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Food safety and quality
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| Flavouring |
4-Phenyl-3-buten-2-one |
| Synonym(s) |
Methyl styryl ketone;Benzylideneacetone |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4-Phenyl-2-buten-2-one |
| JECFA number |
820 |
| CAS number |
122-57-6 |
| FEMA number |
2881 |
| COE number |
158 |
| FLAVIS number |
|
| Molecular weight |
146.19 |
| Chemical formula |
C10H10O |
| Physical form/odour |
colourless to slightly yellow crystalline solid with a sweet, pungent, creamy, floral odour |
| Solubility |
insoluble in water; soluble in organic solvents, oils |
| Solubility in ethanol |
very soluble |
| Boiling point (°C) |
260° |
| Assay min % |
97% |
| Acid value max |
|
| Refractive index |
NA |
| Specific gravity |
NA |
| Other requirements |
mp: 39-42° |
| 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/820.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/820.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/820.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/820.gif" width="60px;"></a><br> "Download")
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