Introduction：Basic information about CAS 33549-66-5|4,4-dibromo-5-methyl-2H-pyrazol-3-one, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.
| Common Name | 4,4-dibromo-5-methyl-2H-pyrazol-3-one |
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| CAS Number | 33549-66-5 | Molecular Weight | 255.89500 |
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| Density | 2.44g/cm3 | Boiling Point | / |
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| Molecular Formula | C4H4Br2N2O | Melting Point | 129-132ºC |
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| MSDS | / | Flash Point | / |
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Names
| Name | 4,4-dibromo-3-methyl-1H-pyrazol-5-one |
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| Synonym | More Synonyms |
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Chemical & Physical Properties
| Density | 2.44g/cm3 |
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| Melting Point | 129-132ºC |
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| Molecular Formula | C4H4Br2N2O |
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| Molecular Weight | 255.89500 |
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| Exact Mass | 253.86900 |
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| PSA | 41.46000 |
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| LogP | 0.74260 |
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| Index of Refraction | 1.71 |
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| InChIKey | QQQQLBQGDDSBCA-UHFFFAOYSA-N |
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| SMILES | CC1=NNC(=O)C1(Br)Br |
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Safety Information
Customs
| HS Code | 2933199090 |
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| 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% |
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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 |
