|
Food safety and quality
|
|
|
| |
| Flavouring |
Isobutyl propionate |
| Synonym(s) |
|
| Latest JECFA evaluation |
1997 (Session 49) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Methylpropyl propanoate |
| JECFA number |
148 |
| CAS number |
540-42-1 |
| FEMA number |
2212 |
| COE number |
406 |
| FLAVIS number |
|
| Molecular weight |
130.18 |
| Chemical formula |
C7H14O2 |
| Physical form/odour |
colourless to pale yellow liquid with an odour reminiscent of rum & pineapple |
| Solubility |
miscible with alcohol; soluble in most organic solvents; insoluble in water |
| Solubility in ethanol |
|
| Boiling point (°C) |
137-138° |
| Assay min % |
95.0% |
| Acid value max |
|
| Refractive index |
1.395-1.400 |
| Specific gravity |
0.861-0.867 |
| 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/148.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/148.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/148.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/148.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/148.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/148.gif" width="60px;"></a><br>)