Food safety and quality
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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 |
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Solubility in ethanol |
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Boiling point (°C) |
238-242° |
Assay min % |
88.0% |
Acid value max |
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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 |
Spectrum |
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