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Food safety and quality
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| Flavouring |
4-Methylacetophenone |
| Synonym(s) |
p-Methylacetophenone;Methyl p-tolyl ketone;p-Acetyl toluene;1-Acetyl-4-methylbenzene |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
1-(4-Methylphenyl)ethanone |
| JECFA number |
807 |
| CAS number |
122-00-9 |
| FEMA number |
2677 |
| COE number |
156 |
| FLAVIS number |
|
| Molecular weight |
134.18 |
| Chemical formula |
C9H10O |
| Physical form/odour |
low melting colourless or opaque crystalline mass (tends to supercool) with a strong fruity-floral, warm, sweet odour |
| Solubility |
insoluble in water; soluble in organic solvents, oils |
| Solubility in ethanol |
very soluble |
| Boiling point (°C) |
226° |
| Assay min % |
95% |
| Acid value max |
|
| Refractive index |
1.530-1.536 |
| Specific gravity |
0.999-1.010 |
| Other requirements |
mp: 22-24° |
| 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/807.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/807.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/807.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/807.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/807.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/807.gif" width="60px;"></a><br>)