5,7-Dimethoxy-3,3,4-trihydroxyflavone
- 中文别名:5,7-二甲氧基-3,3\'\',4\'\'-三羟基黄酮
- 中文释义:5,7-二甲氧基-3,3\',4\'-三羟基黄酮
- 英文别名:4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxy-;
2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one;
FLAVONE,5,7-DIMETHOXY-3,3',4'-TRIHYDROXY;
2-(3,4-dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-one;
5,7-Dimethoxy-3,3',4'-trihydroxyflavone;
4H-1-Benzopyran-4-one,5,7-dimethoxy-3-hydroxy-2-(3',4'-dihydroxyphenyl);
2-(3,4-Dihydroxy-phenyl)-3-hydroxy-5,7-dimethoxy-chromen-4-on;
5,7-Di-O-methylquercetin;
2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxy-4H-chromen-4-one;
5,7-O-dimethylquercetin
- CAS No.:13459-07-9
- 分子式:C17H14O7
- 分子量:0
- 精确分子量:330.07396
- PSA:109.36000
- InChI:The Key: FXGCMNIMMTVBFZ-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.507±0.06 g/cm3
- 沸点:
- 608.8±55.0 °C
- 闪点:
- 228.0±25.0 °C
- 水溶解性:
- Sparingly Soluble (0.040 g/L)
- 折射率:
- 1.681
- 蒸汽压:
- 1.13E-15mmHg at 25°C
- 蒸汽密度:
- 1.13E-15 Torr
安全信息
- 密度:
- 1.507±0.06 g/cm3
- 沸点:
- 608.8±55.0 °C
- 闪点:
- 228.0±25.0 °C
- 水溶解性:
- Sparingly Soluble (0.040 g/L)
- 折射率:
- 1.681
- 蒸汽压:
- 1.13E-15mmHg at 25°C
- 蒸汽密度:
- 1.13E-15 Torr
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%