Food safety and quality: details

Flavouring	3-Octen-2-one
Synonym(s)	Methyl hexenyl ketone
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	Oct-3-en-2-one
JECFA number	1128
CAS number	1669-44-9
FEMA number	3416
COE number	11170
FLAVIS number
Molecular weight	126.19
Chemical formula	C8H14O
Physical form/odour	Colourless liquid; earthy, fruity blueberry note
Solubility	insoluble in water ; soluble in oil
Solubility in ethanol	Miscible at room temperature
Boiling point (°C)	75-79° (20 mm Hg)
Assay min %	94%
Acid value max
Refractive index	1.445-1.449
Specific gravity	0.834-0.839
Other requirements	SC: 4-Octen-2-one
ID Test	NMR
Spectrum