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Food safety and quality
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| Flavouring |
cis-4-Hydroxy-6-dodecenoic acid lactone |
| Synonym(s) |
Dodeca-6-en-1,4-lactone |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
5-(cis-2-Octenyl)dihydro-2-(3H)-furanone |
| JECFA number |
249 |
| CAS number |
18679-18-0 |
| FEMA number |
3780 |
| COE number |
625 |
| FLAVIS number |
|
| Molecular weight |
196.3 |
| Chemical formula |
C12H20O2 |
| Physical form/odour |
colourless liquid |
| Solubility |
soluble in alcohol and ether; insoluble in water and fat |
| Solubility in ethanol |
|
| Boiling point (°C) |
113° (0.6 mm Hg) |
| Assay min % |
95.5% |
| Acid value max |
|
| Refractive index |
1.466 |
| Specific gravity |
0.958 |
| Other requirements |
|
| ID Test |
NMR |
| Spectrum |
 
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![](../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/249.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/249.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/249.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/249.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/249.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/249.gif" width="60px;"></a><br>)