4H-1-Benzopyran-4-one,5,7-dihydroxy-2-(2-hydroxyphenyl)-
- 中文别名:5,7,2-三羟基黄酮
- 中文释义:5,7,2-三羟基黄酮
- 英文别名:5,7-dihydroxy-2-(2-hydroxyphenyl)chromen-4-one;
2',5,7-Trihydroxy-flavon;
2',5,7-trihydroxyflavone;
5,7,2'-Trihydroxyflavone;
5,7,2'-Trihydroxyflavon
- CAS No.:73046-40-9
- 分子式:C15H10O5
- 分子量:270.24
- 精确分子量:270.05300
- PSA:90.90000
- InChI:The Key: OFYPDAKTVZXXPC-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.548g/cm3
- 沸点:
- 537.4ºC at 760 mmHg
- 闪点:
- 209.7ºC
- 折射率:
- 1.732
安全信息
- 密度:
- 1.548g/cm3
- 沸点:
- 537.4ºC at 760 mmHg
- 闪点:
- 209.7ºC
- 折射率:
- 1.732
海关数据
中国海关编码:2932999099
- 概述:
- 2932999099. 其他仅含氧杂原子的杂环化合物. 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:20.0%
- 申报要素:
- 品名, 成分含量, 用途
- 摘要/Summary:
- 2932999099. other heterocyclic compounds with oxygen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%