6-Chloro-4-ethyl-3(2H)-pyridazinone(CAS: 61404-49-7)

6-Chloro-4-ethyl-3(2H)-pyridazinone is a white crystalline solid with a molecular weight of 221.64 g/mol. It is slightly soluble in water and has good solubility in organic solvents like ethanol and acetone. Chemically, it is known for its reactivity towards nucleophiles and electrophiles, making it a useful intermediate in organic synthesis.

6-Chloro-4-ethyl-3(2H)-pyridazinone is synthesized by the reaction of 4-ethyl-3(2H)-pyridazinone with chlorine gas in the presence of a suitable catalyst, such as anhydrous aluminum chloride. This process involves electrophilic substitution, leading to good yields and selectivity.

6-Chloro-4-ethyl-3(2H)-pyridazinone is used in the pharmaceutical industry as an intermediate in the synthesis of various bioactive compounds. It is also utilized in the polymer and sensor industries for its chemical functionality and reactivity.

When handling 6-Chloro-4-ethyl-3(2H)-pyridazinone, it is essential to use appropriate personal protective equipment (PPE) such as gloves, goggles, and a lab coat. Work should be conducted in a fume hood to avoid inhalation. Spills should be handled with caution, and proper spill response procedures should be followed. Always consult a Safety Data Sheet (SDS) for detailed safety information.