- InChI
- InChI=1S/C24H38O4/c1-19(2)13-7-5-11-17-27-23(25)21-15-9-10-16-22(21)24(26)28-18-12-6-8-14-20(3)4/h9-10,15-16,19-20H,5-8,11-14,17-18H2,1-4H3
- InChI Key
- IJFPVINAQGWBRJ-UHFFFAOYSA-N
- Formula
- C24H38O4
- SMILES
-
CC(C)CCCCCOC(=O)c1ccccc1C(=O)O
CCCCCC(C)C - Molecular Weight1
- 390.56
- CAS
- 131-20-4
- Other Names
-
- 27554-26-3
- Bis(6-methylheptyl) phthalate
- Diisooctyl phthalate
- Phthalic acid, bis(6-methylheptyl) ester
- ω : Acentric Factor.
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- η : Dynamic viscosity (Pa×s).
- 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).
- IE : Ionization energy (eV).
- 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 | 1.0872 | Relay (1.0) Calculated Property | |
| ΔfH°gas | -933.59 | kJ/mol | Relay (1.0) Calculated Property |
| ΔfusH° | 50.10 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 105.03 | kJ/mol | Relay (1.0) Calculated Property |
| IE | 9.24 | eV | Relay (1.0) Calculated Property |
| log10WS | [-6.64; -6.64] |
|
|
| log10WS | -6.64 | Aq. Solubility Prediction | |
| log10WS | -6.64 | Estimated Solubility | |
| logPoct/wat | 6.433 | Crippen Calculated Property | |
| McVol | 340.140 | ml/mol | McGowan Calculated Property |
| Pc | 1041.93 | kPa | Joback Calculated Property |
| Inp | [2525.00; 2545.00] |
|
|
| Inp | 2545.00 | NIST | |
| Inp | 2540.00 | NIST | |
| Inp | 2525.00 | NIST | |
| Inp | 2540.00 | NIST | |
| Inp | 2545.00 | NIST | |
| Tboil | 659.73 | K | Relay (1.0) Calculated Property |
| Tc | 859.67 | K | Relay (1.0) Calculated Property |
| Tfus | 275.41 | K | Relay (1.0) Calculated Property |
| Vc | 1.268 | m3/kmol | Relay (1.0) Calculated Property |
Cheméo can also estimate Standard Gibbs free energy of formation 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 | [1120.29; 1202.19] | J/mol×K | [931.88; 1142.43] |
|
| Cp,gas | 1120.29 | J/mol×K | 931.88 | Joback Calculated Property |
| Cp,gas | 1137.32 | J/mol×K | 966.97 | Joback Calculated Property |
| Cp,gas | 1152.94 | J/mol×K | 1002.06 | Joback Calculated Property |
| Cp,gas | 1167.20 | J/mol×K | 1037.16 | Joback Calculated Property |
| Cp,gas | 1180.14 | J/mol×K | 1072.25 | Joback Calculated Property |
| Cp,gas | 1191.79 | J/mol×K | 1107.34 | Joback Calculated Property |
| Cp,gas | 1202.19 | J/mol×K | 1142.43 | Joback Calculated Property |
| η | [0.0000256; 0.0004856] | Pa×s | [513.50; 931.88] |
|
| η | 0.0004856 | Pa×s | 513.50 | Joback Calculated Property |
| η | 0.0002219 | Pa×s | 583.23 | Joback Calculated Property |
| η | 0.0001198 | Pa×s | 652.96 | Joback Calculated Property |
| η | 0.0000729 | Pa×s | 722.69 | Joback Calculated Property |
| η | 0.0000484 | Pa×s | 792.42 | Joback Calculated Property |
| η | 0.0000343 | Pa×s | 862.15 | Joback Calculated Property |
| η | 0.0000256 | Pa×s | 931.88 | Joback Calculated Property |
| ΔvapH | 92.40 | kJ/mol | 436.50 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.66] | kPa | [535.57; 750.61] |
The Yaws Handbook of Vapor Pressure
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.52850e+01 | |||
| Coefficient B | -6.40227e+03 | |||
| Coefficient C | -1.08683e+02 | |||
| Temperature range, min. | 535.57 | |||
| Temperature range, max. | 750.61 | |||
| Pvap | 1.33 | kPa | 535.57 | Calculated Property |
| Pvap | 2.95 | kPa | 559.46 | Calculated Property |
| Pvap | 6.03 | kPa | 583.36 | Calculated Property |
| Pvap | 11.52 | kPa | 607.25 | Calculated Property |
| Pvap | 20.72 | kPa | 631.14 | Calculated Property |
| Pvap | 35.41 | kPa | 655.04 | Calculated Property |
| Pvap | 57.85 | kPa | 678.93 | Calculated Property |
| Pvap | 90.86 | kPa | 702.82 | Calculated Property |
| Pvap | 137.82 | kPa | 726.72 | Calculated Property |
| Pvap | 202.66 | kPa | 750.61 | Calculated Property |
| Pvap | [1.97e-12; 1129.25] | kPa | [260.00; 851.00] |
KDB Vapor Pressure Data
|
| Equation | ln(Pvp) = A + B/T + C*ln(T) + D*T^2 | |||
| Coefficient A | 1.53737e+02 | |||
| Coefficient B | -2.01401e+04 | |||
| Coefficient C | -1.86055e+01 | |||
| Coefficient D | 3.42367e-06 | |||
| Temperature range, min. | 260.00 | |||
| Temperature range, max. | 851.00 | |||
| Pvap | 1.97e-12 | kPa | 260.00 | Calculated Property |
| Pvap | 2.07e-07 | kPa | 325.67 | Calculated Property |
| Pvap | 2.56e-04 | kPa | 391.33 | Calculated Property |
| Pvap | 0.03 | kPa | 457.00 | Calculated Property |
| Pvap | 0.73 | kPa | 522.67 | Calculated Property |
| Pvap | 7.66 | kPa | 588.33 | Calculated Property |
| Pvap | 44.00 | kPa | 654.00 | Calculated Property |
| Pvap | 167.82 | kPa | 719.67 | Calculated Property |
| Pvap | 481.36 | kPa | 785.33 | Calculated Property |
| Pvap | 1129.25 | kPa | 851.00 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,2-Benzenedicarboxylic acid, bis(6-methylheptyl) ester.
Sources
- KDB Vapor Pressure Data
- Cheméo Relay (1.0)
- Crippen Method
- Joback Method
- Aqueous Solubility Prediction Method
- Estimated Solubility Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.