- 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-TRANS-2-PENTENE
- 3,4-Dimethyl-2-pentene (trans)
- TRANS-3,4-DIMETHYL-2-PENTENE
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- ΔvapH : Enthalpy of vaporization at a given temperature (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 |
|---|---|---|---|
| ΔfG° | 77.29 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -85.66 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 9.25 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 35.10 | kJ/mol | NIST |
| log10WS | -2.36 | Crippen Calculated Property | |
| logPoct/wat | 2.609 | Crippen Calculated Property | |
| McVol | 105.190 | ml/mol | McGowan Calculated Property |
| Pc | 3002.44 | kPa | Joback 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 |
| Tc | 543.24 | K | Joback Calculated Property |
| 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 |
| Vc | 0.403 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [180.18; 246.01] | J/mol×K | [363.16; 543.24] |
|
| Cp,gas | 180.18 | J/mol×K | 363.16 | Joback Calculated Property |
| Cp,gas | 192.45 | J/mol×K | 393.17 | Joback Calculated Property |
| Cp,gas | 204.18 | J/mol×K | 423.19 | Joback Calculated Property |
| Cp,gas | 215.38 | J/mol×K | 453.20 | Joback Calculated Property |
| Cp,gas | 226.07 | J/mol×K | 483.22 | Joback Calculated Property |
| Cp,gas | 236.27 | J/mol×K | 513.23 | Joback Calculated Property |
| Cp,gas | 246.01 | J/mol×K | 543.24 | Joback Calculated Property |
| ΔvapH | 33.90 | kJ/mol | 353.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.67] | kPa | [264.92; 389.92] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| 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
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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Outlier This icon means
that the value is more than 2 standard deviations away from the
property mean.