| Identification | More | [Name]
4,5-Dichloro-3(2H)-pyridazinone | [CAS]
932-22-9 | [Synonyms]
4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE
4,5-DICHLORO-2H-PYRIDAZIN-3-ONE
4,5-DICHLORO-3(2H)-PYRIDAZINONE
4,5-DICHLORO-3-HYDROXYPYRIDAZINE
4,5-Dichloro-3-pyridazinol
4,5-DICHLOROPYRIDAZIN-3(2H)-ONE
4,5-DICHLOROPYRIDAZIN-3-ONE
AKOS B029197
AURORA KA-447
LABOTEST-BB LT00138189
OTAVA-BB BB0128630031
TIMTEC-BB SBB003910
4,5-dichloro-3(2h)-pyridazinon
4,5-Dichloro-3-pyridazone
4,5-DICHLOROPYRIDAZIN-3(2H)-ONE 98%
3-Hydroxy-4,5-dichloropyridazine
4,5-Dichloro-3(2H)-pyridazone
4,5-Dichloro-6-oxo-1H-pyridazine
4,5-Dichloro-6-pyridazone
NSC 16127 | [Molecular Formula]
C4H2Cl2N2O | [MDL Number]
MFCD00051504 | [Molecular Weight]
164.98 | [MOL File]
932-22-9.mol |
| Chemical Properties | Back Directory | [Appearance]
Beige Crystalline Solid | [Melting point ]
204-206 °C(lit.) | [density ]
1.76±0.1 g/cm3(Predicted) | [storage temp. ]
Keep in dark place,Sealed in dry,Room Temperature | [solubility ]
DMSO (Slightly), Methanol (Slightly) | [form ]
Crystalline Powder | [pka]
8.39±0.60(Predicted) | [color ]
White to yellow | [Usage]
A new labelled substituted pyridazinone with tuberculostatic action | [BRN ]
120959 | [InChI]
InChI=1S/C4H2Cl2N2O/c5-2-1-7-8-4(9)3(2)6/h1H,(H,8,9) | [InChIKey]
VJWXIRQLLGYIDI-UHFFFAOYSA-N | [SMILES]
C1(=O)NN=CC(Cl)=C1Cl | [CAS DataBase Reference]
932-22-9(CAS DataBase Reference) |
| Hazard Information | Back Directory | [Chemical Properties]
Beige Crystalline Solid | [Uses]
A new labelled substituted pyridazinone with tuberculostatic action | [Uses]
A new labelled substituted pyridazinone with tuberculostatic action. | [Synthesis Reference(s)]
Journal of Heterocyclic Chemistry, 28, p. 385, 1991 DOI: 10.1002/jhet.5570280234 | [General Description]
The solid phase FT-IR and FT-Raman spectra of 4,5-dichloro-3-hydroxypyridazine was studied. | [Hazard]
4,5-Dichloro-3(2H)-pyridazinone causes skin irritation and serious eye irritation, it may cause respiratory irritation.
| [Synthesis]
Hydrazine sulfate (305.7 g, 2.35 mol) was added to a solution of 3,4-dichloro-5-hydroxy-5H-furan-2-one (419 g, 2.48 mol) and sodium acetate (212 g, 2.58 mol) in water (600 mL). The mixture was stirred under reflux for 4 h. After filtration and evaporation |
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