| Met | |
|---|---|
| Molecular structure via molpic based on CDK |
| Physical properties [] | |
|---|---|
| Molecular mass | 149.21 g/mol [1] |
| Density | 1.178 at 68 °F (NTP, 1992) - Denser than water; will sink g/cm3 [1] |
| Appearance | Minute hexagonal plates from dilute alcohol [1] |
| Odor | Faint [1] |
| Taste | Sulfurous [1] |
| Melting point | 536 to 540 °F decomposes 541.4-543.2 °F (NTP, 1992) [1] |
| Boiling point | sublimes at 367 °F (NTP, 1992) [1] |
| Decomposition | When heated to decomposition it emits very toxic fumes of /nitric oxide/ and /sulfur oxide/. [1] |
| Solubility | Soluble (NTP, 1992) [1] |
| Predicted LogP | -1.9 [1] |
| Structural Identifiers [] | |
|---|---|
| Molecular formula | C5H11NO2S [1] |
| IUPAC name | (2S)-2-amino-4-methylsulfanylbutanoic acid [1] |
| SMILES | CSCC[C@@H](C(=O)O)N [1] |
| InChI | InChI=1S/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1 [1] |
| InChIKey | FFEARJCKVFRZRR-BYPYZUCNSA-N [1] |
Methionine
Methionine is a
Chemistry
Stereochemistry []
Methionine is a absolute mixture
See also []
External links []
References []
National Center for Biotechnology Information. PubChem Compound Summary for CID 6137, L-Methionine. Accessed December 19, 2025. https://pubchem.ncbi.nlm.nih.gov/compound/6137
U.S. Food and Drug Administration; National Center for Advancing Translational Sciences. Methionine. UNII: AE28F7PNPL. Global Substance Registration System. Accessed December 19, 2025. https://gsrs.ncats.nih.gov/ginas/app/beta/substances/AE28F7PNPL
Anodyne