|
Food safety and quality
|
|
|
| |
| Flavouring |
2-Oxobutyric acid |
| Synonym(s) |
alpha-Ketobutyric acid |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Oxobutyric acid |
| JECFA number |
589 |
| CAS number |
600-18-0 |
| FEMA number |
3723 |
| COE number |
|
| FLAVIS number |
|
| Molecular weight |
102.09 |
| Chemical formula |
C4H6O3 |
| Physical form/odour |
|
| Solubility |
soluble in water and alcohol |
| Solubility in ethanol |
|
| Boiling point (°C) |
80-82° (16 mm Hg) |
| Assay min % |
98% |
| Acid value max |
|
| Refractive index |
|
| Specific gravity |
1.200 (d20/4) |
| Other requirements |
Melting point 31-32° |
| 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/img_add8/589.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/589.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/589.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/589.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/589.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/589.gif" width="60px;"></a><br>)