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Food safety and quality
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| Flavouring |
2-Ethylbutyric acid |
| Synonym(s) |
|
| Latest JECFA evaluation |
1998 (Session 51) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
2-Ethylbutyric acid |
| JECFA number |
257 |
| CAS number |
88-09-5 |
| FEMA number |
2429 |
| COE number |
2001 |
| FLAVIS number |
|
| Molecular weight |
116.16 |
| Chemical formula |
C6H12O2 |
| Physical form/odour |
colourless liquid with a mildly rancid odour |
| Solubility |
miscible with alcohol, ether; soluble in water 1 ml in 65 ml |
| Solubility in ethanol |
|
| Boiling point (°C) |
99° (18 mm Hg) |
| Assay min % |
98.0% |
| Acid value max |
|
| Refractive index |
1.413 |
| Specific gravity |
0.917-0.922 |
| Other requirements |
Dist. Range: 190° to 200°; Water: =<0.2% |
| 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/257.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/257.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/257.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/257.gif" width="60px;"></a><br> "Download")
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