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Online Edition: "Specifications for Flavourings"

Flavouring 3-Methylthiopropyl isothiocyanate
Synonym(s) 3-Methylmercaptopropyl isothiocyanate
Latest JECFA evaluation 2005 (Session 65)
Status of specification Full
Chemical name 3-(Methylthio)propyl isothiocyanate
JECFA number 1564
CAS number 505-79-3
FEMA number 3312
COE number
FLAVIS number 12.030
Molecular weight 147.26
Chemical formula C5H9NS2
Physical form/odour Colourless to yellow liquid; Raddish-like, irritating aroma
Solubility Insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 254°
Assay min % 98%
Acid value max 1
Refractive index 1.560-1.566
Specific gravity 1.099-1.105
Other requirements