4H-1-Benzopyran-4-one,5,7-dihydroxy-6,8-dimethoxy-2-(4-methoxyphenyl)-
- 中文别名:5,7-二羟基-6,8,4-三甲氧基黄酮
- 中文释义:5,7-二羟基-6,8,4\'-三甲氧基黄酮
- 英文别名:nevadensin;
5,7-dihydroxy-4',6,8-trimethoxyflavone;
5,7-Dihydroxy-6,8-dimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one;
5,7-Hexamethylene-2-thiaazulene-6-one;
5,7-hexamethylene-6H-cyclohepta[c]thiophen-6-one;
5,12-Methano-6H-cyclododeca[c]thiophen-14-one,6,7,8,9,10,11-hexahydro;
5,7-dihydroxy-6,8-dimethoxy-2-(4-methoxy-phenyl)-chromen-4-one;
5,7-dihydroxy-6,8-dimethoxyflavone;
5,7-dihydroxy-6,8,4'-trimethoxyflavone
- CAS No.:10176-66-6
- 分子式:C18H16O7
- 分子量:0
- 精确分子量:344.09000
- PSA:98.36000
- InChI:The Key: KRFBMPVGAYGGJE-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.387g/cm3
- 熔点:
- 199-200℃ (chloroform methanol )
- 沸点:
- 615ºC at 760 mmHg
- 闪点:
- 227ºC
- 折射率:
- 1.627
- 蒸汽压:
- 1.02E-15mmHg at 25°C
安全信息
- 密度:
- 1.387g/cm3
- 熔点:
- 199-200℃ (chloroform methanol )
- 沸点:
- 615ºC at 760 mmHg
- 闪点:
- 227ºC
- 折射率:
- 1.627
- 蒸汽压:
- 1.02E-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%