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Food safety and quality
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| Flavouring |
2-(Methylthiomethyl)-3-phenylpropenal |
| Synonym(s) |
alpha-Benzylidene methional |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-(Methylthiomethyl)-3-phenylpropenal |
| JECFA number |
505 |
| CAS number |
65887-08-3 |
| FEMA number |
3717 |
| COE number |
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| FLAVIS number |
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| Molecular weight |
192.28 |
| Chemical formula |
C11H12OS |
| Physical form/odour |
viscous yellow liquid |
| Solubility |
insoluble in water; miscible in fats |
| Solubility in ethanol |
|
| Boiling point (°C) |
151° (3.8 mm Hg) |
| Assay min % |
98% (mixture of 87% trans and 13% cis) |
| Acid value max |
|
| Refractive index |
1.622-1.632 |
| Specific gravity |
1.080-1.085 |
| Other requirements |
|
| ID Test |
IR, MS, 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/505.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/505.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/505.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/505.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/505.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/505.gif" width="60px;"></a><br>)