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Online Edition: "Specifications for Flavourings"

Flavouring Methyl-delta-ionone
Synonym(s) beta-Isomethylionone;Isomethyl-beta-ione;delta-Methylionone
Latest JECFA evaluation 2000 (Session 55)
Status of specification Full
Chemical name 4-(2,6,6-Trimethyl-3-cyclohexen-1-yl)-3-methyl-3-buten-2-one
JECFA number 400
CAS number 7784-98-7
FEMA number 2713
COE number
FLAVIS number
Molecular weight 206.33
Chemical formula C14H22O
Physical form/odour colourless to yellow liquid
Solubility insoluble in water; soluble in alcohol
Solubility in ethanol
Boiling point (°C) 232°
Assay min % 95.0% (sum of 4 isomers)
Acid value max
Refractive index 1.493-1.499
Specific gravity 0.931-0.938
Other requirements
ID Test IR