Food safety and quality: details

Flavouring	3-Butenyl isothiocyanate
Synonym(s)
Latest JECFA evaluation	2008 (Session 69)
Status of specification	Full
Information required
Chemical name	4-Isothiocyanato-1-butene
JECFA number	1889
CAS number	3386-97-8
FEMA number	4418
COE number
FLAVIS number	12.283
Molecular weight	113.2
Chemical formula	C5H7NS
Physical form/odour	Colourless liquid; Penetrating aroma
Solubility	Very slightly soluble in water; freely soluble in ether
Solubility in ethanol	Soluble
Boiling point (°C)	75-77° (14 mm Hg)
Assay min %	97%
Acid value max
Refractive index	1.520-1.526
Specific gravity	0.990-0.996 (20°)
Other requirements
ID Test	MS
Spectrum