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Food safety and quality
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| Flavouring |
Menthone |
| Synonym(s) |
trans-2-Methyl-5-isopropylcyclohexanone;trans-Menthone |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
trans-p-Menthan-3-one |
| JECFA number |
429 |
| CAS number |
89-80-5 |
| FEMA number |
2667 |
| COE number |
2035 |
| FLAVIS number |
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| Molecular weight |
154.25 |
| Chemical formula |
C10H18O |
| Physical form/odour |
colourless to pale yellowish liquid with a mint-like odour |
| Solubility |
soluble in alcohol and most fixed oils; very slightly soluble in water |
| Solubility in ethanol |
1 ml in 3 ml of 70% alcohol |
| Boiling point (°C) |
207° |
| Assay min % |
96% (sum of 2 isomers) |
| Acid value max |
1 |
| Refractive index |
1.448-1.453 |
| Specific gravity |
0.888-0.895 |
| Other requirements |
Optical rotation: >= -20° |
| ID Test |
IR |
| 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/429.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/429.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/429.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/429.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/429.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/429.gif" width="60px;"></a><br>)