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Online Edition: "Specifications for Flavourings"

Flavouring Methyl-beta-ionone
Synonym(s) beta-Cetone;beta-n-Methylionone;beta-Cyclocitrylidene butanone;Raldeine
Latest JECFA evaluation 2004 (Session 63)
Status of specification Full
Information required Low assay
Chemical name 5-(2,6,6-Trimethyl-1-cyclohexen-1-yl)-4-penten-3-one
JECFA number 399
CAS number 127-43-5
FEMA number 2712
COE number 144
FLAVIS number 07.010
Molecular weight 206.33
Chemical formula C14H22O
Physical form/odour colourless to yellow liquid
Solubility in ethanol
Boiling point (°C) 238-242°
Assay min % 88.0%
Acid value max
Refractive index 1.503-1.508
Specific gravity 0.930-0.935
Other requirements SC: alpha- and beta-isomethylionone; Min assay includes cis and trans isomers of alpha-, beta- and gamma-methylionone
ID Test IR