4H-1-Benzopyran-4-one,5,7-dimethoxy-2-phenyl-
- 中文别名:柯因二甲醚
- 中文释义:柯因二甲醚;5,7-二甲氧基黄酮
- 英文别名:chrysin 5,7-dimethyl ether;
5,7-dimethoxy-2-phenylchromen-4-one;
5,7-dimethoxy-2-phenyl-chromen-4-one;
Chrysin 5,7-dimethyl ether;
5,7-Dimethoxyflavone;
5,7-dimethoxy-2-phenyl-4H-1-benzopyran-4-one;
5,7-dimethoxycrysin;
Dimethylchrysin;
Chrysin DME;
5,7-dimethoxyflavonone;
4H-1-Benzopyran-4-one,5,7-dimethoxy-2-phenyl;
5,7-dimethoxy-2-phenyl-4H-chromen-4-one;
2-phenyl-5,7-dimethoxyl-flavone;
Chrysindimethylether
- CAS No.:21392-57-4
- 分子式:C17H14O4
- 分子量:282.2907
- 精确分子量:282.08900
- PSA:48.67000
- InChI:The Key: JRFZSUMZAUHNSL-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 外观与性状:
- 白色晶体
- 密度:
- 1.242 g/cm3
- 熔点:
- 150-152ºC
- 沸点:
- 476.6ºC at 760 mmHg
- 闪点:
- 213.4ºC
- 折射率:
- 1.598
- 蒸汽压:
- 3.01E-09mmHg at 25°C
安全信息
- 外观与性状:
- 白色晶体
- 密度:
- 1.242 g/cm3
- 熔点:
- 150-152ºC
- 沸点:
- 476.6ºC at 760 mmHg
- 闪点:
- 213.4ºC
- 折射率:
- 1.598
- 蒸汽压:
- 3.01E-09mmHg 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%