20189-42-8
20189-42-8 structure
- Name: 2-ethyl-3-methylmaleimide
- Chemical Name: 3-ethyl-4-methylpyrrole-2,5-dione
- CAS Number: 20189-42-8
- Molecular Formula: C7H9NO2
- Molecular Weight: 139.152
- Create Date: 2018-12-25 12:27:08
- Modify Date: 2024-01-02 11:17:06
| Name | 3-ethyl-4-methylpyrrole-2,5-dione |
|---|---|
| Synonyms |
1H-Pyrrole-2,5-dione, 3-ethyl-4-methyl-
2-ethyl-3-methylMi 3-Ethyl-4-methyl-1H-pyrrole-2,5-dione Maleimide,2-ethyl-3-methyl 3-methyl-4-ethyl-1H-pyrrole-2,5-dione 2-ethyl-3-methylmaleimide 1H-Pyrrole-2,5-dione ethyl methyl maleimide |
| Density | 1.1±0.1 g/cm3 |
|---|---|
| Boiling Point | 253.8±9.0 °C at 760 mmHg |
| Molecular Formula | C7H9NO2 |
| Molecular Weight | 139.152 |
| Flash Point | 119.3±18.9 °C |
| Exact Mass | 139.063324 |
| PSA | 46.17000 |
| LogP | 1.42 |
| Vapour Pressure | 0.0±0.5 mmHg at 25°C |
| Index of Refraction | 1.485 |
| HS Code | 2925190090 |
|---|
| Precursor 4 | |
|---|---|
| DownStream 0 | |
![3,7,11,15-tetramethylhexadec-2-en-1-yl [3S-[3alpha(2E,7S*,11S*),4beta,21beta]]-14-ethyl-21-(methoxycarbonyl)-4,8,13,18-tetramethyl-20-oxo-9-vinylphorbine-3-propionate structure](https://image.chemsrc.com/caspic/017/603-17-8.png)
| HS Code | 2925190090 |
|---|---|
| Summary | 2925190090 other imides and their derivatives; salts thereof VAT:17.0% Tax rebate rate:9.0% Supervision conditions:none MFN tariff:6.5% General tariff:30.0% |