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Food safety and quality
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| Flavouring |
2-Propylpyrazine |
| Synonym(s) |
2-Propyl-1,4-diazine |
| Latest JECFA evaluation |
2001 (Session 57) |
| Status of specification |
Full |
| Information required |
|
| Chemical name |
Propylpyrazine |
| JECFA number |
763 |
| CAS number |
18138-03-9 |
| FEMA number |
3961 |
| COE number |
11362 |
| FLAVIS number |
|
| Molecular weight |
122.17 |
| Chemical formula |
C7H10N2 |
| Physical form/odour |
colourless to light yellow liquid with a green vegetable odour |
| Solubility |
soluble in water, organic solvents, oils |
| Solubility in ethanol |
miscible at room temperature |
| Boiling point (°C) |
65° (12 mm Hg) |
| Assay min % |
98% |
| Acid value max |
|
| Refractive index |
1.492-1.496 |
| Specific gravity |
0.966-0.970 |
| Other requirements |
|
| ID Test |
NMR |
| 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/763.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/763.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/763.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/763.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/763.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/763.gif" width="60px;"></a><br>)