ethyl 4-hydroxy-2-oxochromene-3-carboxylate
- 中文别名:(3E)-3-[乙氧基(羟基)甲亚基]-2H-色烯-2,4(3H)-二酮
- 中文释义:(3E)-3-[乙氧基(羟基)甲亚基]-2H-色烯-2,4(3H)-二酮
- 英文别名:ethyl 4-hydroxy-2-oxochromene-3-carboxylate;
ethyl 4-hydroxy-2-oxo-2H-chromene-3-carboxylate;
3-ethoxycarbonyl-4-hydroxycoumarin;
4-hydroxy-2-oxo-2H-chromene-3-carboxylic acid ethyl ester;
3-carbethoxy-4-hydroxy-coumarin
- CAS No.:1821-20-1
- 分子式:
C12H10O5
- 分子量:234.20500
- 精确分子量:234.05300
- PSA:76.74000
- InChI:The Key: RAGGBDBRGYOOED-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.41g/cm3
- 沸点:
- 370.9ºC at 760 mmHg
- 闪点:
- 144.2ºC
- 折射率:
- 1.603
- 蒸汽压:
- 3.71E-06mmHg at 25°C
安全信息
- 密度:
- 1.41g/cm3
- 沸点:
- 370.9ºC at 760 mmHg
- 闪点:
- 144.2ºC
- 折射率:
- 1.603
- 蒸汽压:
- 3.71E-06mmHg at 25°C
海关数据
中国海关编码:2932209090
- 概述:
- 2932209090. 其他内酯. 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:
- 2932209090. other lactones. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%