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
InChIKey QQQQLBQGDDSBCA-UHFFFAOYSA-N
SMILES CC1=NNC(=O)C1(Br)Br

 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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