Food safety and quality
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香料 |
4-Hydroxy-3-pentenoic acid lactone |
同义词 |
Pent-3-en-1,4-lactone;alpha-Angelica lactone |
JECFA评价 |
1998 (Session 51) |
质量规格的状况 |
Full |
需要信息 |
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化学名称 |
3-Penten-4-olide;5-Methyl-2(3H)-furanone |
JECFA编码 |
221 |
CAS编码 |
591-12-8 |
FEMA编码 |
3293 |
COE编码 |
731 |
FLAVIS编码 |
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分子量 |
98.1 |
化学结构式 |
C5H6O2 |
物理性状/气味 |
clear, light to dark yellow liquid with a sweet herbaceous odour reminiscent of tobacco |
溶解度 |
soluble in alcohol, slightly soluble in water |
在乙醇中溶解度 |
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沸点(C) |
167-170° |
检测分钟% |
95.0% |
最大酸价值 |
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折射系数 |
1.443-1.451 |
比重 |
1.084 (20°/20°) |
其他要求 |
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ID试验 |
IR |
光谱 |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/221.gif)
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