33549-66-5
33549-66-5 structure
- Name: 4,4-dibromo-5-methyl-2H-pyrazol-3-one
- Chemical Name: 4,4-dibromo-3-methyl-1H-pyrazol-5-one
- CAS Number: 33549-66-5
- Molecular Formula: C4H4Br2N2O
- Molecular Weight: 255.89500
- Create Date: 2018-12-22 17:09:23
- Modify Date: 2024-01-09 18:30:50
| Name | 4,4-dibromo-3-methyl-1H-pyrazol-5-one |
|---|---|
| Synonyms |
4,4-dibromo-5-methyl-2,4-dihydro-3H-pyrazol-3-one
4,4-dibromo-3-methylpyrazol-5-one 4,4-dibromo-3-methyl-1H-pyrazolin-5-one 3-methyl-4,4-dibromo-2-pyrazolin-5-one 4,4-dibromo-3-methyl-1,4-dihydro-pyrazol-5-one 4,4-Dibromo-3-methyl-2-pyrazolin-5-on 4,4-DIBROMO-3-METHYL-2-PYRAZOLIN-5-ONE 4,4-Dibromo-3-methyl-2-pyrazolin-5-one |
| Density | 2.44g/cm3 |
|---|---|
| Melting Point | 129-132ºC |
| Molecular Formula | C4H4Br2N2O |
| Molecular Weight | 255.89500 |
| Exact Mass | 253.86900 |
| PSA | 41.46000 |
| LogP | 0.74260 |
| Index of Refraction | 1.71 |
| HS Code | 2933199090 |
|---|
| Precursor 3 | |
|---|---|
| DownStream 8 | |
![2,6-dibromo-1,5-dimethylpyrazolo[1,2-a]pyrazole-3,7-dione structure](https://www.chemsrc.com/caspic/158/74235-59-9.png)
![2,3,6,7-Tetramethyl-1,5-diazabicyclo[3.3.0]octa-2,6-diene-4,8-dione structure](https://www.chemsrc.com/caspic/223/68654-23-9.png)
![3,7-dimethylpyrazolo[4,3-e][1,3,4]oxadiazine structure](https://www.chemsrc.com/caspic/151/436085-95-9.png)
| HS Code | 2933199090 |
|---|---|
| Summary | 2933199090. other compounds containing an unfused pyrazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |