Food safety and quality: details

Flavouring	6-Methyl-3,5-heptadien-2-one
Synonym(s)	1-Acetyl-4-methyl-1,3-pentadiene;2-Methyhepta-2,4-dien-6-one;Methyl heptadienone
Latest JECFA evaluation	2002 (Session 59)
Status of specification	Full
Information required
Chemical name	6-Methylhepta-3,5-dien-2-one
JECFA number	1134
CAS number	1604-28-0
FEMA number	3363
COE number	11143
FLAVIS number
Molecular weight	124.18
Chemical formula	C8H12O
Physical form/odour	Colourless to pale yellow oily liquid; cinnamon-like odour with a coconut undertone
Solubility	almost insoluble in water; soluble in oils
Solubility in ethanol	Miscible at room temperature
Boiling point (°C)	190°
Assay min %	96%
Acid value max	1
Refractive index	1.528-1.537
Specific gravity	0.895-0.899
Other requirements
ID Test	NMR
Spectrum