Food safety and quality: details

Flavouring	2-Methyltetrahydrothiophen-3-one
Synonym(s)	2-Methyl-4,5-dihydro-3(2H)thio-phenone
Latest JECFA evaluation	2000 (Session 55)
Status of specification	Full
Information required
Chemical name	4,5-Dihydro-2-methyl-3(2H)-thiophenone
JECFA number	499
CAS number	13679-85-1
FEMA number	3512
COE number	11601
FLAVIS number
Molecular weight	116.18
Chemical formula	C5H8OS
Physical form/odour
Solubility	insoluble in water; soluble in alcohol, fats
Solubility in ethanol
Boiling point (°C)	64-65° (11 mm Hg)
Assay min %	99%
Acid value max
Refractive index	1.510-1.520
Specific gravity	0.958-0.970
Other requirements
ID Test	IR
Spectrum