Food safety and quality
|
|
|
香料 |
(R)-5-hydroxy-4-(4’-hydroxy-3’-methoxyphenyl)-7-methylchroman2-one |
同义词 |
(4R)-4-(4-Hydroxy-3-methoxyphenyl)-5,7-dimethyl-3,4-dihydro-2H-1- benzopyran-2-one
|
JECFA评价 |
2020 (Session 89) |
质量规格的状况 |
Full |
需要信息 |
|
化学名称 |
(4R)-4-(4-hydroxy-3-methoxyphenyl)-5,7-dimethyl-3,4-dihydro-2H-1-benzopyran-2-one |
JECFA编码 |
2261 |
CAS编码 |
1793064-68-2 |
FEMA编码 |
4834 |
COE编码 |
|
FLAVIS编码 |
|
分子量 |
300.31 |
化学结构式 |
C17H16O5 |
物理性状/气味 |
White powder; Bland aroma |
溶解度 |
Practically insoluble to insoluble |
在乙醇中溶解度 |
Very slightly soluble |
沸点(C) |
|
检测分钟% |
95% |
最大酸价值 |
|
折射系数 |
|
比重 |
|
其他要求 |
mp: 149-150°; Optical rotation: +25° (20 °C, c = 1.0 g/100 mL in absolute ethanol) |
ID试验 |
MS HNMR |
光谱 |
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/4834_MS.gif)
![](https://www.fao.org/fileadmin/user_upload/jecfa/img/4834_HNMR.gif)
|
|
|
|