|
Food safety and quality
|
|
|
| |
| Flavouring |
4-Hydroxy-3-pentenoic acid lactone |
| Synonym(s) |
Pent-3-en-1,4-lactone;alpha-Angelica lactone |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
3-Penten-4-olide;5-Methyl-2(3H)-furanone |
| JECFA number |
221 |
| CAS number |
591-12-8 |
| FEMA number |
3293 |
| COE number |
731 |
| FLAVIS number |
|
| Molecular weight |
98.1 |
| Chemical formula |
C5H6O2 |
| Physical form/odour |
clear, light to dark yellow liquid with a sweet herbaceous odour reminiscent of tobacco |
| Solubility |
soluble in alcohol, slightly soluble in water |
| Solubility in ethanol |
|
| Boiling point (°C) |
167-170° |
| Assay min % |
95.0% |
| Acid value max |
|
| Refractive index |
1.443-1.451 |
| Specific gravity |
1.084 (20°/20°) |
| 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/221.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/221.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/221.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/221.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/221.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/221.gif" width="60px;"></a><br>)