Food safety and quality: details

Flavouring	(E)-6-Methyl-3-hepten-2-one
Synonym(s)	trans-6-Methylhept-3-en-2-one
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	(E)-6-Methylhept-3-en-2-one
JECFA number	1138
CAS number	20859-10-3
FEMA number	4001
COE number
FLAVIS number
Molecular weight	126.2
Chemical formula	C8H14O
Physical form/odour	Colourless liquid; oily-green, pungent herbaceous odour
Solubility	insoluble in water; soluble in fats and non-polar solvents
Solubility in ethanol	Miscible at room temperature
Boiling point (°C)	170-180°
Assay min %	96%
Acid value max
Refractive index	1.438-1.447
Specific gravity	0.840-0.850
Other requirements
ID Test	NMR
Spectrum