2H-1-Benzopyran-6-carboxylicacid, 2-oxo-
- 中文别名:6-羧基香豆素
- 中文释义:6-羧基香豆素;香豆素-6-羧酸
- 英文别名:2-oxochromene-6-carboxylic acid;
2-Oxo-2H-chromene-6-carboxylic acid;
2-oxo-1-benzopyran-6-carboxylic acid;
2-oxo-2H-1-benzopyran-6-carboxylic acid;
6-Carboxycoumarin;
2-Oxo-2H-chromen-6-carbonsaeure;
Coumarin-6-carboxylic acid;
2-Oxo-2H-1-benzopyran-6-carboxylsaeure
- CAS No.:7734-80-7
- 分子式:C10H6O4
- 分子量:190.15200
- 精确分子量:190.02700
- PSA:67.51000
- InChI:InChI=1/C10H6O4/c11-9-4-2-6-5-7(10(12)13)1-3-8(6)14-9/h1-5H,(H,12,13)
- 分子结构式:
物化性质
- 密度:
- 1.466g/cm3
- 沸点:
- 440ºC at 760 mmHg
- 闪点:
- 185.4ºC
- 折射率:
- 1.639
安全信息
- 密度:
- 1.466g/cm3
- 沸点:
- 440ºC at 760 mmHg
- 闪点:
- 185.4ºC
- 折射率:
- 1.639
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%