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ChemicalBook >  Product Catalog >  Pharmaceutical intermediates >  Heterocyclic compound >  Pyridazine compounds >  2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE

2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE

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2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE Basic information

Product Name:
2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE
Synonyms:
  • 2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE
  • 4,5-DICHLORO-2-(1,1-DIMETHYLETHYL)-3(2H)-PYRIDAZINONE
  • 2-tert-Butyl-4,5-dichloro-2H-pyridazin-3-one
  • 3(2H)-Pyridazinone, 4,5-dichloro-2-(1,1-dimethylethyl)-
  • 2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE ISO 9001:2015 REACH
CAS:
84956-71-8
MF:
C8H10Cl2N2O
MW:
221.08
Mol File:
84956-71-8.mol
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2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE Chemical Properties

Melting point:
59 °C
Boiling point:
240.5±50.0℃ (760 Torr)
Density 
1.32±0.1 g/cm3 (20 ºC 760 Torr)
Flash point:
99.3±30.1℃
storage temp. 
under inert gas (nitrogen or Argon) at 2-8°C
pka
-3.39±0.20(Predicted)
CAS DataBase Reference
84956-71-8
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Safety Information

Hazard Codes 
Xi
HazardClass 
IRRITANT
HS Code 
2933998090
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2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE Usage And Synthesis

Chemical Properties

White crystal, industrial product is light yellow crystal, mp63~64℃, easily soluble in most organic solvents.

Uses

2-(Tert-butyl)-4,5-dichloro-2,3-dihydropyridazin-3-one is an important intermediate in the synthesis of the acaricide pyridaben.

Synthesis

2-(Tert-butyl)-4,5-dichloro-2,3-dihydropyridazin-3-one is prepared from tert-butylhydrazine and furochloric acid as raw materials.

2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE Preparation Products And Raw materials

Raw materials

2-(TERT-BUTYL)-4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONESupplier

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