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| 中文名 | 5,7-二甲氧基-3,3',4'-三羟基黄酮 |
|---|---|
| 英文名 | 2-(3,4-dihydroxyphenyl)-3-hydroxy-5,7-dimethoxychromen-4-one |
| 英文别名 |
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 |
| 密度 | 1.507g/cm3 |
|---|---|
| 沸点 | 608.8ºC at 760 mmHg |
| 分子式 | C17H14O7 |
| 分子量 | 330.28900 |
| 闪点 | 228ºC |
| 精确质量 | 330.07400 |
| PSA | 109.36000 |
| LogP | 2.59400 |
| 蒸汽压 | 1.13E-15mmHg at 25°C |
| 折射率 | 1.681 |
| 海关编码 | 2914509090 |
|---|
| 海关编码 | 2914509090 |
|---|---|
| 中文概述 | 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 |
| 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% |