4H-1-Benzopyran-4-one,3,5,7,8-tetrahydroxy-2-(4-hydroxyphenyl)-
- 中文别名:4-氯-3-氟苯甲醛
- 中文释义:4-氯-3-氟苯甲醛;蜀葵苷元;草质素;蜀葵甙元;3,4\',5,7,8-五羟基黄酮;3,4´,5,7,8-五羟基黄酮
- 英文别名:3,5,7,8-tetrahydroxy-2-(4-hydroxyphenyl)chromen-4-one;
3,4′,5,7,8-pentahydroxyflavone;
Herbacetin;
8-Hydroxykaempferol;
3,5,7,8,4'-pentahydroxyflavone;
3,4',5,7,8-Pentahydroxyflavone
- CAS No.:527-95-7
- 分子式:C15H10O7
- 分子量:302.23600
- 精确分子量:302.04300
- PSA:131.36000
- InChI:InChI=1/C15H10O7/c16-7-3-1-6(2-4-7)14-13(21)12(20)10-8(17)5-9(18)11(19)15(10)22-14/h1-5,16-19,21H
- 分子结构式:
物化性质
- 密度:
- 1.799g/cm3
- 熔点:
- 284ºC
- 沸点:
- 618.7ºC at 760 mmHg
- 闪点:
- 239ºC
- 折射率:
- 1.823
安全信息
- 密度:
- 1.799g/cm3
- 熔点:
- 284ºC
- 沸点:
- 618.7ºC at 760 mmHg
- 闪点:
- 239ºC
- 折射率:
- 1.823
海关数据
中国海关编码:2914501900
- 概述:
- 2914501900 其他酮酚。监管条件:无。增值税率:17.0%。退税率:9.0%。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:
- 2914501900 other ketone-phenols。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%