| Identification | Back 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 Properties | Back 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 |
| Hazard Information | Back 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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