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Food safety and quality
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| Flavouring |
Methyl 4-(methylthio)butyrate |
| Synonym(s) |
Methyl 4-(methylmercapto)butyrate |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Methyl 4-(methylthio)butyrate |
| JECFA number |
474 |
| CAS number |
53053-51-3 |
| FEMA number |
3412 |
| COE number |
11526 |
| FLAVIS number |
|
| Molecular weight |
148.22 |
| Chemical formula |
C6H12O2S |
| Physical form/odour |
colourless liquid with sweet, cheesy odour in dilute solution |
| Solubility |
insoluble in water; soluble in alcohol |
| Solubility in ethanol |
|
| Boiling point (°C) |
52° (3 mm Hg); 110° (20 mm Hg) |
| Assay min % |
98% |
| Acid value max |
|
| Refractive index |
1.467-1.477 |
| Specific gravity |
0.953-0.957 |
| Other requirements |
|
| ID Test |
IR, 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/474.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/474.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/474.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/474.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/474.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/474.gif" width="60px;"></a><br>)