|
Food safety and quality
|
|
|
| |
| Flavouring |
Prenyl thioacetate |
| Synonym(s) |
S-3-Methyl-2-butenyl ethanethioate |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
S-(3-Methyl-2-butenyl) acetothioate |
| JECFA number |
491 |
| CAS number |
33049-93-3 |
| FEMA number |
3895 |
| COE number |
|
| FLAVIS number |
|
| Molecular weight |
144.24 |
| Chemical formula |
C7H12OS |
| Physical form/odour |
clear colourless liquid |
| Solubility |
insoluble in water; soluble in ethanol, triacetin and heptane |
| Solubility in ethanol |
|
| Boiling point (°C) |
67-68° |
| Assay min % |
99% |
| Acid value max |
|
| Refractive index |
1.492-1.497 |
| Specific gravity |
0.964-0.969 |
| Other requirements |
|
| ID Test |
IR, MS, NMR |
| 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/491.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/491.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/491.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/491.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/491.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/491.gif" width="60px;"></a><br>)