|
Food safety and quality
|
|
|
| |
| Flavouring |
3,4-Dimethyl-1,2-cyclo-pentanedione |
| Synonym(s) |
|
| Latest JECFA evaluation |
2000 (Session 55) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
3,4-Dimethylcyclo-pentane-1,2-dione |
| JECFA number |
420 |
| CAS number |
13494-06-9 |
| FEMA number |
3268 |
| COE number |
2234 |
| FLAVIS number |
|
| Molecular weight |
126.16 |
| Chemical formula |
C7H10O2 |
| Physical form/odour |
pale yellow to yellow powder |
| Solubility |
|
| Solubility in ethanol |
|
| Boiling point (°C) |
66° (1 mm Hg) |
| Assay min % |
98% |
| Acid value max |
|
| Refractive index |
|
| Specific gravity |
|
| Other requirements |
Melting point: 68-72° |
| 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/420.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/420.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/420.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/420.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/420.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/420.gif" width="60px;"></a><br>)