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位置:首页 > 资料中心 > 香料香精 > 2,5-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine and 2,7-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine;
名称、CAS号查询:  

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
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:
2,5-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine and 2,7-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine;光谱图1

2,5-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine and 2,7-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine;光谱图2

2,5-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine and 2,7-Dimethyl-6,7-dihydro-5H-cyclopenta[b]pyrazine;光谱图3

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