- InChI
- InChI=1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m1/s1
- InChI Key
- QNAYBMKLOCPYGJ-UWTATZPHSA-N
- Formula
- C3H7NO2
- SMILES
- CC(N)C(=O)O
- Molecular Weight1
- 89.09
- CAS
- 56-41-7
- Other Names
-
- (R)-(-)-alanine
- (R)-2-aminopropanoic acid
- (S)-2-Aminopropanoic acid
- (S)-Alanine
- 2-Aminopropanoic acid
- 2-Aminopropanoic acid, L-
- 2-Aminopropionic acid
- ALPHA-ALANINE
- ALPHA-AMINOPROPIONIC ACID
- Ala
- Alanine, L-
- D-2-aminopropanoic acid
- D-alanine
- L-(+)-Alanine
- L-2-Aminopropanoic acid
- L-2-Aminopropionic acid
- L-Alanine
- L-CH3CH(NH2)COOH
- L-«alpha»-Alanine
- L-«alpha»-Aminopropionic acid
- L-«alpha»-Alanine
- L-«alpha»-Aminopropionic acid
- NSC 206315
- Propanoic acid, 2-amino-
- Propanoic acid, 2-amino-, (S)-
- Ritalanine
- propanoic acid, D-2-amino-
- «alpha»-Alanine
- «alpha»-Aminopropionic acid
- «alpha»-Alanine
- «alpha»-Aminopropionic acid
- PAff : Proton affinity (kJ/mol).
- BasG : Gas basicity (kJ/mol).
- ΔcH°solid : Standard solid enthalpy of combustion (kJ/mol).
- Cp,gas : Ideal gas heat capacity (J/mol×K).
- Cp,solid : Solid phase heat capacity (J/mol×K).
- ΔfG° : Standard Gibbs free energy of formation (kJ/mol).
- ΔfH°gas : Enthalpy of formation at standard conditions (kJ/mol).
- ΔfH°solid : Solid phase enthalpy of formation at standard conditions (kJ/mol).
- ΔfusH° : Enthalpy of fusion at standard conditions (kJ/mol).
- ΔsubH° : Enthalpy of sublimation 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).
- S°solid,1 bar : Solid phase molar entropy at standard conditions (J/mol×K).
- 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 |
|---|---|---|---|
| PAff | [894.50; 902.00] | kJ/mol |
|
| PAff | 901.60 | kJ/mol | NIST |
| PAff | 894.50 ± 0.40 | kJ/mol | NIST |
| PAff | 902.00 ± 4.00 | kJ/mol | NIST |
| BasG | [863.60; 867.70] | kJ/mol |
|
| BasG | 867.70 | kJ/mol | NIST |
| BasG | 865.40 ± 0.40 | kJ/mol | NIST |
| BasG | 864.00 ± 6.30 | kJ/mol | NIST |
| BasG | 863.60 ± 6.70 | kJ/mol | NIST |
| ΔcH°solid | [-1634.10; -1577.00] | kJ/mol |
|
| ΔcH°solid | -1621.00 ± 1.70 | kJ/mol | NIST |
| ΔcH°solid | -1621.45 ± 0.48 | kJ/mol | NIST |
| ΔcH°solid | -1577.00 ± 2.00 | kJ/mol | NIST |
| ΔcH°solid | -1634.10 | kJ/mol | NIST |
| ΔfG° | -227.35 | kJ/mol | Joback Calculated Property |
| ΔfH°gas | -414.70 ± 4.20 | kJ/mol | NIST |
| ΔfH°solid | [-562.70; -559.48] | kJ/mol |
|
| ΔfH°solid | -560.00 ± 1.70 | kJ/mol | NIST |
| ΔfH°solid | -559.48 | kJ/mol | NIST |
| ΔfH°solid | -562.70 | kJ/mol | NIST |
| ΔfusH° | 10.89 | kJ/mol | Joback Calculated Property |
| ΔsubH° | [144.80; 144.80] | kJ/mol |
|
| ΔsubH° | 144.80 ± 4.20 | kJ/mol | NIST |
| ΔsubH° | 144.80 ± 4.20 | kJ/mol | NIST |
| ΔvapH° | 55.95 | kJ/mol | Joback Calculated Property |
| IE | [8.80; 9.63] | eV |
|
| IE | 8.88 | eV | NIST |
| IE | 8.88 | eV | NIST |
| IE | 8.80 | eV | NIST |
| IE | 9.63 | eV | NIST |
| log10WS | 0.27 | Aq. Sol... | |
| logPoct/wat | -0.582 | Crippen Calculated Property | |
| McVol | 70.550 | ml/mol | McGowan Calculated Property |
| Pc | 6046.69 | kPa | Joback Calculated Property |
| S°solid,1 bar | [118.80; 129.21] | J/mol×K |
|
| S°solid,1 bar | 129.21 | J/mol×K | NIST |
| S°solid,1 bar | 118.80 | J/mol×K | NIST |
| Tboil | 486.18 | K | Joback Calculated Property |
| Tc | 677.88 | K | Joback Calculated Property |
| Tfus | 555.82 | K | Aq. Sol... |
| Vc | 0.252 | m3/kmol | Joback Calculated Property |
Temperature Dependent Properties
| Property | Value | Unit | Temperature (K) | Source |
|---|---|---|---|---|
| Cp,gas | [151.30; 183.73] | J/mol×K | [486.18; 677.88] |
|
| Cp,gas | 151.30 | J/mol×K | 486.18 | Joback Calculated Property |
| Cp,gas | 157.40 | J/mol×K | 518.13 | Joback Calculated Property |
| Cp,gas | 163.22 | J/mol×K | 550.08 | Joback Calculated Property |
| Cp,gas | 168.75 | J/mol×K | 582.03 | Joback Calculated Property |
| Cp,gas | 174.01 | J/mol×K | 613.98 | Joback Calculated Property |
| Cp,gas | 179.00 | J/mol×K | 645.93 | Joback Calculated Property |
| Cp,gas | 183.73 | J/mol×K | 677.88 | Joback Calculated Property |
| Cp,solid | [115.00; 122.26] | J/mol×K | [298.00; 298.15] |
|
| Cp,solid | 115.00 | J/mol×K | 298.00 | NIST |
| Cp,solid | 115.20 | J/mol×K | 298.00 | NIST |
| Cp,solid | 122.26 | J/mol×K | 298.15 | NIST |
| ΔsubH | [132.40; 138.00] | kJ/mol | [414.00; 455.00] |
|
| ΔsubH | 133.00 ± 1.00 | kJ/mol | 414.00 | NIST |
| ΔsubH | 132.40 ± 1.30 | kJ/mol | 431.50 | NIST |
| ΔsubH | 138.00 ± 0.80 | kJ/mol | 455.00 | NIST |
Similar Compounds
Find more compounds similar to Alanine.
Mixtures
Sources
- Crippen Method
- Activity coefficients of glycine, d-alanine and l-valine in aqueous solutions containing MgSO4 at 298.15 K; experimental determination and correlation
- Temperature Dependences and Enthalpic Discrimination of Homochiral Pairwise Interactions of Six a-Amino Acid Enantiomers in Pure Water
- Joback Method
- KDB
- Aqueous Solubility Prediction Method
- McGowan Method
- NIST Webbook
Note: Cheméo is only indexing the data, follow the source links to retrieve the latest data. The source is also providing more information like the publication year, authors and more. Take the time to validate and double check the source of the data.