4H-1-Benzopyran-4-one,5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxy-
- 中文别名:5,4\'\'-二羟基-6,7,8-三甲氧基黄酮
- 英文别名:xanthomicrol;
5,4'-dihydroxy-6,7,8-trimethoxy flavone;
5-hydroxy-2-(4-hydroxyphenyl)-6,7,8-trimethoxychromen-4-one;
4',5-dihydroxy-6,7,8-trimethoxyflavone;
Xanthomicrol
- CAS No.:16545-23-6
- 分子式:C18H16O7
- 分子量:0
- 精确分子量:344.09000
- PSA:98.36000
- InChI:The Key: SAMBWAJRKKEEOR-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.387g/cm3
- 沸点:
- 609.9ºC at 760mmHg
- 闪点:
- 225ºC
- 折射率:
- 1.627
- 蒸汽压:
- 1.82E-15mmHg at 25°C
安全信息
- 密度:
- 1.387g/cm3
- 沸点:
- 609.9ºC at 760mmHg
- 闪点:
- 225ºC
- 折射率:
- 1.627
- 蒸汽压:
- 1.82E-15mmHg 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%