|
Food safety and quality
|
|
|
| |
| Flavouring |
3-Oxobutanal dimethyl acetal |
| Synonym(s) |
3-Ketobutyraldehyde dimethyl acetal;Acetylaldehyde dimethylacetal |
| Latest JECFA evaluation |
1999 (Session 53) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
4,4-Dimethoxy-2-butanone |
| JECFA number |
593 |
| CAS number |
5436-21-5 |
| FEMA number |
3381 |
| COE number |
10029 |
| FLAVIS number |
|
| Molecular weight |
132.16 |
| Chemical formula |
C6H12O3 |
| Physical form/odour |
|
| Solubility |
|
| Solubility in ethanol |
|
| Boiling point (°C) |
178° |
| Assay min % |
96% |
| Acid value max |
|
| Refractive index |
1.414-1.424 |
| Specific gravity |
0.993-0.998 |
| Other requirements |
|
| ID Test |
IR, 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/593.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/593.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/593.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/593.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/593.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/593.gif" width="60px;"></a><br>)