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Food safety and quality
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| Flavouring |
3-Phenylpropionic acid |
| Synonym(s) |
Benzylacetic acid;Hydrocinnamic acid;beta-Phenylpropionic acid |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
Benzenepropanoic acid |
| JECFA number |
646 |
| CAS number |
501-52-0 |
| FEMA number |
2889 |
| COE number |
32 |
| FLAVIS number |
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| Molecular weight |
150.18 |
| Chemical formula |
C9H10O2 |
| Physical form/odour |
White crystalline solid, faint, sweet, somewhat balsamic and coumarin-like odour |
| Solubility |
slightly soluble in water; soluble in oils |
| Solubility in ethanol |
moderately soluble |
| Boiling point (°C) |
280° |
| Assay min % |
97%; 98% by titration |
| Acid value max |
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| Refractive index |
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| Specific gravity |
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| Other requirements |
mp: 43° minimum |
| 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/img_add8/646.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/646.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/646.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/646.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/646.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/646.gif" width="60px;"></a><br>)