|
Food safety and quality
|
|
|
| |
| Flavouring |
Levulinic acid |
| Synonym(s) |
gamma-Ketovaleric acid;Laevulic acid;Laevulinic acid;3-Ketobutane-1-carboxylic acid;beta-Acetylpropionic acid;gamma-Oxovaleric acid;gamma-Oxopentanoic acid;4-Oxopentanoic acid;3-Acetylpropionic acid |
| Latest JECFA evaluation |
2002 (Session 59) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4-Oxovaleric acid |
| JECFA number |
606 |
| CAS number |
123-76-2 |
| FEMA number |
2627 |
| COE number |
23 |
| FLAVIS number |
|
| Molecular weight |
116.12 |
| Chemical formula |
C5H8O3 |
| Physical form/odour |
yellow to brown liquid which may congeal; with mild caramellic odour |
| Solubility |
soluble in water, alcohol, and oil |
| Solubility in ethanol |
1 mL in 1 mL 95% alcohol |
| Boiling point (°C) |
245° |
| Assay min % |
97% |
| Acid value max |
|
| Refractive index |
1.439-1.445 |
| Specific gravity |
1.136-1.147 (20°) |
| Other requirements |
Solidification Pt.: min. 27° |
| 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/606.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/606.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/606.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/606.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/606.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/606.gif" width="60px;"></a><br>)