|
Food safety and quality
|
|
|
| |
| Flavouring |
1-(Methylthio)-2-butanone |
| Synonym(s) |
2-Thia-4-hexanone |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
1-(Methylthio)-2-butanone |
| JECFA number |
496 |
| CAS number |
13678-58-5 |
| FEMA number |
3207 |
| COE number |
11543 |
| FLAVIS number |
|
| Molecular weight |
118.19 |
| Chemical formula |
C5H10OS |
| Physical form/odour |
colourless liquid; odour remniscient of mushroom with a characterisitic garlic undertone |
| Solubility |
|
| Solubility in ethanol |
|
| Boiling point (°C) |
52-53° (8 mm Hg) |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
1.470-1.485 |
| Specific gravity |
0.997 (22°) |
| Other requirements |
|
| ID Test |
IR, CNMR |
| 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/496-ir.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-ir.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-cnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-cnmr.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-ir.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-ir.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-cnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-cnmr.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-ir.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-ir.gif" width="60px;"></a><br><a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-cnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/496-cnmr.gif" width="60px;"></a><br>)