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Flavouring	DL-Methionine
Synonym(s)	2-Amino-4-(methylthio)butanoic acid DL-2-Amino-4-(methylthio)butyric acid 2-Amino-g-(methylthio)butyric acid
Latest JECFA evaluation	2004 (Session 63)
Status of specification	Full
Chemical name	2-Amino-4-(methylthio)butaoic acid
JECFA number	1424
CAS number	59-51-8
FEMA number	3301
COE number	-
FLAVIS number	17.014
Molecular weight	149.21
Chemical formula	C₅H₁₁O₂NS
Physical form/odour	White crystalline platelets or powder; Characteristic aroma
Solubility	Soluble in water; Insoluble in ether
Solubility in ethanol	Soluble
Boiling point (°C)	-
Assay min %	98%
Acid value max	-
Refractive index	-
Specific gravity	-
Other requirements	mp: 281°
ID Test	MS
Spectrum	http://www.fao.org/ag/agn/jecfa-flav/img/img/1424.gif

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