|
Food safety and quality
|
|
|
| |
| Flavouring |
Isobutyl alcohol |
| Synonym(s) |
Isobutanol |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Methylpropanol |
| JECFA number |
251 |
| CAS number |
78-83-1 |
| FEMA number |
2179 |
| COE number |
49 |
| FLAVIS number |
|
| Molecular weight |
74.12 |
| Chemical formula |
C4H10O |
| Physical form/odour |
colourless, mobile liquid with a penetrating, winey odour |
| Solubility |
miscible with alcohol, ether; soluble in water 1 ml in 140 ml |
| Solubility in ethanol |
|
| Boiling point (°C) |
108° |
| Assay min % |
98% |
| Acid value max |
2 |
| Refractive index |
1.392-1.398 |
| Specific gravity |
0.799-0.801 |
| 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/251.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/251.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/251.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/251.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/251.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/251.gif" width="60px;"></a><br>)