5457-19-2
5457-19-2结构式
- 常用中文名：2,4(3H,5H)-Furandione,5-methyl-
- 常用英文名：2,4(3H,5H)-Furandione,5-methyl-
- CAS号：5457-19-2
- 分子式：C5H6O3
- 分子量：114.09900
- 发布时间：2017-08-29 15:22:22
- 更新时间：2025-08-24 13:47:27
| 英文名 | 5-methyloxolane-2,4-dione |
|---|---|
| 英文别名 |
5-methyl-2,4(3H,5H)-furandione
5-methylfuran-2,4(3h,5h)-dione (+-)-4-hydroxy-3-oxo-valeric acid-lactone 5-methyl-furan-2,4-dione (+-)-4-Hydroxy-3-oxo-valeriansaeure-lacton VALERIC ACID,Y-LACTONE 5-methyltetronic acid 5-Methyl-furan-2,4-dion |
| 密度 | 1.23g/cm3 |
|---|---|
| 沸点 | 291.1ºC at 760mmHg |
| 分子式 | C5H6O3 |
| 分子量 | 114.09900 |
| 闪点 | 132.1ºC |
| 精确质量 | 114.03200 |
| PSA | 43.37000 |
| 折射率 | 1.452 |
| 海关编码 | 2932190090 |
|---|
| 上游产品 0 | |
|---|---|
| 下游产品 1 | |
| 海关编码 | 2932190090 |
|---|---|
| 中文概述 | 2932190090 其他结构上有非稠合呋喃环化合物. 增值税率:17.0% 退税率:9.0% 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 |
| Summary | 2932190090 other compounds containing an unfused furan ring (whether or not hydrogenated) in the structure VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:20.0% |