2-tert-butyl-4,5-dichloro-2,3-dihydropyridazin-3-one

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Names

[ CAS No. ]:
84956-71-8

[ Name ]:
2-tert-butyl-4,5-dichloro-2,3-dihydropyridazin-3-one

[Synonym ]:
tertbutyldichloropyridazinone
2-tert-butyl-4.5-dichloro-2H-pyridazin-3-one

Chemical & Physical Properties

[ Density]:
1.32±0.1 g/cm3 (20ºC 760 Torr)

[ Boiling Point ]:
240.5±50.0ºC (760 Torr)

[ Melting Point ]:
59ºC

[ Molecular Formula ]:
C₈H₁₀Cl₂N₂O

[ Molecular Weight ]:
221.08400

[ Flash Point ]:
99.3±30.1ºC

[ Exact Mass ]:
220.01700

[ PSA ]:
34.89000

[ LogP ]:
2.30510

Safety Information

[ Hazard Codes ]:
Xi: Irritant;

[ HS Code ]:
2933990090

Synthetic Route

Click to get detail synthetic route

Precursor & DownStream

Precursor

3,4-Dichloro-5-hydroxy-2(5H)-furanone
tert-Butylhydrazine hydrochloride (1:1)

DownStream

4-Amino-2-(tert-butyl)-3(2H)-pyridazinone
Flurpiridaz F-18
4-CHLORO-2-(1,1-DIMETHYLETHYL)-5-HYDROXY-3(2H)-PYRIDAZINONE
4-CHLORO-2-(1,1-DIMETHYLETHYL)-5-MERCAPTO-3(2H)-PYRIDAZINONE

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%