Food safety and quality: details

Flavouring	Ethyl propyl trisulfide
Synonym(s)	3,4,5-Trithianonane
Latest JECFA evaluation	2007 (Session 68)
Status of specification	Full
Information required
Chemical name	Ethyl propyl trisulfide
JECFA number	1695
CAS number	31499-70-4
FEMA number	4042
COE number
FLAVIS number	12.256
Molecular weight	168.35
Chemical formula	C5H12S3
Physical form/odour	Clear, pale yellow liquid; Spicy, herb-like aroma
Solubility	Soluble in non-polar solvents; insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	234-237°
Assay min %	98% (sum of three components)
Acid value max
Refractive index	1.544-1.559
Specific gravity	1.071-1.083 (20°)
Other requirements	Contains 48-50% ethyl propyl trisulfide, 20-30% diethyl trisulfide and 20-30% dipropyl trisulfide
ID Test	HNMR IR MS
Spectrum