3(2H)-Pyridazinone(CAS: 504-30-3)

3(2H)-Pyridazinone (CAS: 504-30-3) is a crystalline solid with a molecular weight of approximately 111.11 g/mol. It has limited water solubility, with a solubility of about 0.1 g/L at 25°C. It is relatively stable but can undergo ring-opening reactions under basic conditions. The compound is solid at room temperature and has a melting point around 215°C.

3(2H)-Pyridazinone (CAS: 504-30-3) is often synthesized via the condensation of 2-formylpyridine with hydrazine. The reaction typically occurs in the presence of a catalyst such as p-toluenesulfonic acid or hydrochloric acid. The yield is usually around 70-80%, and the product is isolated by recrystallization or column chromatography.

3(2H)-Pyridazinone (CAS: 504-30-3) finds applications in various industries. It is used in the pharmaceutical industry as an intermediate for the synthesis of certain drugs. Additionally, it has applications in the polymer industry as a stabilizer, and in the semiconductor industry as a component in some photoresists. It also plays a role in the development of sensors and other analytical devices.

When handling 3(2H)-Pyridazinone (CAS: 504-30-3), it is important to use appropriate personal protective equipment (PPE) such as gloves, goggles, and protective clothing. The compound should be handled in a well-ventilated area or a fume hood. In case of a spill, it should be cleaned up using appropriate absorbent materials and the area should be flushed with water. Always refer to the Safety Data Sheet (SDS) for detailed handling and safety information.