- InChI
- InChI=1S/C8H18O/c1-7(2)5-8(3,4)6-9/h7,9H,5-6H2,1-4H3
- InChI Key
- CWPPDTVYIJETDF-UHFFFAOYSA-N
- Formula
- C8H18O
- SMILES
- CC(C)CC(C)(C)CO
- Molecular Weight1
- 130.23
- CAS
- 123-44-4
- Other Names
-
- (dl) 2,4,4-trimethyl-1-pentanol
- 2,2,4-Trimethyl-1-pentanol
- 2,2,4-Trimethylpentanol
- 2,2,4-trimethylpentan-1-ol
- 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).
- I : 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° | -119.94 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -374.71 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 9.63 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 48.40 | kJ/mol | Joback Calculated Property |
| log10WS | -1.95 | Crippen Calculated Property | |
| logPoct/wat | 2.051 | Crippen Calculated Property | |
| McVol | 129.450 | ml/mol | McGowan Calculated Property |
| Pc | 2868.87 | kPa | Joback Calculated Property |
| I | [1326.00; 1326.00] |
|
|
| I | 1326.00 | NIST | |
| I | 1326.00 | NIST | |
| I | 1326.00 | NIST | |
| Tboil | [438.15; 439.40] | K |
|
| Tboil | 438.15 ± 3.00 | K | NIST |
| Tboil | 439.15 ± 3.00 | K | NIST |
| Tboil | 439.40 ± 3.00 | K | NIST |
| Tc | 643.32 | K | Joback Calculated Property |
| Tfus | 228.16 | K | Joback Calculated Property |
| Vc | 0.485 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [292.99; 361.48] | J/mol×K | [470.95; 643.32] |
|
| Cp,gas | 292.99 | J/mol×K | 470.95 | Joback Calculated Property |
| Cp,gas | 305.85 | J/mol×K | 499.68 | Joback Calculated Property |
| Cp,gas | 318.10 | J/mol×K | 528.41 | Joback Calculated Property |
| Cp,gas | 329.77 | J/mol×K | 557.13 | Joback Calculated Property |
| Cp,gas | 340.87 | J/mol×K | 585.86 | Joback Calculated Property |
| Cp,gas | 351.43 | J/mol×K | 614.59 | Joback Calculated Property |
| Cp,gas | 361.48 | J/mol×K | 643.32 | Joback Calculated Property |
| η | [0.0001719; 0.1736472] | Pa×s | [228.16; 470.95] |
|
| η | 0.1736472 | Pa×s | 228.16 | Joback Calculated Property |
| η | 0.0230030 | Pa×s | 268.62 | Joback Calculated Property |
| η | 0.0051732 | Pa×s | 309.09 | Joback Calculated Property |
| η | 0.0016435 | Pa×s | 349.55 | Joback Calculated Property |
| η | 0.0006624 | Pa×s | 390.02 | Joback Calculated Property |
| η | 0.0003167 | Pa×s | 430.49 | Joback Calculated Property |
| η | 0.0001719 | Pa×s | 470.95 | Joback Calculated Property |
| ΔvapH | [54.20; 60.60] | kJ/mol | [328.00; 399.00] |
|
| ΔvapH | 60.60 ± 0.10 | kJ/mol | 328.00 | NIST |
| ΔvapH | 58.60 ± 0.10 | kJ/mol | 343.00 | NIST |
| ΔvapH | 56.50 ± 0.10 | kJ/mol | 358.00 | NIST |
| ΔvapH | 54.70 | kJ/mol | 387.00 | NIST |
| ΔvapH | 54.20 | kJ/mol | 399.00 | NIST |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.65] | kPa | [336.48; 462.04] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.60428e+01 | |||
| Coefficient B | -4.22553e+03 | |||
| Coefficient C | -6.82830e+01 | |||
| Temperature range, min. | 336.48 | |||
| Temperature range, max. | 462.04 | |||
| Pvap | 1.33 | kPa | 336.48 | Calculated Property |
| Pvap | 2.91 | kPa | 350.43 | Calculated Property |
| Pvap | 5.88 | kPa | 364.38 | Calculated Property |
| Pvap | 11.18 | kPa | 378.33 | Calculated Property |
| Pvap | 20.11 | kPa | 392.28 | Calculated Property |
| Pvap | 34.45 | kPa | 406.24 | Calculated Property |
| Pvap | 56.55 | kPa | 420.19 | Calculated Property |
| Pvap | 89.39 | kPa | 434.14 | Calculated Property |
| Pvap | 136.63 | kPa | 448.09 | Calculated Property |
| Pvap | 202.65 | kPa | 462.04 | Calculated Property |
Similar Compounds
Find more compounds similar to 1-Pentanol, 2,2,4-trimethyl-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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