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Food safety and quality
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| Flavouring |
Ethyl 2-mercaptopropionate |
| Synonym(s) |
Ethyl thiolactate |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Ethyl 2-mercaptopropionate |
| JECFA number |
552 |
| CAS number |
19788-49-9 |
| FEMA number |
3279 |
| COE number |
11469 |
| FLAVIS number |
|
| Molecular weight |
134.19 |
| Chemical formula |
C5H10O2S |
| Physical form/odour |
|
| Solubility |
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| Solubility in ethanol |
|
| Boiling point (°C) |
40-41° (1 mm Hg) |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
1.447-1.452 |
| Specific gravity |
1.027-1.050 |
| 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/552.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/552.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/552.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/552.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/552.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/552.gif" width="60px;"></a><br>)