Food safety and quality: details

Flavouring	3-(Methylthio)propyl mercaptoacetate (Safety evaluation not completed)
Synonym(s)	Acetic acid, mercapto-, 3-(methylthio)propyl ester
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	3-(methylthio)propyl 2-mercaptoacetate
JECFA number	1914
CAS number	852997-30-9
FEMA number	4561
COE number
FLAVIS number
Molecular weight	180.29
Chemical formula	C6H12O2S2
Physical form/odour	Clear colourless to yellow liquid; Strong sweet onion-like aroma
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	109-111°
Assay min %	97%
Acid value max	1
Refractive index	1.515-1.521
Specific gravity	1.160-1.166 (20°)
Other requirements	Safety evaluation not completed
ID Test	HNMR IR MS
Spectrum