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Food safety and quality
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| Flavouring |
3-Mercaptohexyl acetate |
| Synonym(s) |
3-Thiohexyl ethanoate;3-Thiohexyl acetate |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
3-Mercaptohexyl acetate |
| JECFA number |
554 |
| CAS number |
136954-20-6 |
| FEMA number |
3851 |
| COE number |
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| FLAVIS number |
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| Molecular weight |
176.28 |
| Chemical formula |
C8H16O2S |
| Physical form/odour |
clear liquid |
| Solubility |
insoluble in water; soluble in ethanol and heptane |
| Solubility in ethanol |
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| Boiling point (°C) |
186° |
| Assay min % |
81.7% |
| Acid value max |
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| Refractive index |
1.462-1.472 |
| Specific gravity |
0.991-0.996 |
| Other requirements |
Also contains min. 8.2% 3-Mercaptohexanol and 9.7% 3-Acetylmercaptohexyl acetate |
| 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/554.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/554.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/554.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/554.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/554.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/554.gif" width="60px;"></a><br>)