- InChI
- InChI=1S/C7H14/c1-5-7(4)6(2)3/h5-7H,1H2,2-4H3
- InChI Key
- WFHXQNMTMDKVJG-UHFFFAOYSA-N
- Formula
- C7H14
- SMILES
- C=CC(C)C(C)C
- Molecular Weight1
- 98.19
- CAS
- 7385-78-6
- Other Names
-
- (CH3)2CHCH(CH3)CH=CH2
- 3,4-Dimethyl-1-pentene
- 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).
- 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° | 91.02 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -72.94 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 5.56 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 33.90 | kJ/mol | NIST |
| log10WS | -2.12 | Crippen Calculated Property | |
| logPoct/wat | 2.465 | Crippen Calculated Property | |
| McVol | 105.190 | ml/mol | McGowan Calculated Property |
| Pc | 2979.54 | kPa | Joback Calculated Property |
| Inp | [634.00; 647.00] |
|
|
| Inp | 641.30 | NIST | |
| Inp | 634.60 | NIST | |
| Inp | 635.00 | NIST | |
| Inp | 644.20 | NIST | |
| Inp | 646.40 | NIST | |
| Inp | 637.20 | NIST | |
| Inp | 639.50 | NIST | |
| Inp | 642.00 | NIST | |
| Inp | 642.00 | NIST | |
| Inp | 636.80 | NIST | |
| Inp | Outlier 647.00 | NIST | |
| Inp | 637.30 | NIST | |
| Inp | 637.80 | NIST | |
| Inp | 637.00 | NIST | |
| Inp | 639.00 | NIST | |
| Inp | 638.00 | NIST | |
| Inp | 635.00 | NIST | |
| Inp | 638.00 | NIST | |
| Inp | 640.00 | NIST | |
| Inp | 642.00 | NIST | |
| Inp | 644.40 | NIST | |
| Inp | 636.40 | NIST | |
| Inp | 634.00 | NIST | |
| Inp | 638.00 | NIST | |
| Inp | 639.00 | NIST | |
| Inp | 634.00 | NIST | |
| Inp | 642.00 | NIST | |
| Inp | 641.00 | NIST | |
| Inp | 639.00 | NIST | |
| Inp | 641.30 | NIST | |
| Inp | 637.20 | NIST | |
| Inp | Outlier 647.00 | NIST | |
| Inp | 638.00 | NIST | |
| Inp | 636.40 | NIST | |
| Tboil | [353.93; 363.05] | K |
|
| Tboil | 353.96 ± 0.20 | K | NIST |
| Tboil | 353.93 ± 0.30 | K | NIST |
| Tboil | 363.05 | K | NIST |
| Tboil | 353.95 ± 1.00 | K | NIST |
| Tc | 530.42 | K | Joback Calculated Property |
| Tfus | 136.89 | K | Joback Calculated Property |
| Vc | 0.397 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [180.13; 245.12] | J/mol×K | [355.36; 530.42] |
|
| Cp,gas | 180.13 | J/mol×K | 355.36 | Joback Calculated Property |
| Cp,gas | 192.13 | J/mol×K | 384.54 | Joback Calculated Property |
| Cp,gas | 203.64 | J/mol×K | 413.71 | Joback Calculated Property |
| Cp,gas | 214.68 | J/mol×K | 442.89 | Joback Calculated Property |
| Cp,gas | 225.27 | J/mol×K | 472.06 | Joback Calculated Property |
| Cp,gas | 235.41 | J/mol×K | 501.24 | Joback Calculated Property |
| Cp,gas | 245.12 | J/mol×K | 530.42 | Joback Calculated Property |
| η | [0.0002201; 0.0179569] | Pa×s | [136.89; 355.36] |
|
| η | 0.0179569 | Pa×s | 136.89 | Joback Calculated Property |
| η | 0.0039899 | Pa×s | 173.30 | Joback Calculated Property |
| η | 0.0014946 | Pa×s | 209.71 | Joback Calculated Property |
| η | 0.0007487 | Pa×s | 246.13 | Joback Calculated Property |
| η | 0.0004481 | Pa×s | 282.54 | Joback Calculated Property |
| η | 0.0003016 | Pa×s | 318.95 | Joback Calculated Property |
| η | 0.0002201 | Pa×s | 355.36 | Joback Calculated Property |
| ΔvapH | 33.20 | kJ/mol | 343.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.67] | kPa | [258.14; 378.37] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.37935e+01 | |||
| Coefficient B | -2.74141e+03 | |||
| Coefficient C | -5.51640e+01 | |||
| Temperature range, min. | 258.14 | |||
| Temperature range, max. | 378.37 | |||
| Pvap | 1.33 | kPa | 258.14 | Calculated Property |
| Pvap | 3.07 | kPa | 271.50 | Calculated Property |
| Pvap | 6.41 | kPa | 284.86 | Calculated Property |
| Pvap | 12.36 | kPa | 298.22 | Calculated Property |
| Pvap | 22.24 | kPa | 311.58 | Calculated Property |
| Pvap | 37.77 | kPa | 324.93 | Calculated Property |
| Pvap | 61.01 | kPa | 338.29 | Calculated Property |
| Pvap | 94.37 | kPa | 351.65 | Calculated Property |
| Pvap | 140.59 | kPa | 365.01 | Calculated Property |
| Pvap | 202.67 | kPa | 378.37 | Calculated Property |
Similar Compounds
Find more compounds similar to 1-Pentene, 3,4-dimethyl-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- KDB
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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