logPoct/wat : Octanol/Water partition coefficient.
- McVol : McGowan's characteristic volume (ml/mol).
- Pvap : Vapor pressure (kPa).
- Inp : Non-polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tfus : Normal melting (fusion) point (K).
- 1: Molecular weight from the IUPAC atomic weights tables.
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Physical Properties
| Property | Value | Unit | Source |
|---|---|---|---|
| PAff | 812.00 | kJ/mol | NIST |
| BasG | 783.10 | kJ/mol | NIST |
| ΔcH°liquid | -4632.27 ± 0.84 | kJ/mol | NIST |
| ΔfusH° | 9.25 | kJ/mol | Joback Calculated Property |
| ΔvapH° | [34.30; 34.50] | kJ/mol |
|
| ΔvapH° | 34.50 ± 1.50 | kJ/mol | NIST |
| ΔvapH° | 34.30 | kJ/mol | NIST |
| ΔvapH° | 34.30 | kJ/mol | NIST |
| logPoct/wat | 2.609 | Crippen Calculated Property | |
| McVol | 105.190 | ml/mol | McGowan Calculated Property |
| Inp | [640.00; 656.00] |
|
|
| Inp | 654.90 | NIST | |
| Inp | 641.20 | NIST | |
| Inp | 649.10 | NIST | |
| Inp | 648.40 | NIST | |
| Inp | 640.70 | NIST | |
| Inp | 640.30 | NIST | |
| Inp | 654.00 | NIST | |
| Inp | 654.00 | NIST | |
| Inp | 640.70 | NIST | |
| Inp | 640.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 640.00 | NIST | |
| Inp | 643.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 655.50 | NIST | |
| Inp | 656.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 640.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 655.00 | NIST | |
| Inp | 650.00 | NIST | |
| Inp | 649.00 | NIST | |
| Inp | 650.00 | NIST | |
| Inp | 655.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 655.50 | NIST | |
| Tboil | [355.15; 358.15] | K |
|
| Tboil | 356.60 | K | NIST |
| Tboil | 356.65 ± 1.00 | K | NIST |
| Tboil | 356.45 ± 0.30 | K | NIST |
| Tboil | 356.59 ± 0.30 | K | NIST |
| Tboil | 356.38 ± 0.20 | K | NIST |
| Tboil | 355.55 ± 0.50 | K | NIST |
| Tboil | 356.59 ± 0.30 | K | NIST |
| Tboil | 356.46 ± 1.00 | K | NIST |
| Tboil | 356.59 ± 0.30 | K | NIST |
| Tboil | 356.42 ± 0.30 | K | NIST |
| Tboil | 356.42 ± 0.30 | K | NIST |
| Tboil | 356.42 ± 0.30 | K | NIST |
| Tboil | 355.42 ± 0.30 | K | NIST |
| Tboil | 355.75 ± 0.30 | K | NIST |
| Tboil | 355.55 ± 0.50 | K | NIST |
| Tboil | 355.15 ± 1.00 | K | NIST |
| Tboil | 356.65 ± 1.00 | K | NIST |
| Tboil | 355.75 ± 0.50 | K | NIST |
| Tboil | 355.95 ± 1.00 | K | NIST |
| Tboil | 356.30 ± 1.00 | K | NIST |
| Tboil | 355.75 ± 0.60 | K | NIST |
| Tboil | 355.15 ± 1.50 | K | NIST |
| Tboil | 356.35 ± 1.00 | K | NIST |
| Tboil | Outlier 357.90 ± 2.00 | K | NIST |
| Tboil | 356.15 ± 2.00 | K | NIST |
| Tboil | 355.65 ± 2.00 | K | NIST |
| Tboil | 356.15 ± 2.00 | K | NIST |
| Tboil | 355.65 ± 0.30 | K | NIST |
| Tboil | 356.15 ± 3.00 | K | NIST |
| Tboil | 356.65 ± 3.00 | K | NIST |
| Tboil | 355.15 ± 3.00 | K | NIST |
| Tboil | Outlier 358.15 ± 3.00 | K | NIST |
| Tfus | [145.41; 145.85] | K |
|
| Tfus | 145.41 ± 0.03 | K | NIST |
| Tfus | 145.42 ± 0.02 | K | NIST |
| Tfus | 145.45 ± 0.01 | K | NIST |
| Tfus | 145.85 ± 0.05 | K | NIST |
| Tfus | 145.45 ± 0.02 | K | NIST |
Cheméo can also estimate Critical Temperature, Critical Pressure, Critical Volume, Enthalpy of formation at standard conditions, Standard Gibbs free energy of formation, Acentric Factor, Ionization energy, Log10 of Water solubility in mol/l for this compound, but they fall outside the models' validated range, so they are not shown here. Open the prediction tool to compute them on demand.
