Food safety and quality: details

Flavouring	alpha-Damascone
Synonym(s)	Dihydro floriffone A;4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-but-2-en-4-one;4-(2,6,6-Trimethyl-2-cyclohexenyl)-2-butene-4-one
Latest JECFA evaluation	2003 (Session 61)
Status of specification	Full
Information required
Chemical name	1-(2,6,6-Trimethyl-2-cyclohexenyl)-2-buten-1-one
JECFA number	385
CAS number	43052-87-5
FEMA number	3659
COE number	11053
FLAVIS number	07.134
Molecular weight	192.3
Chemical formula	C13H20O
Physical form/odour	colourless to pale yellow liquid with a fruity floral odour
Solubility
Solubility in ethanol	1 ml in 10 ml 95% alcohol
Boiling point (°C)	90-100°
Assay min %	98% (sum of cis and trans isomers)
Acid value max
Refractive index	1.492-1.499
Specific gravity	0.928-0.938
Other requirements	92-96% trans, 4-8% cis isomer
ID Test	IR
Spectrum