Food safety and quality
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香料 |
4-(2-Butenylidene)-3,5,5-trimethylcyclohex-2-en-1-one (mixture of isomers) |
同义词 |
Megastigmatrienone;2-Cyclohexen-1-one, 4-(2-butenylidene)-3,5,5-trimethyl- |
JECFA评价 |
2010 (Session 73) |
质量规格的状况 |
Full |
需要信息 |
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化学名称 |
Mixture of (E)-4-((E)-but-2-en-1-ylidene)-3,5,5-trimethylcyclohex-2-enone and (E)-4-((Z)-but-2-en-1-ylidene)-3,5,5-trimethylcyclohex-2-enone |
JECFA编码 |
2057 |
CAS编码 |
13215-88-8 |
FEMA编码 |
4663 |
COE编码 |
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FLAVIS编码 |
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分子量 |
190.28 |
化学结构式 |
C13H18O |
物理性状/气味 |
Clear to pale yellowish liquid; Fruity floral tobacco-like aroma |
溶解度 |
Practically insoluble or insoluble in water |
在乙醇中溶解度 |
Soluble |
沸点(C) |
95-110° (< 1 mm Hg) |
检测分钟% |
95% |
最大酸价值 |
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折射系数 |
1.536-1.556 |
比重 |
0.985-1.005 |
其他要求 |
Mixture of isomers: (50% E,E; 50% E,Z); SC: 5-6% 4,7,9-Megastigmatrien-3-one |
ID试验 |
HNMR IR MS |
光谱 |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/2057-hnmr.gif)
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/2057-ir.gif)
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/jecfa73/2057-ms.gif)
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