- InChI
- InChI=1S/C4H8O3/c1-4(2,7)3(5)6/h7H,1-2H3,(H,5,6)
- InChI Key
- BWLBGMIXKSTLSX-UHFFFAOYSA-N
- Formula
- C4H8O3
- SMILES
- CC(C)(O)C(=O)O
- Molecular Weight1
- 104.10
- CAS
- 594-61-6
- Other Names
-
- (CH3)2COHCOOH
- 2-Hydroxy-2-methylpropionic acid
- 2-hydroxy-2-methylpropanoic acid
- 2-hydroxyisobutyric acid
- 2-methyllactic acid
- Acetonic acid
- Hydroxydimethylacetic acid
- Lactic acid, 2-methyl-
- NSC 402158
- NSC 4505
- Propanoic acid, 2-methyl-2-hydroxy-
- «alpha»-Hydroxyisobutanoic acid
- «alpha»-Hydroxyisobutyric acid
- 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).
- 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).
- ρs : Solid Density (kg/m3).
- I : Polar retention indices.
- Tboil : Normal Boiling Point Temperature (K).
- Tboilr : Boiling point at reduced pressure (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° | -416.92 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -551.68 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 8.48 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 63.31 | kJ/mol | Joback Calculated Property |
| IE | 10.90 ± 0.10 | eV | NIST |
| log10WS | 0.03 | Crippen Calculated Property | |
| logPoct/wat | -0.158 | Crippen Calculated Property | |
| McVol | 80.530 | ml/mol | McGowan Calculated Property |
| Pc | 5602.57 | kPa | Joback Calculated Property |
| I | [1918.00; 1918.00] |
|
|
| I | 1918.00 | NIST | |
| I | 1918.00 | NIST | |
| Tboil | 485.20 | K | NIST |
| Tc | 702.65 | K | Joback Calculated Property |
| Tfus | 354.00 ± 3.00 | K | NIST |
| Vc | 0.292 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [186.31; 218.87] | J/mol×K | [525.92; 702.65] |
|
| Cp,gas | 186.31 | J/mol×K | 525.92 | Joback Calculated Property |
| Cp,gas | 192.59 | J/mol×K | 555.38 | Joback Calculated Property |
| Cp,gas | 198.50 | J/mol×K | 584.83 | Joback Calculated Property |
| Cp,gas | 204.06 | J/mol×K | 614.29 | Joback Calculated Property |
| Cp,gas | 209.30 | J/mol×K | 643.74 | Joback Calculated Property |
| Cp,gas | 214.23 | J/mol×K | 673.20 | Joback Calculated Property |
| Cp,gas | 218.87 | J/mol×K | 702.65 | Joback Calculated Property |
| η | [0.0000844; 0.0401709] | Pa×s | [308.83; 525.92] |
|
| η | 0.0401709 | Pa×s | 308.83 | Joback Calculated Property |
| η | 0.0083870 | Pa×s | 345.01 | Joback Calculated Property |
| η | 0.0023575 | Pa×s | 381.19 | Joback Calculated Property |
| η | 0.0008258 | Pa×s | 417.38 | Joback Calculated Property |
| η | 0.0003419 | Pa×s | 453.56 | Joback Calculated Property |
| η | 0.0001613 | Pa×s | 489.74 | Joback Calculated Property |
| η | 0.0000844 | Pa×s | 525.92 | Joback Calculated Property |
| ΔvapH | 67.50 | kJ/mol | 428.00 | NIST |
| ρs | 1240.00 | kg/m3 | 293.00 | Thermod... |
Pressure Dependent Properties
| Property | Value | Unit | Pressure (kPa) | Source |
|---|---|---|---|---|
| Tboilr | 357.20 | K | 0.10 | NIST |
Similar Compounds
Find more compounds similar to Propanoic acid, 2-hydroxy-2-methyl-.
Sources
- Crippen Method
- Crippen Method
- Thermodynamic properties of 2-methyl lactic acid
- Joback Method
- McGowan Method
- NIST Webbook
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