Food safety and quality: details

Flavouring	Methylthio 2-(propionyloxy) propionate
Synonym(s)	Propionyllactic acid thiomethyl ester
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	S-Methyl 2-(propionyloxy)propanethioate
JECFA number	493
CAS number	827024-53-3
FEMA number	3790
COE number
FLAVIS number
Molecular weight	176.23
Chemical formula	C7H12O3S
Physical form/odour	colourless to pale pink liquid
Solubility	slightly soluble in water; soluble in fats
Solubility in ethanol
Boiling point (°C)	76° (4.5 mm Hg)
Assay min %	98%
Acid value max
Refractive index	1.464-1.474
Specific gravity	1.096-1.100 (20°)
Other requirements
ID Test	NMR, MS, IR
Spectrum