4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(2,4,5-trihydroxyphenyl)-
- 中文别名:5,7-二羟基-2-(2,4,5-三羟基苯基)-4H-1-苯并吡喃-4-酮
- 英文别名:isoetin;
5,7,2',4',5'-Pentahydroxyflavone;
5,7,3',4',6'-Pentahydroxy-flavon;
Isoetin;
5,7-dihydroxy-2-(2,4,5-trihydroxyphenyl)chromen-4-one;
5,7-dihydroxy-2-(2,4,5-trihydroxy-phenyl)-chromen-4-one
- CAS No.:1621-84-7
- 分子式:C15H10O7
- 分子量:302.2357
- 精确分子量:302.04300
- PSA:131.36000
- InChI:The Key: DSNIERNBMAVNJI-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.763g/cm3
- 沸点:
- 682.4ºC at 760mmHg
- 闪点:
- 263.3ºC
- 折射率:
- 1.804
- 蒸汽压:
- 3E-19mmHg at 25°C
安全信息
- 密度:
- 1.763g/cm3
- 沸点:
- 682.4ºC at 760mmHg
- 闪点:
- 263.3ºC
- 折射率:
- 1.804
- 蒸汽压:
- 3E-19mmHg at 25°C
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%