|
Food safety and quality
|
|
|
| |
| Flavouring |
3-Methyl-2-(n-pentanyl)-2-cyclopenten-1-one |
| Synonym(s) |
Dihydrojasmone;3-Methyl-2-pentyl-cyclopent-2-en-1-one |
| Latest JECFA evaluation |
2004 (Session 63) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
3-Methyl-2-pentylcyclopent-2-en-1-one |
| JECFA number |
1406 |
| CAS number |
1128-08-1 |
| FEMA number |
3763 |
| COE number |
|
| FLAVIS number |
07.140 |
| Molecular weight |
166.26 |
| Chemical formula |
C11H18O |
| Physical form/odour |
Colourless liquid; celery, herbacous, spicy aroma |
| Solubility |
Soluble in fats; Very slightly soluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
79° (0.19 mm Hg) |
| Assay min % |
99% |
| Acid value max |
<1.0 |
| Refractive index |
1.676-1.682 |
| Specific gravity |
0.911-0.917 |
| Other requirements |
|
| ID Test |
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/1406.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1406.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/1406.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1406.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/1406.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1406.gif" width="60px;"></a><br>)