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Food safety and quality
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| Flavouring |
5-Hydroxy-4-octanone |
| Synonym(s) |
5-Octanol-4-one;Butyroin |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
5-Hydroxyoctan-4-one |
| JECFA number |
416 |
| CAS number |
496-77-5 |
| FEMA number |
2587 |
| COE number |
2045 |
| FLAVIS number |
|
| Molecular weight |
144.21 |
| Chemical formula |
C8H16O2 |
| Physical form/odour |
yellowish liquid |
| Solubility |
almost insoluble in water; soluble in alcohol |
| Solubility in ethanol |
|
| Boiling point (°C) |
182° |
| Assay min % |
95% |
| Acid value max |
|
| Refractive index |
1.426-1.432 |
| Specific gravity |
0.907-0.923 (20°) |
| Other requirements |
|
| ID Test |
IR |
| 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/416.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/416.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/416.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/416.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/416.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/416.gif" width="60px;"></a><br>)