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Inocuidad y calidad de los alimentos
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| Aromatizante |
(3, 5 or 6)-Methylthio-2-methylpyrazine |
| Sinónimos(s) |
2-Methyl-3,5-or 6-methylthiopyrazine;Methylpyrazinyl methyl sulfides (mixture) |
| Última evaluación del JECFA |
2001 (Session 57) |
| Estado de la Especificación |
Full |
| Información necesaria |
|
| Nombre químico |
Mixture of 2-Methyl-3-(methylthio)pyrazine and 2-Methyl-5-(methylthio)pyrazine and 2-Methyl-6-(methylthio)pyrazine |
| Número del JECFA |
797 |
| Número del CAS |
67952-65-2;2882-20-4;2884-14-2;2884-13-1 |
| Número de la FEMA |
3208 |
| Número del COE |
2290 |
| Número FLAVIS |
|
| Peso molecular |
140.21 |
| Fórmula química |
C6H8N2S |
| Forma física/olor |
colourless to light yellow liquid with a cooked meat, roasted, almond, nutty, vegetable odour |
| Solubilidad |
miscible at room temperature |
| Solubilidad en etanol |
miscible at room temperature |
| Punto de ebullición (°C) |
85-87° (10 mm Hg) |
| Ensayo % mín. |
99% (sum of isomers) |
| Índice de acidez máx. |
|
| Índice de refracción |
1.570-1.590 |
| Peso específico |
1.133-1.153 |
| Otros requisitos |
|
| Prueba de identificación |
IR |
| Espectro |
 
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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/797.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/797.gif" width="60px;"></a><br>&dname=<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/797.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/797.gif" width="60px;"></a><br> "Download")
![](fileadmin/user_upload/jecfa/img/<a href="http://www.fao.org/fileadmin/user_upload/jecfa/img/797.gif" target=_blank><img src="http://www.fao.org/fileadmin/user_upload/jecfa/img/797.gif" width="60px;"></a><br>)