Food safety and quality: details

Flavouring	3-Methyl-5-propyl-2-cyclohexen-1-one
Synonym(s)	Celery ketone;1-Methyl-5-n-propyl-1-cyclohexen-3-one
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	3-Methyl-5-propylcyclohex-2-en-1-one
JECFA number	1113
CAS number	3720-16-9
FEMA number	3577
COE number
FLAVIS number
Molecular weight	152.23
Chemical formula	C10H16O
Physical form/odour	Pale yellow to colourless liquid; warm spicy woody odour, similar flavor at low levels
Solubility	insoluble in water; soluble in ether and oils
Solubility in ethanol	Miscible at room temperature
Boiling point (°C)	242-244°
Assay min %	95%
Acid value max
Refractive index	1.481-1.486
Specific gravity	0.924-0.928
Other requirements
ID Test	NMR
Spectrum