4H-1-Benzopyran-4-one,5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)-
- 中文别名:5,6-二羟基-7,4-二甲氧基黄酮
- 中文释义:5,6-二羟基-7,4\'-二甲氧基黄酮;5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one
- 英文别名:5,6-dihydroxy-7-methoxy-2-(4-methoxyphenyl)chromen-4-one;
5,6-Dihydroxy-4',7-dimethoxyflavone;
ladanein;
scutellarein 7,4'-dimethylether;
5,6-dihydroxy-7,4'-dimethoxyflavone
- CAS No.:10176-71-3
- 分子式:C17H14O6
- 分子量:314.28946
- 精确分子量:314.07900
- PSA:89.13000
- InChI:The Key: UUQJTIHOVGMQIH-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.402g/cm3
- 熔点:
- 310-313℃
- 沸点:
- 565.7ºC at 760 mmHg
- 闪点:
- 212.4ºC
- 折射率:
- 1.645
- 蒸汽压:
- 2.11E-13mmHg at 25°C
安全信息
- 密度:
- 1.402g/cm3
- 熔点:
- 310-313℃
- 沸点:
- 565.7ºC at 760 mmHg
- 闪点:
- 212.4ºC
- 折射率:
- 1.645
- 蒸汽压:
- 2.11E-13mmHg at 25°C
海关数据
中国海关编码:2914509090
- 概述:
- 2914509090 含其他含氧基的酮. 增值税率:17.0% 退税率:9.0% 监管条件:无 最惠国关税:5.5% 普通关税:30.0%
- 申报要素:
- 品名, 成分含量, 用途, 丙酮报明包装
- 摘要/Summary:
- HS:2914509090 other ketones with other oxygen function VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:5.5% General tariff:30.0%