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Food safety and quality
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| Flavouring |
2,3-Hexanedione |
| Synonym(s) |
Acetyl-n-butyryl;Methyl propyl diketone |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Hexane-2,3-dione |
| JECFA number |
412 |
| CAS number |
3848-24-6 |
| FEMA number |
2558 |
| COE number |
152 |
| FLAVIS number |
|
| Molecular weight |
114.14 |
| Chemical formula |
C6H10O2 |
| Physical form/odour |
yellow, oily liquid with a butter-sweet odour |
| Solubility |
slightly soluble in water; soluble in propylene glycol, alcohol, and oils |
| Solubility in ethanol |
|
| Boiling point (°C) |
128° |
| Assay min % |
93% (min. 98% named cpd + methylpentanediones) |
| Acid value max |
|
| Refractive index |
1.409-1.419 |
| Specific gravity |
0.930-0.950 |
| Other requirements |
|
| 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/412.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/412.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/412.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/412.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/412.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/412.gif" width="60px;"></a><br>)