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Online Edition: "Specifications for Flavourings"

Flavouring Butyl isothiocyanate
Synonym(s) Butyl mustard oil
Latest JECFA evaluation 2005 (Session 65)
Status of specification Full
Chemical name Butyl isothiocyanate
JECFA number 1561
CAS number 592-82-5
FEMA number 4082
COE number
FLAVIS number 12.107
Molecular weight 115.2
Chemical formula C5H9NS
Physical form/odour Yellowish liquid; Strong irritating green aroma
Solubility Insoluble in water
Solubility in ethanol Soluble
Boiling point (°C) 167°
Assay min % 95%
Acid value max 1
Refractive index 1.492-1.498
Specific gravity 0.952-0.958
Other requirements