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Food safety and quality
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| Flavouring |
2-Phenyl-2-butenal |
| Synonym(s) |
2-Phenylcrotonaldehyde;alpaa-Phenylcrotonaldehyde;2-Phenyl-2-butenal |
| Latest JECFA evaluation |
2004 (Session 63) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
2-Phenylbut-2(trans)-enal |
| JECFA number |
1474 |
| CAS number |
4411-89-6 |
| FEMA number |
3224 |
| COE number |
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| FLAVIS number |
05.062 |
| Molecular weight |
146.19 |
| Chemical formula |
C10H10O |
| Physical form/odour |
Colourless to slightly yellow liquid; green, floral, woody |
| Solubility |
Soluble in oils; Insoluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
177° (15 mm Hg) |
| Assay min % |
97% |
| Acid value max |
5 |
| Refractive index |
1.558-1.564 |
| Specific gravity |
1.031-1.037 |
| Other requirements |
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| 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/1474.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1474.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/1474.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1474.gif" width="60px;"></a><br> "Download")
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