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Food safety and quality
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| Flavouring |
Allyl-alpha-ionone |
| Synonym(s) |
Allyl Ionone |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
1-(2,6,6-Trimethyl-2-cyclohexenyl)-1,6-heptadien-3-one |
| JECFA number |
401 |
| CAS number |
79-78-7 |
| FEMA number |
2033 |
| COE number |
2040 |
| FLAVIS number |
|
| Molecular weight |
232.37 |
| Chemical formula |
C16H24O |
| Physical form/odour |
colourless to yellow liquid with a fruity, woody odour |
| Solubility |
soluble in alcohol; insoluble in water |
| Solubility in ethanol |
1 ml in 1 ml 90% alcohol; 1 ml in 8 ml 70% alcohol |
| Boiling point (°C) |
265° |
| Assay min % |
88% (min. 95% sum of isomers) |
| Acid value max |
|
| Refractive index |
1.502-1.507 |
| Specific gravity |
0.926-0.935 |
| Other requirements |
Allyl alcohol <=0.1% |
| ID Test |
IR |
| Spectrum |
 
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![](../typo3conf/ext/dyna_fef/download.php?dfile=/work/htdocs/disseminationtypo3/web/fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/401.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/401.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/401.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/401.gif" width="60px;"></a><br> "Download")
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