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [180.26; 246.10] | J/mol×K | [363.36; 543.54] |
|
| Cp,gas | 180.26 | J/mol×K | 363.36 | Joback Calculated Property |
| Cp,gas | 192.54 | J/mol×K | 393.39 | Joback Calculated Property |
| Cp,gas | 204.27 | J/mol×K | 423.42 | Joback Calculated Property |
| Cp,gas | 215.47 | J/mol×K | 453.45 | Joback Calculated Property |
| Cp,gas | 226.16 | J/mol×K | 483.48 | Joback Calculated Property |
| Cp,gas | 236.37 | J/mol×K | 513.51 | Joback Calculated Property |
| Cp,gas | 246.10 | J/mol×K | 543.54 | Joback Calculated Property |
| ΔvapH | [34.20; 35.20] | kJ/mol | [286.50; 324.50] |
|
| ΔvapH | 35.20 ± 1.50 | kJ/mol | 286.50 | NIST |
| ΔvapH | 34.50 | kJ/mol | 324.50 | NIST |
| ΔvapH | 34.20 | kJ/mol | 324.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.68] | kPa | [260.01; 381.07] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.37580e+01 | |||
| Coefficient B | -2.74151e+03 | |||
| Coefficient C | -5.64900e+01 | |||
| Temperature range, min. | 260.01 | |||
| Temperature range, max. | 381.07 | |||
| Pvap | 1.33 | kPa | 260.01 | Calculated Property |
| Pvap | 3.07 | kPa | 273.46 | Calculated Property |
| Pvap | 6.42 | kPa | 286.91 | Calculated Property |
| Pvap | 12.38 | kPa | 300.36 | Calculated Property |
| Pvap | 22.29 | kPa | 313.81 | Calculated Property |
| Pvap | 37.84 | kPa | 327.27 | Calculated Property |
| Pvap | 61.10 | kPa | 340.72 | Calculated Property |
| Pvap | 94.47 | kPa | 354.17 | Calculated Property |
| Pvap | 140.67 | kPa | 367.62 | Calculated Property |
| Pvap | 202.68 | kPa | 381.07 | Calculated Property |
| Pvap | [1.36; 197.97] | kPa | [260.15; 380.15] |
KDB Vapor Pressure Data
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 1.01167e+02 | |||
| Coefficient B | -7.43140e+03 | |||
| Coefficient C | -1.31513e+01 | |||
| Coefficient D | 1.24302e-05 | |||
| Temperature range, min. | 260.15 | |||
| Temperature range, max. | 380.15 | |||
| Pvap | 1.36 | kPa | 260.15 | Calculated Property |
| Pvap | 3.09 | kPa | 273.48 | Calculated Property |
| Pvap | 6.41 | kPa | 286.82 | Calculated Property |
| Pvap | 12.29 | kPa | 300.15 | Calculated Property |
| Pvap | 22.02 | kPa | 313.48 | Calculated Property |
| Pvap | 37.24 | kPa | 326.82 | Calculated Property |
| Pvap | 59.94 | kPa | 340.15 | Calculated Property |
| Pvap | 92.45 | kPa | 353.48 | Calculated Property |
| Pvap | 137.45 | kPa | 366.82 | Calculated Property |
| Pvap | 197.97 | kPa | 380.15 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Pentene, 2,4-dimethyl-.
Sources
- KDB Vapor Pressure Data
- Cheméo Relay (1.0, beta) Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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