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Food safety and quality
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| Flavouring |
Propyleneglycol monohexanoate (mixture of isomers) |
| Synonym(s) |
1,2-Propanediol, 1-hexanoate;Hexanoic acid, 2-hydroxy-1-methylethyl ester |
| Latest JECFA evaluation |
2010 (Session 73) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Mixture of 2-hydroxypropyl hexanoate and 1-hydroxypropan-2-yl hexanoate |
| JECFA number |
1983 |
| CAS number |
39556-41-7;170678-49-6 |
| FEMA number |
4469 |
| COE number |
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| FLAVIS number |
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| Molecular weight |
174.24 |
| Chemical formula |
C9H18O3 |
| Physical form/odour |
Clear colourless liquid; Mild fruity to green ethereal aroma |
| Solubility |
Practically insoluble or insoluble in water |
| Solubility in ethanol |
Soluble |
| Boiling point (°C) |
263-265° |
| Assay min % |
98% |
| Acid value max |
1 |
| Refractive index |
1.430-1.436 |
| Specific gravity |
0.963-0.969 (20°) |
| Other requirements |
Mixture of isomers: 62% 2-Hydroxypropyl hexanoate; 35% 1-Hydroxypropan-2-yl hexanoate; SC: 2% Propyleneglycol dihexanoic acid ester |
| ID Test |
MS |
| 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/jecfa73/1983-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1983-ms.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1983-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1983-ms.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1983-ms.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/1983-ms.gif" width="60px;"></a><br>)