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Sécurité sanitaire et qualité des aliments
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| Aromatisant |
(3, 5 or 6)-Methylthio-2-methylpyrazine |
| Synonyme(s) |
2-Methyl-3,5-or 6-methylthiopyrazine;Methylpyrazinyl methyl sulfides (mixture) |
| Evaluation la plus récente du JECFA |
2001 (Session 57) |
| Statut de la spécification |
Full |
| Informations requises |
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| Nom chimique |
Mixture of 2-Methyl-3-(methylthio)pyrazine and 2-Methyl-5-(methylthio)pyrazine and 2-Methyl-6-(methylthio)pyrazine |
| Numéro JECFA |
797 |
| Numéro CAS |
67952-65-2;2882-20-4;2884-14-2;2884-13-1 |
| Numéro FEMA |
3208 |
| Numéro COE |
2290 |
| Numéro FLAVIS |
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| Poids moléculaire |
140.21 |
| Formule chimique |
C6H8N2S |
| Aspect physique/odeur |
colourless to light yellow liquid with a cooked meat, roasted, almond, nutty, vegetable odour |
| Solubilité |
miscible at room temperature |
| Solubilité dans l’éthanol |
miscible at room temperature |
| Point d’ébullition (°C) |
85-87° (10 mm Hg) |
| Dosage % |
99% (sum of isomers) |
| Acidité max |
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| Indice de réfraction |
1.570-1.590 |
| Densité |
1.133-1.153 |
| Autres prescriptions |
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| Essai d’identification |
IR |
| Spectre |
 
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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>)