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Food safety and quality
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| |
| Flavouring |
3-Methylbutyraldehyde |
| Synonym(s) |
Isovaleraldehyde |
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
3-Methylbutanal |
| JECFA number |
258 |
| CAS number |
590-86-3 |
| FEMA number |
2692 |
| COE number |
94 |
| FLAVIS number |
|
| Molecular weight |
86.13 |
| Chemical formula |
C5H10O |
| Physical form/odour |
colourless to yellow liquid with a fruity, fatty, animal, almond odour |
| Solubility |
soluble in water |
| Solubility in ethanol |
|
| Boiling point (°C) |
92-93° |
| Assay min % |
95.0% |
| Acid value max |
15 |
| Refractive index |
1.387-1.408 |
| Specific gravity |
0.795-0.815 (20°/20°) |
| Other requirements |
Melting Pt.: - 51°C |
| 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/258.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/258.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/258.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/258.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/258.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/258.gif" width="60px;"></a><br>)