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Food safety and quality
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| |
| Flavouring |
4-Methyl-2-oxopentanoic acid |
| Synonym(s) |
|
| Latest JECFA evaluation |
2007 (Session 68) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4-Methyl-2-oxovaleric acid |
| JECFA number |
633 |
| CAS number |
816-66-0 |
| FEMA number |
3871 |
| COE number |
|
| FLAVIS number |
|
| Molecular weight |
130.1 |
| Chemical formula |
C6H10O3 |
| Physical form/odour |
Pale yellow liquid; fruity aroma |
| Solubility |
Soluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
251° |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
1.432-1.442 |
| Specific gravity |
1.053-1.058 |
| 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/633.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/633.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/633.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/633.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/633.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/633.gif" width="60px;"></a><br>)