- InChI
- InChI=1S/C4H9NO2/c1-2-3(5)4(6)7/h3H,2,5H2,1H3,(H,6,7)/t3-/m1/s1
- InChI Key
- QWCKQJZIFLGMSD-GSVOUGTGSA-N
- Formula
- C4H9NO2
- SMILES
- CCC([NH3+])C(=O)[O-]
- Molecular Weight1
- 103.12
- CAS
- 1492-24-6
- Other Names
-
- Butyric acid, 2-amino-, L-
- L-«alpha»-Amino-n-butyric acid
- L-«alpha»-Aminobutyrate
- L-«alpha»-Aminobutyric acid
- L-Butyrine
- L-2-Aminobutyric acid
- L-2-Aminobutanoic acid
- (-)-2-aminobutyric acid
- S 2-aminobutyric acid
- ω : Acentric Factor.
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔsubH : Enthalpy of sublimation at a given temperature (kJ/mol).
- ΔvapH° : Enthalpy of vaporization at standard conditions (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).
- 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 | 0.4185 | Relay (... Calculated Property | |
| ΔfG° | -157.85 | kJ/mol | Relay (... Calculated Property ⚠️ |
| ΔfH°gas | -414.28 | kJ/mol | Relay (... Calculated Property |
| ΔvapH° | 47.62 | kJ/mol | Relay (... Calculated Property |
| IE | 9.79 | eV | Relay (... Calculated Property |
| log10WS | 0.03 | Relay (... Calculated Property | |
| logPoct/wat | -2.243 | Crippen Calculated Property | |
| McVol | 84.640 | ml/mol | McGowan Calculated Property |
| Pc | 3618.88 | kPa | Relay (... Calculated Property ⚠️ |
| Tboil | 391.41 | K | Relay (... Calculated Property |
| Tc | 591.32 | K | Relay (... Calculated Property |
| Tfus | 310.79 | K | Relay (... Calculated Property |
| Vc | 0.286 | m3/kmol | Relay (... Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| ΔsubH | [162.50; 162.80] | kJ/mol | [455.00; 455.50] | 
|
| ΔsubH | 162.80 ± 0.80 | kJ/mol | 455.00 | NIST |
| ΔsubH | 162.50 | kJ/mol | 455.50 | NIST |
Similar Compounds
Find more compounds similar to Butanoic acid, 2-amino-, (S)-.
Sources
- Cheméo Relay (1.0)
- Cheméo Relay (1.0, beta) ⚠️ Beta: served but experimental, data-limited and below our cross-validation release bar; the Joback value is recommended where available.
- Crippen Method
- Crippen Method
- McGowan Method
- NIST Webbook
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