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Online Edition: "Specifications for Flavourings"

Flavouring Ethyl isothiocyanate
Latest JECFA evaluation 2008 (Session 69)
Status of specification Full
Chemical name Isothiocyanatoethane
JECFA number 1885
CAS number 542-85-8
FEMA number 4420
COE number
FLAVIS number
Molecular weight 87.14
Chemical formula C3H5NS
Physical form/odour Colourless liquid; Sharp mustard-like aroma
Solubility Very slightly soluble in water; freely soluble in ether
Solubility in ethanol Soluble
Boiling point (°C) 130-132°
Assay min % 99%
Acid value max
Refractive index 1.510-1.515
Specific gravity 0.997-1.004
Other requirements
ID Test MS