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Food safety and quality
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| Flavouring |
Ethyl 3-methylthiopropionate |
| Synonym(s) |
Ethyl beta-(methylthio)propionate |
| Latest JECFA evaluation |
2002 (Session 59) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
Ethyl 3-(methylthio)propionate |
| JECFA number |
476 |
| CAS number |
13327-56-5 |
| FEMA number |
3343 |
| COE number |
11476 |
| FLAVIS number |
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| Molecular weight |
148.23 |
| Chemical formula |
C6H12O2S |
| Physical form/odour |
colourless to pale yellow liquid with onion-like, fruity, sweet odour |
| Solubility |
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| Solubility in ethanol |
1 mL in 1 mL 95% alcohol |
| Boiling point (°C) |
89-91° (15 mm Hg) |
| Assay min % |
99% |
| Acid value max |
1 |
| Refractive index |
1.457-1.463 |
| Specific gravity |
1.030-1.035 |
| Other requirements |
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| 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/476.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/476.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/476.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/476.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/476.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/476.gif" width="60px;"></a><br>)