7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one
- 中文别名:7-羟基-2,3-二氢-1H-环戊并[C]苯并吡喃-4-酮
- 中文释义:7-羟基-2,3-二氢-1H-环戊并[c]苯并吡喃-4-酮;7-羟基-2,3-二氢-1H-环戊并[c]色烯-4-酮
- 英文别名:7-hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-one;
7-hydroxy-1,2,3-trihydrocyclopenta[1,2-c]chromen-4-one;
7-hydroxy-3,4-cyclopentenecoumarin;
7-Hydroxy-2,3-dihydro-1H-cyclopenta[c]chromen-4-on;
7-hydroxy-2,3-dihydrocyclopenta[c]chromen-4(1H)-one;
7-hydroxy-1,2,3,4-tetrahydrocyclopenta[c]chromen-4-one;
Cyclopentano-<1',2',4,3>-7-hydroxy-cumarin;
2,3-dihydro-7-hydroxycyclopenta[c][1]benzopyran-4(1H)one
- CAS No.:21260-41-3
- 分子式:C12H10O3
- 分子量:202.21
- 精确分子量:202.06300
- PSA:50.44000
- InChI:The Key: HLHZQJPJPNQANY-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.4g/cm3
- 沸点:
- 440.1ºC at 760 mmHg
- 闪点:
- 201.9ºC
- 折射率:
- 1.66
- 蒸汽压:
- 2.35E-08mmHg at 25°C
安全信息
- 密度:
- 1.4g/cm3
- 沸点:
- 440.1ºC at 760 mmHg
- 闪点:
- 201.9ºC
- 折射率:
- 1.66
- 蒸汽压:
- 2.35E-08mmHg at 25°C
海关数据
中国海关编码:2914400090
- 概述:
- 2914400090 其他酮醇及酮醛。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:
- 2914400090 other ketone-alcohols and ketone-aldehydes。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:5.5%。General tariff:30.0%