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

Basic Information

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CAS Number

932-22-9

Molecular Formula

C4H2Cl2N2O

Molecular Weight

164.98 g/mol

Chemical Classification

Basic Chemical Raw Materials Organic Chemicals Carboxylic Acids

Basic Chemical Raw Materials Organic Chemicals Heterocyclic Compounds

Pharmaceutical Chemicals Pharmaceutical Intermediates Heterocyclic Intermediates

Fine Chemicals Dyes and Pigments Organic Dyes

Agricultural Chemicals Pesticides Herbicides

Water Treatment Chemicals Coagulants and Flocculants Inorganic Coagulants

Basic Physical Properties

Melting Point

201.0 to 206.0 deg-C

Boiling Point

339.2°C at 760 mmHg

Density

1.76

Flash Point

159 °C

Refractive Index

1.611

SMILES

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C1=NNC(=O)C(=C1Cl)Cl

InChI

InChI=1S/C4H2Cl2N2O/c5-2-1-7-8-4(9)3(2)6/h1H,(H,8,9)

InChIKey

VJWXIRQLLGYIDI-UHFFFAOYSA-N

LogP

1.0767

Topological Polar Surface Area

45.75 Å²

Hydrogen Bond Donor/Acceptor

1 / 3

Complexity

209

Safety Information

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GHS Hazard Pictograms

H302

Hazard Statement

H302 Harmful if swallowed
Acute toxicity, oral

Hazard Class

Class IRRITANT Class IRRITANT

Synonyms & References

English

4,5-Dichloro-3(2H)-pyridazinone
4,5-Dichloropyridazin-3(2H)-one
4,5-Dichloro-2,3-dihydropyridazin-3-one
4,5-Dichloro-3-hydroxypyridazine
4,5-dichloro-1H-pyridazin-6-one
4,5-Dichloro-2H-pyridazin-3-one
4,5-Dichloro-6-pyridazone
3(2H)-PYRIDAZINONE
4,5
4,5-DICHLOR-2,3-DIHYDROPYRIDAZIN-3-ON
4,5-dichloro-2-hydropyridazin-3-one
4,5-Dichloro-3(2H)-pyridazinon
4,5-DICHLORO-3-(2H)PYRIDAZINONE
4,5-DICHLORO-3-HYDROXYPYRIDINE
4,5-dichloro-3-pyridazinol
4,5-Dichloro-pyridazin-3-ol
3(2H)-Pyridazinone, 4,5-dichloro-
4,5-dichloropyridazin-3-ol
4,5-dichloro-3[2H]-pyridazinone
Maybridge1_001357
dichlo
4,5-Dichloro-3(2H)-pyridazinone (ACI)
3-Hydroxy-4,5-dichloropyridazine
4,5-Dichloro-1H-pyridazin-6-one
4,5-Dichloro-3(2H)-pyridazone
4,5-Dichloro-6-oxo-1H-pyridazine
4,5-Dichloropyridazin-3-ol
4,5-Dichloropyridazin-3-one
NSC 16127
NSC 17182
NSC 240022

MDL Number

MFCD00051504

Customs Code

2933990090

FAQ

What regulatory guidelines apply to 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9)?

4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9) falls under the GHS classification as a toxic substance. It is regulated under REACH in the European Union, requiring manufacturers and importers to register substances above a certain tonnage threshold. In the United States, it is subject to FDA and EPA regulations, particularly in relation to its use and disposal. Proper labeling, storage, and handling are required to comply with these regulations.

Are there alternatives to 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9) in synthesis?

Several alternatives to 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9) can be used in synthesis, including 4-chloro-3(2H)-pyridazinone and 5-chloro-3(2H)-pyridazinone. These analogs can serve as effective substitutes depending on the reaction conditions and desired properties. Other reagents like 4-bromo-3(2H)-pyridazinone can also be considered as alternatives.

What is the market or research trend for 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9)?

The market for 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9) is showing steady growth, driven by its applications in pharmaceuticals and pesticides. Research trends focus on exploring its potential as an intermediate for synthesizing more complex compounds. The trend towards more sustainable and environmentally friendly chemicals is also influencing its use and development in new applications.

How should waste containing 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9) be handled?

Waste containing 4,5-Dichloro-3(2H)-pyridazinone (CAS: 932-22-9) should be collected in appropriate containers and stored in a secure, well-ventilated area. Incineration is a common method for disposal, but it should be done in an enclosed combustion chamber to minimize emissions. Professional waste disposal services are recommended to ensure compliance with environmental regulations and to safely manage the waste. Proper precautions, including personal protective equipment, should be taken during handling and disposal to protect against exposure.