3H-Pyrazol-3-one,4-bromo-1,2-dihydro-1,5-dimethyl-2-phenyl-

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Names

[ CAS No. ]:
5426-65-3

[ Name ]:
3H-Pyrazol-3-one,4-bromo-1,2-dihydro-1,5-dimethyl-2-phenyl-

[Synonym ]:
4-Brom-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-on
4-Bromphenazon
4-bromo-1,2-dihydro-1,5-dimethyl-2-phenyl-3H-pyrazol-3-one
4-bromo-1,5-dimethyl-2-phenyl-pyrazol-3-one
4-bromo-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one
4-bromo-1,5-dimethyl-2-phenyl-1,2-dihydro-3H-pyrazol-3-one
Bromoantipyrine

Chemical & Physical Properties

[ Density]:
1.525g/cm3

[ Boiling Point ]:
309.3ºC at 760mmHg

[ Melting Point ]:
117ºC

[ Molecular Formula ]:
C11H11BrN2O

[ Molecular Weight ]:
267.12200

[ Flash Point ]:
140.8ºC

[ Exact Mass ]:
266.00500

[ PSA ]:
26.93000

[ LogP ]:
2.24690

[ Index of Refraction ]:
1.63

MSDS

Safety Information

[ Risk Phrases ]:
36/37/38

[ Safety Phrases ]:
26-36/37/39

[ HS Code ]:
2933199090

Synthetic Route

Precursor & DownStream

Precursor

  • Antipyrine
  • Cyanogen bromide
  • Carbon tetrachloride
  • N-Bromosuccinimide
  • 1H-Pyrazole-4-carboxylicacid, 2,3-dihydro-1,5-dimethyl-3-oxo-2-phenyl-
  • Chloroform
  • Bromine

DownStream

  • 4-hydroxyantipyrine

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%