Food safety and quality
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香料 |
Mixture of 3,5- and 3,6-Dimethyl-2-isobutylpyrazine |
同义词 |
2-iso Butyl-3,(5 and 6)-dimethylpyrazine;3,5 and 3,6-Dimethyl-2-isobutyl pyrazine |
JECFA评价 |
2012 (Session 76) |
质量规格的状况 |
Full |
需要信息 |
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化学名称 |
3,5-Dimethyl-2-(2-methylpropyl)pyrazine and 3,6-Dimethyl-3-(2-methylpropyl)pyrazine |
JECFA编码 |
2130 |
CAS编码 |
38888-81-2;70303-42-3 |
FEMA编码 |
4100 |
COE编码 |
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FLAVIS编码 |
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分子量 |
164.25 |
化学结构式 |
C10H16N2 |
物理性状/气味 |
Colourless transparent liquid; Roasted woody, meaty aroma with nutty cocoa notes |
溶解度 |
Practically insoluble to insoluble in water |
在乙醇中溶解度 |
Soluble |
沸点(C) |
73-75° (2 mm Hg) |
检测分钟% |
95% |
最大酸价值 |
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折射系数 |
1.491-1.494 |
比重 |
0.924-0.929 |
其他要求 |
3,5-isomer (48-50%); 3,6-isomer (48-50%) |
ID试验 |
HNMR |
光谱 |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa76/2130-hnmr.gif)
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