4,5-Dibromopyridazin-3-one

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Names

[ CAS No. ]:
5788-58-9

[ Name ]:
4,5-Dibromopyridazin-3-one

[Synonym ]:
4,5-Dibromo-3(2H)-pyridazinone
4,5-dibromo-1H-pyridazin-6-one
3(2H)-Pyridazinone, 4,5-dibromo-
MFCD00023641
4,5-dibromopyridazin-3(2H)-one

Chemical & Physical Properties

[ Density]:
2.5±0.1 g/cm3

[ Boiling Point ]:
365.6ºC at 760mmHg

[ Melting Point ]:
231-233°C

[ Molecular Formula ]:
C4H2Br2N2O

[ Molecular Weight ]:
253.880

[ Exact Mass ]:
251.853378

[ PSA ]:
45.75000

[ LogP ]:
0.23

[ Index of Refraction ]:
1.744

Safety Information

[ Hazard Codes ]:
Xi

[ Risk Phrases ]:
R36/37/38

[ Safety Phrases ]:
S26-S36

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

  • 2-Butenoic acid,2,3-dibromo-4-oxo-
  • 4,5-dibromo-2-(hydroxymethyl)pyridazin-3-one

DownStream

  • pyridazinone
  • 2-benzyl-4,5-dibromopyridazin-3-one
  • 4,5-Dibromo-2-methyl-3(2H)-pyridazinone
  • 4,5-dibromo-2-(hydroxymethyl)pyridazin-3-one

Customs

[ HS Code ]: 2933990090

[ Summary ]:
2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Related Compounds

  • 2-benzyl-4,5-dibromopyridazin-3-one
  • 2-(4-methoxybenzyl)-4,5-dibromopyridazin-3(2H)-one
  • 4,5-dichlorodithiolan-3-one
  • 4,5-diamino-2-methylpyridazin-3-one
  • 4,5-Dimethyl-4-hexen-3-one
  • 4,5-dibromo-2-ethylpyridazin-3-one