ChemicalBook--->CAS DataBase List--->64178-58-1

64178-58-1

64178-58-1 Structure

64178-58-1 Structure
IdentificationBack Directory
[Name]

4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE
[CAS]

64178-58-1
[Synonyms]

4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE
5-Chloro-6-hydroxy-1H-pyridazin-4-one
4-Chloro-5-hydroxypyridazin-3(2H)-one
5-chloro-4-hydroxy-1H-pyridazin-6-one
3(2H)-Pyridazinone, 4-chloro-5-hydroxy-
4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE ISO 9001:2015 REACH
[Molecular Formula]

C4H3ClN2O2
[MDL Number]

MFCD00832513
[MOL File]

64178-58-1.mol
[Molecular Weight]

146.533
Chemical PropertiesBack Directory
[Melting point ]

270-273 °C(Solv: N,N-dimethylformamide (68-12-2))
[density ]

1.79±0.1 g/cm3(Predicted)
[storage temp. ]

Inert atmosphere,2-8°C
[pka]

4.50±1.00(Predicted)
[Appearance]

White to off-white Solid
Questions And AnswerBack Directory
[Uses]

4-Chloro-5-hydroxy-3(2H)-pyridazine is an organic intermediate.
Spectrum DetailBack Directory
[Spectrum Detail]

4-CHLORO-5-HYDROXY-3(2H)-PYRIDAZINONE(64178-58-1)1HNMR
Hazard InformationBack Directory
[Synthesis]

Wagner et al. reported that it can be prepared from 4,5-dichloropyridazin-3(2H)-one as starting material. 4,5-Dichloropyridazin-3(2H)-one (2 g, 12 mmol) was refluxed in 20 ml of 8N KOH for 6 hours. After acidification with HCl, the reaction mixture was

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