|
Food safety and quality
|
|
|
| |
| Flavouring |
Methyl thiobutyrate |
| Synonym(s) |
Methylthiol n-butyrate |
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
S-Methyl butanethioate |
| JECFA number |
484 |
| CAS number |
2432-51-1 |
| FEMA number |
3310 |
| COE number |
2328 |
| FLAVIS number |
|
| Molecular weight |
118.19 |
| Chemical formula |
C5H10OS |
| Physical form/odour |
colourless to pale yellow liquid with putrid, rancid, sour, pungent cabbage odour (powerful sweet cheesy odour in dilute solution) |
| Solubility |
insoluble in water; miscible in diethyl ether |
| Solubility in ethanol |
|
| Boiling point (°C) |
140-143°; 38-40v (12 mm Hg) |
| Assay min % |
98% |
| Acid value max |
1 |
| Refractive index |
1.457-1.469 |
| Specific gravity |
0.960-0.975 |
| Other requirements |
|
| ID Test |
IR |
| Spectrum |
 
|
|
|
|
![](../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_add8/484.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/484.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/484.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/484.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/484.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/img_add8/484.gif" width="60px;"></a><br>)