- InChI
- InChI=1S/C7H14/c1-5-7(4)6(2)3/h5-6H,1-4H3/b7-5+
- InChI Key
- PPBWEVVDSRKEIK-FNORWQNLSA-N
- Formula
- C7H14
- SMILES
- CC=C(C)C(C)C
- Molecular Weight1
- 98.19
- CAS
- 4914-92-5
- Other Names
-
- (2E)-3,4-Dimethyl-2-pentene
- (E)-(CH3)2C=CHCH(CH3)2
- (E)-3,4-Dimethyl-2-pentene
- 3,4-Dimethyl-2-pentene (trans)
- 3,4-Dimethyl-trans-2-pentene
- trans-3,4-Dimethyl-2-pentene
- 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 |
|---|---|---|---|
| ΔfusH° | 9.25 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 35.10 | kJ/mol | NIST |
| logPoct/wat | 2.609 | Crippen Calculated Property | |
| McVol | 105.190 | ml/mol | McGowan Calculated Property |
| Inp | [677.00; 688.60] |
|
|
| Inp | 687.60 | NIST | |
| Inp | 677.40 | NIST | |
| Inp | 684.00 | NIST | |
| Inp | 685.00 | NIST | |
| Inp | 686.00 | NIST | |
| Inp | 685.10 | NIST | |
| Inp | 685.80 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 678.70 | NIST | |
| Inp | 688.00 | NIST | |
| Inp | 688.00 | NIST | |
| Inp | 679.40 | NIST | |
| Inp | 679.90 | NIST | |
| Inp | 679.00 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 680.70 | NIST | |
| Inp | 678.10 | NIST | |
| Inp | 683.00 | NIST | |
| Inp | 683.00 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 679.00 | NIST | |
| Inp | 681.00 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 679.00 | NIST | |
| Inp | 680.00 | NIST | |
| Inp | 680.00 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 677.00 | NIST | |
| Inp | 677.50 | NIST | |
| Inp | 688.60 | NIST | |
| Inp | 677.60 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 678.00 | NIST | |
| Inp | 685.00 | NIST | |
| Inp | 688.00 | NIST | |
| Inp | 679.00 | NIST | |
| Inp | 688.60 | NIST | |
| Tboil | [364.15; 364.75] | K |
|
| Tboil | 364.70 | K | NIST |
| Tboil | 364.55 ± 0.50 | K | NIST |
| Tboil | 364.73 ± 0.30 | K | NIST |
| Tboil | 364.75 ± 0.30 | K | NIST |
| Tboil | 364.65 ± 0.60 | K | NIST |
| Tboil | Outlier 364.15 ± 1.50 | K | NIST |
| Tfus | [159.72; 159.75] | K |
|
| Tfus | 159.72 ± 0.06 | K | NIST |
| Tfus | 159.73 ± 0.04 | K | NIST |
| Tfus | 159.75 ± 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 |
|---|---|---|---|---|
| ΔvapH | 33.90 | kJ/mol | 353.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [139.81; 350.15] | 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 | -1.90300e+01 | |||
| Coefficient B | 6.94680e-01 | |||
| Coefficient C | -4.46300e-04 | |||
| Coefficient D | 1.20800e-07 | |||
| Coefficient E | 0.00000e+00 | |||
| Temperature range, min. | 273.00 | |||
| Temperature range, max. | 1000.00 | |||
| Cp,gas | 139.81 | J/mol×K | 273.00 | Calculated Property |
| Cp,gas | 176.22 | J/mol×K | 353.78 | Calculated Property |
| Cp,gas | 208.48 | J/mol×K | 434.56 | Calculated Property |
| Cp,gas | 236.97 | J/mol×K | 515.33 | Calculated Property |
| Cp,gas | 262.07 | J/mol×K | 596.11 | Calculated Property |
| Cp,gas | 284.17 | J/mol×K | 676.89 | Calculated Property |
| Cp,gas | 303.64 | J/mol×K | 757.67 | Calculated Property |
| Cp,gas | 320.88 | J/mol×K | 838.44 | Calculated Property |
| Cp,gas | 336.25 | J/mol×K | 919.22 | Calculated Property |
| Cp,gas | 350.15 | J/mol×K | 1000.00 | Calculated Property |
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.67] | kPa | [264.92; 389.92] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Y) = A + B/(T + C) Y is Pvap in kPa, T in K | |||
| Coefficient A | 1.38726e+01 | |||
| Coefficient B | -2.89366e+03 | |||
| Coefficient C | -5.19180e+01 | |||
| Temperature range, min. | 264.92 | |||
| Temperature range, max. | 389.92 | |||
| Pvap | 1.33 | kPa | 264.92 | Calculated Property |
| Pvap | 3.06 | kPa | 278.81 | Calculated Property |
| Pvap | 6.39 | kPa | 292.70 | Calculated Property |
| Pvap | 12.31 | kPa | 306.59 | Calculated Property |
| Pvap | 22.15 | kPa | 320.48 | Calculated Property |
| Pvap | 37.62 | kPa | 334.36 | Calculated Property |
| Pvap | 60.81 | kPa | 348.25 | Calculated Property |
| Pvap | 94.16 | kPa | 362.14 | Calculated Property |
| Pvap | 140.43 | kPa | 376.03 | Calculated Property |
| Pvap | 202.67 | kPa | 389.92 | Calculated Property |
Similar Compounds
Find more compounds similar to 2-Pentene, 3,4-dimethyl-, (E)-.
Sources
- 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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