3H-2-Benzopyran-3-one,1,4-dihydro-6,7-dimethoxy-
- 中文别名:6,7-二甲氧基-3-异苯并二氢吡喃-4-酮
- 中文释义:6,7-二甲氧基-3-异苯并二氢吡喃-4-酮
- 英文别名:6,7-dimethoxy-1,4-dihydroisochromen-3-one;
6,7-dimethoxychroman-3-one;
6,7-dimethoxy-1,4-dihydro-3H-isochromen-3-one;
6,7-dimethoxy-3-isochromanone;
6,7-dimethoxy-3,4-dihydro-1H-2-benzopyran-3-one;
dimethoxy-6,7 isochromanone;
6,7-dimethoxyisochroman-3-one;
6,7-dimethoxy-3-isochroman-3-one
- cas No.:16135-41-4
- 分子式:C11H12O4
- 分子量:208.21
- 精确分子量:208.07400
- PSA:44.76000
- InChI:The Key: XEZRPKWKRMROBK-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.211g/cm3
- 沸点:
- 398ºC at 760 mmHg
- 闪点:
- 180.8ºC
- 折射率:
- 1.535
- 蒸汽压:
- 1.52E-06mmHg at 25°C
安全信息
- 密度:
- 1.211g/cm3
- 沸点:
- 398ºC at 760 mmHg
- 闪点:
- 180.8ºC
- 折射率:
- 1.535
- 蒸汽压:
- 1.52E-06mmHg 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%