Food safety and quality: details

Flavouring	cis-3-Hexenyl acetoacetate
Synonym(s)	Butanoic acid, 3-oxo-, (3Z)-3-hexenyl ester
Latest JECFA evaluation	2010 (Session 73)
Status of specification	Full
Information required
Chemical name	(Z)-hex-3-en-1-yl 3-oxobutanoate
JECFA number	1974
CAS number	84434-20-8
FEMA number	4489
COE number
FLAVIS number
Molecular weight	184.23
Chemical formula	C10H16O3
Physical form/odour	Clear colourless liquid; Earthy green floral aroma
Solubility	Practically insoluble or insoluble in water
Solubility in ethanol	Soluble
Boiling point (°C)	254-255°
Assay min %	93%
Acid value max
Refractive index	1.445-1.455
Specific gravity	0.980-0.990 (20°)
Other requirements	SC: 2-3% cis-3-Hexenol
ID Test	HNMR IR MS
Spectrum