2,5-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine and 2,7-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine;
名称: | 2,5-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine and 2,7-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine; |
别名: | 38917-61-2 38917-62-3 Mixture of 2,5 and 2,7-Dimethyl-6,7-dihydro-5H-cyclopentapyrazine
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分子式: | C9H12N2 |
分子量: | 148.2 |
COE编码: | 11309, 11310 |
FEMA: | 4702 |
FLAVIS: | 14.098, 14.161 |
JECFA: | 2128 |
JECFA信息:
最近的JECFA评价的日期和会议次数: | 2012 (Session 76) | 质量规格的状况: | Full | 物理形状/气味: | Colourless to pale yellow liquid; Roasted coffee aroma | 溶解度: | Practically insoluble to insoluble in water | 乙醇中溶解度: | Soluble | 沸点(℃): | 230-231℃ | 最低检测值%: | 95% | 折射系数: | 1.524-1.532 | 比重: | 1.020-1.030 | 其他要求: | 2,5-isomer (60-75%); 2,7-isomer (35-40%) | 验证实验: | MS IR HNMR | 光谱图:
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