|
Food safety and quality
|
|
|
| |
| Flavouring |
Isovaleric acid |
| Synonym(s) |
3-Methylbutyric acid |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Isovaleric acid |
| JECFA number |
259 |
| CAS number |
503-74-2 |
| FEMA number |
3102 |
| COE number |
8 |
| FLAVIS number |
|
| Molecular weight |
102.13 |
| Chemical formula |
C5H10O2 |
| Physical form/odour |
colourless to pale yellow liquid with a disagreeable, rancid, cheese-like odour |
| Solubility |
soluble in alcohol, ether and water |
| Solubility in ethanol |
|
| Boiling point (°C) |
175° |
| Assay min % |
99.0% |
| Acid value max |
|
| Refractive index |
1.401-1.405 |
| Specific gravity |
0.923-0.928 |
| Other requirements |
|
| ID Test |
IR |
| Spectrum |
 
|
|
|
|
![](../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/259.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/259.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/259.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/259.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/259.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/259.gif" width="60px;"></a><br>)