英文名 | 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxychromen-4-one |
---|---|
英文别名 |
3,5,7,3',4'-pentahydroxy-8-methoxyflavone
gossypetin 8-methyl ether 2-(3,4-dihydroxy-phenyl)-3,5,7-trihydroxy-8-methoxy-chromen-4-one 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-4H-chromen-4-one Corniculatusin 8-methoxyquercetin 3,3',4',5,7-Pentahydroxy-8-methoxyflavon |
密度 | 1.73g/cm3 |
---|---|
沸点 | 659.4ºC at 760 mmHg |
分子式 | C16H12O8 |
分子量 | 332.26200 |
闪点 | 249.5ºC |
精确质量 | 332.05300 |
PSA | 140.59000 |
LogP | 1.99660 |
蒸汽压 | 5.38E-18mmHg at 25°C |
折射率 | 1.772 |
海关编码 | 2914509090 |
---|
上游产品 2 | |
---|---|
下游产品 0 |
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% |