Food safety and quality: details

Flavouring	Methyl 1-propenyl sulfide
Synonym(s)	1-Propene, 1-(methylthio)-
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	Mixture of (Z)-methyl(prop-1-en-1-yl)sulfane and (E)-methyl(prop-1-en-1-yl)sulfane
JECFA number	1910
CAS number	10152-77-9
FEMA number	4574
COE number	11538
FLAVIS number	12.136
Molecular weight	88.17
Chemical formula	C4H8S
Physical form/odour	Clear to pale yellow liquid; Acrid strong garlic-like aroma
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	102° (957 mm Hg)
Assay min %	95% (isomeric mixture)
Acid value max
Refractive index	1.479-1.489
Specific gravity	0.887-0.893 (20°)
Other requirements	Mixture of isomers: 53% Z; 46% E
ID Test	MS
Spectrum