4,4-dibromo-5-methyl-2H-pyrazol-3-one

Modify Date: 2025-08-25 20:04:07

4,4-dibromo-5-methyl-2H-pyrazol-3-one Structure
4,4-dibromo-5-methyl-2H-pyrazol-3-one structure
 Common Name 4,4-dibromo-5-methyl-2H-pyrazol-3-one
CAS Number 33549-66-5 Molecular Weight 255.89500
Density 2.44g/cm3 Boiling Point N/A
Molecular Formula C4H4Br2N2O Melting Point 129-132ºC
MSDS N/A Flash Point N/A

 Names

Name 4,4-dibromo-3-methyl-1H-pyrazol-5-one
Synonym More Synonyms

 Chemical & Physical Properties

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

 Safety Information

HS Code 2933199090

 Customs

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%

 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
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Chemsrc provides 4,4-dibromo-5-methyl-2H-pyrazol-3-one(CAS#:33549-66-5) MSDS, density, melting point, boiling point, structure, formula, molecular weight etc. Articles of 4,4-dibromo-5-methyl-2H-pyrazol-3-one are included as well.>> amp version: 4,4-dibromo-5-methyl-2H-pyrazol-3-one

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