5-Hydroxy-6,7-dimethoxy-2-phenyl-4H-chromen-4-one
- 中文别名:5-羟基-6,7-二甲氧基黄酮
- 中文释义:5-羟基-6,7-二甲氧基黄酮;5-羟基-6,7-二甲氧基-2-苯基-4H-色烯-4-酮
- 英文别名:5-Hydroxy-6,7-dimethoxy-2-phenyl-4H-chromen-4-one;
5-hydroxy-6,7-dimethoxy-2-phenylchromen-4-one
- CAS No.:740-33-0
- 分子式:C17H14O5
- 分子量:298.29000
- 精确分子量:298.08400
- PSA:68.90000
- InChI:The Key: SIVAITYPYQQYAP-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.321g/cm3
- 熔点:
- 163-164ºC (chloroform , acetone )
- 沸点:
- 508.5ºC at 760 mmHg
- 闪点:
- 190.5ºC
- 折射率:
- 1.621
安全信息
- 密度:
- 1.321g/cm3
- 熔点:
- 163-164ºC (chloroform , acetone )
- 沸点:
- 508.5ºC at 760 mmHg
- 闪点:
- 190.5ºC
- 折射率:
- 1.621
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%