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Online Edition: "Specifications for Flavourings"

Flavouring Methyl propyl trisulfide
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
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 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