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Food safety and quality
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| |
| Flavouring |
2-Undecanone |
| Synonym(s) |
Methyl nonyl ketone |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Undecan-2-one |
| JECFA number |
296 |
| CAS number |
112-12-9 |
| FEMA number |
3093 |
| COE number |
150 |
| FLAVIS number |
|
| Molecular weight |
170.3 |
| Chemical formula |
C11H22O |
| Physical form/odour |
colourless to pale yellow liquid with a citrus, fatty, rue-like odour |
| Solubility |
soluble in alcohol and oil; insoluble in water |
| Solubility in ethanol |
1 ml in 1 ml 95% alcohol |
| Boiling point (°C) |
231-232° |
| Assay min % |
96.0% |
| Acid value max |
5 |
| Refractive index |
1.428-1.432 |
| Specific gravity |
0.822 -0.826 |
| 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/296.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/296.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/296.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/296.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/296.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/296.gif" width="60px;"></a><br>)