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Food safety and quality
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| Flavouring |
S-Methyl 2-methylbutanethioate |
| Synonym(s) |
Methylthiol 2-methylbutyrate |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
S-Methyl 2-methylbutanethioate |
| JECFA number |
486 |
| CAS number |
42075-45-6 |
| FEMA number |
3708 |
| COE number |
|
| FLAVIS number |
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| Molecular weight |
132.22 |
| Chemical formula |
C6H12OS |
| Physical form/odour |
colourless liquid |
| Solubility |
insoluble in water; soluble in fats and alcohols |
| Solubility in ethanol |
|
| Boiling point (°C) |
153° |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
1.456-1.462 |
| Specific gravity |
1.028-1.035 |
| Other requirements |
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| ID Test |
MS |
| 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_add8/486.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/486.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/486.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/486.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/486.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/486.gif" width="60px;"></a><br>)