4-Methyl-5-hydroxy-2(5H)-furanone
- 中文别名:4-甲基-5-羟基呋喃-2-酮
- 中文释义:4-甲基-5-羟基呋喃-2-酮;3-甲基-4-羟基丁烯酸内酯;环状物;异维A酸环状物
- 英文别名:5-Hydroxy-4-Methyl-2(5H)Furanone;
2-hydroxy-3-methyl-2H-furan-5-one;
5-Hydroxy-4-methyl-2(5H)-furanone;
5-Hydroxy-4-methylfuran-2(5H)-one
- CAS No.:40834-42-2
- 分子式:
C5H6O3
- 分子量:114.1?
- 精确分子量:114.03200
- PSA:46.53000
- InChI:InChI=1/C5H6O3/c1-3-2-4(6)8-5(3)7/h2,5,7H,1H3
- 分子结构式:
物化性质
- 密度:
- 1.349g/cm3
- 沸点:
- 328.1ºC at 760mmHg
- 闪点:
- 163.2ºC
- 折射率:
- 1.529
安全信息
- 密度:
- 1.349g/cm3
- 沸点:
- 328.1ºC at 760mmHg
- 闪点:
- 163.2ºC
- 折射率:
- 1.529
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%