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Food safety and quality
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| Flavouring |
Dehydrodihydroionone |
| Synonym(s) |
Dehydrodihydro-beta-ionone |
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4-(2,6,6-Trimethyl-1,3-cyclohexadienyl)-3-butan-2-one |
| JECFA number |
396 |
| CAS number |
20483-36-7 |
| FEMA number |
3447 |
| COE number |
11057 |
| FLAVIS number |
07.115 |
| Molecular weight |
192.3 |
| Chemical formula |
C13H20O |
| Physical form/odour |
|
| Solubility |
soluble in alcohol and most fixed oils; insoluble in water |
| Solubility in ethanol |
|
| Boiling point (°C) |
98° (2.6 mm Hg) |
| Assay min % |
70% |
| Acid value max |
|
| Refractive index |
1.499-1.505 |
| Specific gravity |
0.928-0.935 |
| Other requirements |
SC: tetrahydroionone |
| ID Test |
GC |
| 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/396.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/396.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/396.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/396.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/396.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/396.gif" width="60px;"></a><br>)