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Food safety and quality
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| Flavouring |
(+/-)-Ethyl 3-hydroxy-2-methylbutyrate |
| Synonym(s) |
Butanoic acid, 3-hydroxy-2-methyl-, ethyl ester;Butyric acid, 3-hydroxy-2-methyl-, ethyl ester |
| Latest JECFA evaluation |
2010 (Session 73) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
ethyl 3-hydroxy-2-methylbutanoate |
| JECFA number |
1949 |
| CAS number |
27372-03-8 |
| FEMA number |
4391 |
| COE number |
10600 |
| FLAVIS number |
9.361 |
| Molecular weight |
146.18 |
| Chemical formula |
C7H14O3 |
| Physical form/odour |
Clear colourless liquid; Green fruity aroma |
| Solubility |
Soluble in water, DMSO, triacetin and vegetable oils |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
57-58° (2.9 mm Hg) |
| Assay min % |
95% |
| Acid value max |
|
| Refractive index |
1.405-1.447 |
| Specific gravity |
0.953-1.053 (20°) |
| Other requirements |
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| ID Test |
HNMR |
| 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/jecfa73/1949-hnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1949-hnmr.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1949-hnmr.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1949-hnmr.gif" width="60px;"></a><br> "Download")
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