- InChI
- InChI=1S/C4H10O2/c1-4(2,6)3-5/h5-6H,3H2,1-2H3
- InChI Key
- BTVWZWFKMIUSGS-UHFFFAOYSA-N
- Formula
- C4H10O2
- SMILES
- CC(C)(O)CO
- Molecular Weight1
- 90.12
- CAS
- 558-43-0
- Other Names
-
- 2-Methyl-1,2-propanediol
- 2-methylpropane-1,2-diol
- ΔcH°liquid : Standard liquid enthalpy of combustion (kJ/mol).
- 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).
- ΔfH°liquid : Liquid phase 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).
- 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 |
|---|---|---|---|
| ΔcH°liquid | -2464.00 | kJ/mol | NIST |
| ΔfG° | -288.00 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -439.10 | kJ/mol | Joback Calculated Property |
| ΔfH°liquid | -540.00 | kJ/mol | NIST |
| ΔfusH° | 6.88 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 56.56 | kJ/mol | Joback Calculated Property |
| log10WS | -0.14 | Crippen Calculated Property | |
| logPoct/wat | -0.250 | Crippen Calculated Property | |
| McVol | 78.960 | ml/mol | McGowan Calculated Property |
| Pc | 5109.34 | kPa | Joback Calculated Property |
| Inp | [718.00; 816.00] |
|
|
| Inp | 718.00 | NIST | |
| Inp | 816.00 | NIST | |
| Inp | 816.00 | NIST | |
| Inp | 718.00 | NIST | |
| Tboil | [450.15; 451.15] | K |
|
| Tboil | 451.15 ± 2.00 | K | NIST |
| Tboil | 450.65 ± 2.00 | K | NIST |
| Tboil | 450.15 ± 3.00 | K | NIST |
| Tc | 639.52 | K | Joback Calculated Property |
| Tfus | 258.90 | K | Joback Calculated Property |
| Vc | 0.286 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [176.47; 213.84] | J/mol×K | [472.05; 639.52] |
|
| Cp,gas | 176.47 | J/mol×K | 472.05 | Joback Calculated Property |
| Cp,gas | 183.56 | J/mol×K | 499.96 | Joback Calculated Property |
| Cp,gas | 190.28 | J/mol×K | 527.87 | Joback Calculated Property |
| Cp,gas | 196.65 | J/mol×K | 555.79 | Joback Calculated Property |
| Cp,gas | 202.69 | J/mol×K | 583.70 | Joback Calculated Property |
| Cp,gas | 208.41 | J/mol×K | 611.61 | Joback Calculated Property |
| Cp,gas | 213.84 | J/mol×K | 639.52 | Joback Calculated Property |
| η | [0.0001372; 0.2785684] | Pa×s | [258.90; 472.05] |
|
| η | 0.2785684 | Pa×s | 258.90 | Joback Calculated Property |
| η | 0.0363990 | Pa×s | 294.42 | Joback Calculated Property |
| η | 0.0073717 | Pa×s | 329.95 | Joback Calculated Property |
| η | 0.0020364 | Pa×s | 365.47 | Joback Calculated Property |
| η | 0.0007066 | Pa×s | 401.00 | Joback Calculated Property |
| η | 0.0002913 | Pa×s | 436.52 | Joback Calculated Property |
| η | 0.0001372 | Pa×s | 472.05 | Joback Calculated Property |
Correlations
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Pvap | [1.33; 202.63] | kPa | [347.92; 475.14] |
The Yaw...
|
| Equation | ln(Pvp) = A + B/(T + C) | |||
| Coefficient A | 1.64216e+01 | |||
| Coefficient B | -4.53931e+03 | |||
| Coefficient C | -6.65700e+01 | |||
| Temperature range, min. | 347.92 | |||
| Temperature range, max. | 475.14 | |||
| Pvap | 1.33 | kPa | 347.92 | Calculated Property |
| Pvap | 2.88 | kPa | 362.06 | Calculated Property |
| Pvap | 5.82 | kPa | 376.19 | Calculated Property |
| Pvap | 11.03 | kPa | 390.33 | Calculated Property |
| Pvap | 19.83 | kPa | 404.46 | Calculated Property |
| Pvap | 34.02 | kPa | 418.60 | Calculated Property |
| Pvap | 55.96 | kPa | 432.73 | Calculated Property |
| Pvap | 88.72 | kPa | 446.87 | Calculated Property |
| Pvap | 136.08 | kPa | 461.00 | Calculated Property |
| Pvap | 202.63 | kPa | 475.14 | Calculated Property |
Similar Compounds
Find more compounds similar to 1,2-Propanediol, 2-methyl-.
Sources
- Crippen Method
- Crippen Method
- Joback Method
- McGowan Method
- NIST Webbook
- The Yaws Handbook of Vapor Pressure
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