Methionine (data page)

The complete data for Methionine ( v )
	General information Chemical formula: C5H11NO2S  Molar mass: 149.21 g·mol−1 Systematic name: (S)2-amino-4-methylsulfanyl-butanoic acid Abbreviations: M, Met Synonyms: ?
Database data
SMILES: CSCCC(C(=O)O)N InChI=InChI=1/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/f/h7H (L) 1/C5H11NO2S/c1-9-3-2-4(6)5(7)8/h4H,2-3,6H2,1H3,(H,7,8)/t4-/m0/s1/f/h7H (D)  ATC: N/A  CAS: 63-68-3  DrugBank: N/A  EINECS: 200-562-9a  PubChem: 876 (D) a, 6137 (L)a
Physical properties
Structure Crystal data Spectral data UV-Vis IR NMR MS Phase behavior Solid properties ρsolid: 1.340 g.cm−3 Tm: 281 °C Liquid properties Gas properties
Hazard properties
MSDS N/A Main hazards: - N/A NFPA 704 Flash point - N/A RTECS number: N/A
Chemical properties
XLogP: -2.308 pI: 5.74 pKa: 2.16, 9.08 Tautomers: Hydrogen bond: donor - 2;  acceptor - 3
Pharmacological properties

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• Except where noted otherwise, data relate to Standard temperature and pressure.
• Reliability of data general note.

References

1. ^a 63-68-3 EINECS for L-Methionine
2. ^a CID 876 from PubChem
3. ^a CID 6137 from PubChem