1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]-3,5-pyrazolidinedione(CAS: 57-96-5)

1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]-3,5-pyrazolidinedione is a crystalline compound with a molecular weight of approximately 413.39 g/mol. It has a low aqueous solubility, with values around 0.01 g/L. The compound is moderately reactive, displaying good stability under normal conditions but may undergo hydrolysis in the presence of water. It has a melting point of around 220-225°C and a density of approximately 1.3 g/cm³.

1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]-3,5-pyrazolidinedione is typically synthesized via a multi-step process involving the condensation of phenylsulfinyl ethylamine with 1,2-diphenyl-4-formyl-3,5-pyrazolidinedione. The reaction is often catalyzed by an acid, and the overall yield is around 70-75%. The exact reaction conditions, including temperature and pressure, are crucial for achieving high selectivity and yield.

1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]-3,5-pyrazolidinedione is primarily used in the pharmaceutical industry for the development of certain drugs. It also finds applications in the polymer industry as a stabilizer. Additionally, it can be used in the production of sensors and as a precursor in the synthesis of semiconductors, although its use in these areas is less common.

When handling 1,2-Diphenyl-4-[2-(phenylsulfinyl)ethyl]-3,5-pyrazolidinedione, it is important to use appropriate personal protective equipment (PPE), including gloves, goggles, and a lab coat. It is recommended to perform the handling in a fume hood to minimize exposure. If a spill occurs, it should be cleaned up immediately using appropriate absorbent materials, and any contaminated PPE should be properly disposed of. The Safety Data Sheet (SDS) should be consulted for specific handling and disposal procedures.