6H,11H-[2]Benzopyrano[4,3-c][1]benzopyran-6,11-dione
- 中文别名:异苯并吡喃并[4,3-c]苯并吡喃-6,11-二酮
- 中文释义:isochromeno[4,3-c]chromene-6,11-dione
- 英文别名:isochromeno[4,3-c]chromene-6,11-dione;
3.4:2'.3'>Isocumarinocumarin;
HMS1598H02;
5,12-Dioxa-chrysene-6,11-dione;
<2>benzopyrano<4,3-c>1>benzopyran-5,12-dione;
Cumarino<3.4:4'.3'>isocumarin
- cas No.:2288-98-4
- 分子式:C16H8O4
- 分子量:264.2323
- 精确分子量:264.04200
- PSA:60.42000
- InChI:The Key: CQOQPUAAVDHXQM-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.49g/cm3
- 沸点:
- 488.6ºC at 760mmHg
- 闪点:
- 260.5ºC
- 折射率:
- 1.708
- 蒸汽压:
- 1.07E-09mmHg at 25°C
安全信息
- 密度:
- 1.49g/cm3
- 沸点:
- 488.6ºC at 760mmHg
- 闪点:
- 260.5ºC
- 折射率:
- 1.708
- 蒸汽压:
- 1.07E-09mmHg at 25°C
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%