Food safety and quality: details

Flavouring	Methylthio 2-(acetyloxy)propionate
Synonym(s)	Acetyllactic acid thiomethyl ester
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	S-Methyl 2-(acetyloxy)propanethioate
JECFA number	492
CAS number	74586-09-7
FEMA number	3788
COE number
FLAVIS number
Molecular weight	162.2
Chemical formula	C6H10O3S
Physical form/odour	colourless to pale pink liquid
Solubility	slightly soluble in water; soluble in fats
Solubility in ethanol
Boiling point (°C)	73° (8.5mm Hg)
Assay min %	98%
Acid value max
Refractive index	1.464-1.475
Specific gravity	1.127-1.131 (20°)
Other requirements
ID Test	HNMR, IR
Spectrum