4H-1-Benzopyran-4-one,7-methoxy-3-(2,4,5-trimethoxyphenyl)-
- 中文别名:7,2\',4\',5\'-四甲氧基黄酮
- 英文别名:7-methoxy-3-(2,4,5-trimethoxyphenyl)chromen-4-one;
7,2',4',5'-tetramethoxyisoflavone;
7-Methoxy-3-<2,4,5-trimethoxy-phenyl>-chromen-4-on;
2',4',5',7-Tetramethoxy-isoflavon
- CAS No.:4253-02-5
- 分子式:C19H18O6
- 分子量:0
- 精确分子量:342.11000
- PSA:67.13000
- InChI:The Key: LMCHYXAZXISBOS-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.243g/cm3
- 沸点:
- 523.5ºC at 760mmHg
- 闪点:
- 231.4ºC
- 折射率:
- 1.574
安全信息
- 密度:
- 1.243g/cm3
- 沸点:
- 523.5ºC at 760mmHg
- 闪点:
- 231.4ºC
- 折射率:
- 1.574
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%