4,5-Dichloro-3(2H)-pyridazinone

4,5-Dichloro-3(2H)-pyridazinone Suppliers list

Company Name:	Hangzhou Lucky Biology Co., Ltd
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Products Intro:	Product Name:4,5-Dichloro-3(2H)-pyridazinone CAS:932-22-9 Purity:99% Package:1KG; 5KG: 25KG:500KG

Company Name:	Shijiazhuang Leon Chemicals Co.,Ltd
Tel:	+8615203111882
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Products Intro:	Product Name:4,5-Dichloro-3(2H)-pyridazinone CAS:932-22-9 Purity:0.95 Package:1KG;2KG;5KG;10KG;15KG;20KG;100KG;200KG

Company Name:	ZHENGZHOU JIUYI TIME NEW MATERIALS CO,.LTD
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Products Intro:	Product Name:4,5-Dichloro-3(2H)-pyridazinone CAS:932-22-9 Purity:99% Package:100kg;2USD\|10kg;4USD\|1kg;6USD

Company Name:	Capot Chemical Co.,Ltd.
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Products Intro:	Product Name:4,5-Dichloro-3-pyridazinol CAS:932-22-9 Purity:98%(Min,GC) Package:100g;1kg;5kg,10kg,25kg,50kg

Company Name:	Nanjing ChemLin Chemical Industry Co., Ltd.
Tel:	025-83697070
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Products Intro:	CAS:932-22-9 Purity:98% Package:g-Kg Remarks:White or light yellow crystalline powder

4,5-Dichloro-3(2H)-pyridazinone manufacturers

4,5-Dichloro-3(2H)-pyridazinone Basic information

Product Name:	4,5-Dichloro-3(2H)-pyridazinone
Synonyms:	AURORA KA-447;LABOTEST-BB LT00138189;AKOS B029197;4,5-DICHLOROPYRIDAZIN-3(2H)-ONE;4,5-DICHLOROPYRIDAZIN-3-ONE;4,5-Dichloro-3-pyridazinol;4,5-DICHLORO-3-HYDROXYPYRIDAZINE;4,5-DICHLORO-3(2H)-PYRIDAZINONE
CAS:	932-22-9
MF:	C4H2Cl2N2O
MW:	164.98
EINECS:
Product Categories:	Piperazine series;Pyridazine series;Bases & Related Reagents;Heterocycles;Nucleotides
Mol File:	932-22-9.mol

4,5-Dichloro-3(2H)-pyridazinone Chemical Properties

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
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)

Safety Information

MSDS Information

Provider	Language
SigmaAldrich	English
ALFA	English

4,5-Dichloro-3(2H)-pyridazinone Usage And Synthesis

Chemical Properties	Beige Crystalline Solid
Uses	4,5-Dichloro-3(2H)-pyridazinone is used as 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, the residual solid was recrystallized from ethanol to provide 4,5-dichloropyridazin-3(2H)-one (216 g, 67%) as an off-white solid.

4,5-Dichloro-3(2H)-pyridazinone Preparation Products And Raw materials

Raw materials	Ethanol-->Acetic acid-->Sodium carbonate-->Hydrazine hydrate-->Mucochloric acid-->Semicarbazide hydrochloride
Preparation Products	1-PHENYL-4,5-DICHLORO-6-PYRIDAZONE-->4,5-Dichloro-2-(tetrahydro-pyran-2-yl)-2H-pyridazin-3-one-->2,4,5-TRICHLORO-3(2H)-PYRIDAZINONE-->4-HYDROXY-5-NITROPYRIDAZIN-3(2H)-ONE-->4-chloro-5-piperazin-1-ylpyridazin-3(2H)-one-->4,5-DICHLORO-2-(HYDROXYMETHYL)-2,3-DIHYDROPYRIDAZIN-3-ONE

Tag:4,5-Dichloro-3(2H)-pyridazinone(932-22-9) Related Product Information

Hydralazine Sulfachloropyridazine sodium SULFACHLOROPYRIDAZINE Pymetrozine Dichloroacetonitrile Pyridaben Thioridazine Buprofezin Pyridaphenthion 3(2H)-Pyridazinone 2',4'-Dichloroacetophenone 4,5-DICHLORO-2-METHYLPYRIDAZIN-3-ONE 2-(2-CHLORO-6-FLUOROBENZYL)-4,5-DICHLOROPYRIDAZINE-3-(2H)-ONE 4,5-DICHLORO-2-(2-FLUOROBENZYL)PYRIDAZINE-3(2H)-ONE 4,5-DICHLORO-1-PHENYL-6-PYRIDAZINONE 4,5-DICHLORO-2-(3,5-DICHLOROPHENYL)-2,3-DIHYDROPYRIDAZIN-3-ONE Pyridazine 4,5-DICHLORO-2-(4-METHYLPHENYL)-2,3-DIHYDROPYRIDAZIN-3-ONE

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