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Food safety and quality
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| Flavouring |
Butan-3-one-2-yl butanoate |
| Synonym(s) |
Acetoyl butyrate |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
1-Methyl-2-oxopropyl butyrate |
| JECFA number |
407 |
| CAS number |
84642-61-5 |
| FEMA number |
3332 |
| COE number |
10525 |
| FLAVIS number |
|
| Molecular weight |
158.2 |
| Chemical formula |
C8H14O3 |
| Physical form/odour |
white to slightly yellow liquid with a sweet, red berry characteristic odour |
| Solubility |
soluble in alcohol, propylene glycol and most fixed oils; insoluble in water |
| Solubility in ethanol |
|
| Boiling point (°C) |
76° (11 mm Hg) |
| Assay min % |
96% |
| Acid value max |
|
| Refractive index |
1.408-1.429 |
| Specific gravity |
0.972-0.992 |
| 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/407.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/407.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/407.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/407.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/407.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/407.gif" width="60px;"></a><br>)