Food safety and quality: details

Flavouring	Methyl propyl trisulfide
Synonym(s)
Latest JECFA evaluation	2000 (Session 55)
Status of specification	Full
Information required
Chemical name	Methyl propyl trisulfide
JECFA number	584
CAS number	17619-36-2
FEMA number	3308
COE number	586
FLAVIS number
Molecular weight	154.3
Chemical formula	C4H10S3
Physical form/odour	Pale yellow, mobile liquid with powerful, penetrating, warm, herbaceous odour somewhat reminiscent of onion
Solubility
Solubility in ethanol
Boiling point (°C)	52° (1.2 mm Hg)
Assay min %	45%
Acid value max
Refractive index	1.558-1.570
Specific gravity	1.095-1.101
Other requirements	Also contains min. 25% dipropyl trisulfide, 12% dipropyl disulfide, 14% dimethyl disulfide, 3% methyl propyl sulfide
ID Test	IR
Spectrum