4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxy-
- 中文别名:3,3\',4\',5,7-五羟基-8-甲氧基黄酮
- 英文别名:2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-8-methoxychromen-4-one;
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
- CAS No.:27500-34-1
- 分子式:C16H12O8
- 分子量:0
- 精确分子量:332.05300
- PSA:140.59000
- InChI:The Key: ZASFHSAGASJGRN-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.73g/cm3
- 沸点:
- 659.4ºC at 760 mmHg
- 闪点:
- 249.5ºC
- 折射率:
- 1.772
- 蒸汽压:
- 5.38E-18mmHg at 25°C
安全信息
- 密度:
- 1.73g/cm3
- 沸点:
- 659.4ºC at 760 mmHg
- 闪点:
- 249.5ºC
- 折射率:
- 1.772
- 蒸汽压:
- 5.38E-18mmHg 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%