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Online Edition: "Specifications for Flavourings"

Flavouring alpha-iso-Methylionone
Synonym(s) alpha-Cyclocitrylidene butanone
Latest JECFA evaluation 2001 (Session 57)
Status of specification Full
Chemical name 4-(2,6,6-Trimethyl-2-cyclohexen-1-yl)-3-methyl-3-buten-2-one
JECFA number 404
CAS number 127-51-5
FEMA number 2714
COE number 169
FLAVIS number
Molecular weight 206.33
Chemical formula C14H22O
Physical form/odour clear, colourless to yellowish liquid
Solubility in ethanol
Boiling point (°C) 238°
Assay min % 85% (min. 95% sum of isomers)
Acid value max
Refractive index 1.498-1.503
Specific gravity 0.925-0.934
Other requirements
ID Test IR