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Food safety and quality
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| |
| Flavouring |
2,3-Heptanedione |
| Synonym(s) |
Acetyl valeryl;Valeryl acetyl;Acetyl pentanoyl |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Heptane-2,3-dione |
| JECFA number |
415 |
| CAS number |
96-04-8 |
| FEMA number |
2543 |
| COE number |
2044 |
| FLAVIS number |
|
| Molecular weight |
128.17 |
| Chemical formula |
C7H12O2 |
| Physical form/odour |
yellowish liquid |
| Solubility |
slightly soluble in water; soluble in alcohol |
| Solubility in ethanol |
|
| Boiling point (°C) |
62° (20 mm Hg) |
| Assay min % |
97.0% |
| Acid value max |
|
| Refractive index |
1.413-1.416 |
| Specific gravity |
0.917-0.923 |
| 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/415.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/415.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/415.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/415.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/415.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/415.gif" width="60px;"></a><br>)