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Food safety and quality
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| Flavouring |
3,4-Dimethoxy-1-vinylbenzene |
| Synonym(s) |
3,4-Dimethoxystyrene |
| Latest JECFA evaluation |
2003 (Session 61) |
| Status of specification |
Full |
| Information required |
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| Chemical name |
4-Ethenyl-1,2-dimethoxybenzene |
| JECFA number |
1251 |
| CAS number |
6380-23-0 |
| FEMA number |
3138 |
| COE number |
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| FLAVIS number |
04.040 |
| Molecular weight |
164.2 |
| Chemical formula |
C10H12O2 |
| Physical form/odour |
colourless to yellow oily liquid; sweet, floral penetrating aroma |
| Solubility |
Slightly soluble in water |
| Solubility in ethanol |
soluble |
| Boiling point (°C) |
203-205° (20 mm Hg) |
| Assay min % |
99% |
| Acid value max |
1 |
| Refractive index |
1.520-1.526 |
| Specific gravity |
1.006-1.012 |
| Other requirements |
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| 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/1251.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1251.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/1251.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1251.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/1251.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/1251.gif" width="60px;"></a><br>)