4H-1-Benzopyran-4-one,2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-6,7-dimethoxy-
- 中文别名:3,5,3’,4’-四羟基-6,7-二甲氧基黄酮
- 中文释义:3,5,3’,4’-四羟基-6,7-二甲氧基黄酮;3,5,3\',4\'-四羟基-6,7-二甲氧基黄酮
- 英文别名:eupatolitin;
2-(3,4-dihydroxyphenyl)-3,5-dihydroxy-6,7-dimethoxychromen-4-one;
Eupatolitin;
3,5,3',4'-tetrahydroxy-6,7-dimethoxyflavone;
3,3',4',5-tetrahydroxy-6,7-dimethoxyflavone;
6,7-dimethoxy-3,5,3',4'-tetrahydroxyflavone;
6,7-dimethoy-3,5,3',4'-tetrahydroxylflavone;
Eupatoletin
- CAS No.:29536-44-5
- 分子式:C17H14O8
- 分子量:346.28800
- 精确分子量:346.06900
- PSA:129.59000
- InChI:The Key: WYKWHSPRHPZRCR-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.591g/cm3
- 沸点:
- 640ºC at 760 mmHg
- 闪点:
- 238.7ºC
- 折射率:
- 1.707
- 蒸汽压:
- 2.94E-17mmHg at 25°C
安全信息
- 密度:
- 1.591g/cm3
- 沸点:
- 640ºC at 760 mmHg
- 闪点:
- 238.7ºC
- 折射率:
- 1.707
- 蒸汽压:
- 2.94E-17mmHg 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%