- InChI
- InChI=1S/C4H9NO2/c1-3(2-5)4(6)7/h3H,2,5H2,1H3,(H,6,7)
- InChI Key
- QCHPKSFMDHPSNR-UHFFFAOYSA-N
- Formula
- C4H9NO2
- SMILES
- CC(CN)C(=O)O
- Molecular Weight1
- 103.12
- CAS
- 10569-72-9
- Other Names
-
- .alpha.-methyl-.beta.-alanine
- .beta.-aminoisobutyric acid
- 2-(aminomethyl)propionic acid
- 2-methyl-.beta.-alanine
- 2-methyl-3-aminopropionic acid
- 3-Amino-2-methylpropanoic acid
- 3-amino-2-methylpropionic acid
- 3-aminoisobutyric acid
- DL-Beta-aminoisobutyric acid
- dl-3-Amino-2-methylpropionic acid
- dl-3-Aminoisobutyric acid
- dl-«beta»-Aminoisobutyric acid
- «beta»-Aminoisobutyric acid
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- 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).
- 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).
- 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° | -218.93 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -362.19 | kJ/mol | Joback Calculated Property |
| ΔfusH° | 13.48 | kJ/mol | Joback Calculated Property |
| ΔvapH° | 58.18 | kJ/mol | Joback Calculated Property |
| log10WS | 0.21 | Crippen Calculated Property | |
| logPoct/wat | -0.334 | Crippen Calculated Property | |
| McVol | 84.640 | ml/mol | McGowan Calculated Property |
| Pc | 5235.81 | kPa | Joback Calculated Property |
| Tboil | 509.06 | K | Joback Calculated Property |
| Tc | 698.51 | K | Joback Calculated Property |
| Tfus | 313.85 | K | Joback Calculated Property |
| Vc | 0.307 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [190.62; 229.60] | J/mol×K | [509.06; 698.51] | 
|
| Cp,gas | 190.62 | J/mol×K | 509.06 | Joback Calculated Property |
| Cp,gas | 197.96 | J/mol×K | 540.64 | Joback Calculated Property |
| Cp,gas | 204.95 | J/mol×K | 572.21 | Joback Calculated Property |
| Cp,gas | 211.60 | J/mol×K | 603.79 | Joback Calculated Property |
| Cp,gas | 217.92 | J/mol×K | 635.36 | Joback Calculated Property |
| Cp,gas | 223.92 | J/mol×K | 666.94 | Joback Calculated Property |
| Cp,gas | 229.60 | J/mol×K | 698.51 | Joback Calculated Property |
Similar Compounds
Find more compounds similar to Propanoic acid, 3-amino-2-methyl-.
Mixtures
Sources
- Crippen Method
- Crippen Method
- Binary Diffusion Coefficients of Aqueous Phenylalanine, Tyrosine Isomers, and Aminobutyric Acids at Infinitesimal Concentration and Temperatures from (293.2 to 333.2) K
- Joback Method
- McGowan Method
- NIST Webbook
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