|
Food safety and quality
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|
|
| |
| Flavouring |
Butyl isobutyrate |
| Synonym(s) |
|
| Latest JECFA evaluation |
1997 (Session 49) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Butyl-2-methyl propanoate |
| JECFA number |
188 |
| CAS number |
97-87-0 |
| FEMA number |
2188 |
| COE number |
291 |
| FLAVIS number |
|
| Molecular weight |
144.21 |
| Chemical formula |
C8H16O2 |
| Physical form/odour |
colourless liquid/fresh fruity,apple-pineapple odour |
| Solubility |
miscible in alcohol, ether, most fixed oils; insoluble in glycerin, propylene glycol, water |
| Solubility in ethanol |
1 ml in 7 ml 60% alcohol |
| Boiling point (°C) |
166° |
| Assay min % |
97.0% |
| Acid value max |
1 |
| Refractive index |
1.401-1.404 |
| Specific gravity |
0.859-0.864 |
| 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/188.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/188.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/188.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/188.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/188.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/188.gif" width="60px;"></a><br>)