8,8-dimethylpyrano[2,3-f]chromen-2-one
- 中文别名:邪蒿素
- 英文别名:8,8-dimethylpyrano[2,3-f]chromen-2-one;
Seselin;
Amyrolin;
2H,8H-Benzo(1,2-b:3,4-b')dipyran-2-one,8,8-dimethyl;
Sesalin;
8,8-Dimethyl-2H,8H-pyrano[2,3-f]chromen-2-one;
Pyranocoumarin deriv.
- CAS No.:523-59-1
- 分子式:C14H12O3
- 分子量:228.24300
- 精确分子量:228.07900
- PSA:39.44000
- InChI:The Key: QUVCQYQEIOLHFZ-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.222g/cm3
- 沸点:
- 403ºC at 760 mmHg
- 闪点:
- 170.5ºC
- 折射率:
- 1.583
安全信息
- 密度:
- 1.222g/cm3
- 沸点:
- 403ºC at 760 mmHg
- 闪点:
- 170.5ºC
- 折射率:
- 1.583
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%