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Food safety and quality
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| |
| Flavouring |
Methyl 2-oxo-3-methylpentanoate |
| Synonym(s) |
Methyl 2-keto-3-methylvalerate |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Methyl 3-methyl-2-oxovalerate |
| JECFA number |
591 |
| CAS number |
3682-42-6 |
| FEMA number |
3713 |
| COE number |
|
| FLAVIS number |
|
| Molecular weight |
144.17 |
| Chemical formula |
C7H12O3 |
| Physical form/odour |
liquid |
| Solubility |
slightly soluble in water; soluble in fat |
| Solubility in ethanol |
|
| Boiling point (°C) |
197° |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
1.416-1.426 |
| Specific gravity |
0.988-0.995 |
| Other requirements |
|
| ID Test |
IR, MS, NMR |
| 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/591.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/591.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/591.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/591.gif" width="60px;"></a><br> "Download")
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