6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one
- 中文别名:6-乙酰-7-羟基-4-甲基-苯并吡喃-2-酮
- 中文释义:6-乙酰基-7-羟基-4-甲基-2H-色烯-2-酮
- 英文别名:6-acetyl-7-hydroxy-4-methylchromen-2-one;
4-methyl-6-acetyl-7-hydroxycoumarin;
6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-onea;
6-acetyl-7-hydroxy-4-methyl-2H-1-benzopyran-2-one;
HMS2469O24;
6-acetyl-7-hydroxy-4-methyl-2H-chromen-2-one;
7-hydroxy-6-acetyl-4-methylcoumarin;
6-acetyl-7-hydroxy-4-methylcoumarin
- cas No.:16555-98-9
- 分子式:
- 分子量:218.2054
- 精确分子量:218.05800
- PSA:67.51000
- InChI:The Key: AYAFDQIOLUUJHW-UHFFFAOYSA-N
- 分子结构式:
物化性质
- 密度:
- 1.322g/cm3
- 沸点:
- 439.8ºC at 760 mmHg
- 闪点:
- 176.7ºC
- 折射率:
- 1.598
- 蒸汽压:
- 2.39E-08mmHg at 25°C
安全信息
- 密度:
- 1.322g/cm3
- 沸点:
- 439.8ºC at 760 mmHg
- 闪点:
- 176.7ºC
- 折射率:
- 1.598
- 蒸汽压:
- 2.39E-08mmHg 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%