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

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Origin: China

Cas No: 932-22-9

Specification: 99%min

Min order Quantity: 1 /kg

Supply Ability: 80 mt/month

Lead time: 7 days for OEM, 3 days for ready goods

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Products Specification
Product Description

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CAS No.: 932-22-9 Formula: C4H2Cl2N2O Molecular Weight: 164.97700

Description

A new labelled substituted pyridazinone with tuberculostatic action.

Basic Info

Chemical Name	4,5-Dichloro-3(2H)-pyridazinone
Synonyms	4,5-DICHLOR-2,3-DIHYDROPYRIDAZIN-3-ON; 4,5-Dichloro-3(2H)-pyridazinon; 4,5-dichloro-3-pyridazinol; 4,5-dichloro-2-hydropyridazin-3-one; 4,5-dichloro-1H-pyridazin-6-one; 4,5-Dichloropyridazin-3(2H)-one; 4,5-DICHLORO-3-(2H)PYRIDAZINONE; 4,5-Dichloro-pyridazin-3-ol; 3(2H)-PYRIDAZINONE, 4,5-DICHLORO-; 4,5-Dichloro-2H-pyridazin-3-one; 4,5-Dichloro-6-pyridazone; 4,5-DICHLORO-2,3-DIHYDROPYRIDAZIN-3-ONE; 4 5-DICHLORO-3-HYDROXYPYRIDAZINE; 4,5-Dichloro-3-hydroxypyridazine; 3(2H)-PYRIDAZINONE; 4,5-DICHLORO-3-HYDROXYPYRIDINE;
CAS No.	932-22-9
Molecular Formula	C4H2Cl2N2O
Molecular Weight	164.97700
PSA	45.75000
LogP	1.07670

Properties

Appearance & Physical State	Beige Crystalline Solid
Density	1.76 g/cm3
Boiling Point	339.2ºC at 760 mmHg
Melting Point	204-206ºC
Flash Point	159ºC
Refractive Index	1.611

Safety Info

RTECS	UR6182000
Safety Statements	S26-S37/39
HS Code	2933990090
WGK Germany	3
Risk Statements	R36/37/38
Hazard Codes	Xi

Synthesis Route

2-benzoyl-4,5-dichloropyridazin-3-one→4,5-Dichloro-3(2H)-pyridazinone+benzoic anhydride
3,4-dichloro-2-hydroxy-2H-furan-5-one→4,5-Dichloro-3(2H)-pyridazinone
Mucochloric acid→4,5-Dichloro-3(2H)-pyridazinone

Toxicity

Exposure Route	Type of Test	Species Observed	Dose/Duration	Toxic Effects
Oral	LD - Lethal dose	Rodent - mouse	>1 gm/kg	1.Details of toxic effects not reported other than lethal dose value
Intraperitoneal	LD - Lethal dose	Rodent - mouse	>300 mg/kg	1.Details of toxic effects not reported other than lethal dose value