|
Food safety and quality
|
|
|
| |
| Flavouring |
4,5-Dimethyl-2-isobutylthiazole |
| Synonym(s) |
2-Isobutyl-4,5-dimethyl thiazole |
| Latest JECFA evaluation |
2012 (Session 76) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4,5-Dimethyl-2-(2-methylpropyl)-1,3-thiazole |
| JECFA number |
2109 |
| CAS number |
53498-32-1 |
| FEMA number |
4647 |
| COE number |
11617 |
| FLAVIS number |
15.078 |
| Molecular weight |
169.29 |
| Chemical formula |
C9H15NS |
| Physical form/odour |
Colourless to pale yellow liquid; Earthy, nutty, green vegetative aroma |
| Solubility |
Practically insoluble to insoluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
266-267° |
| Assay min % |
97% |
| Acid value max |
|
| Refractive index |
1.490-1.498 |
| Specific gravity |
0.967-0.975 (20°) |
| Other requirements |
|
| ID Test |
MS |
| 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/jecfa76/2109-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa76/2109-ms.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa76/2109-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa76/2109-ms.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa76/2109-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa76/2109-ms.gif" width="60px;"></a><br>)