|
Food safety and quality
|
|
|
| |
| Flavouring |
4-Hydroxybutyric acid lactone |
| Synonym(s) |
gamma-Butyrolactone;Butyro-1,4-lactone |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4-Butanolide;Dihydro-2(3H)-furanone |
| JECFA number |
219 |
| CAS number |
96-48-0 |
| FEMA number |
3291 |
| COE number |
615 |
| FLAVIS number |
|
| Molecular weight |
86.09 |
| Chemical formula |
C4H6O2 |
| Physical form/odour |
colourless to slightly yellow liquid with a faint, sweet, caramel-like odour |
| Solubility |
soluble in water; miscible with alcohol |
| Solubility in ethanol |
|
| Boiling point (°C) |
204° |
| Assay min % |
98.0% |
| Acid value max |
|
| Refractive index |
1.434-1.454 (25°) |
| Specific gravity |
1.120-1.130 |
| 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/219.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/219.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/219.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/219.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/219.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/219.gif" width="60px;"></a><br>)