Diphenylphosphine oxide(CAS: 4559-70-0)

Diphenylphosphine oxide (CAS: 4559-70-0) is an organic compound with the chemical formula C12H10PO. It is a white solid with a characteristic phosphorus-containing odor, known for its hygroscopic nature and use as a versatile reagent in chemical synthesis. The compound exhibits moderate solubility in organic solvents and is commonly employed in pharmaceutical and industrial applications due to its reactivity and stability under controlled conditions.

Diphenylphosphine oxide (CAS: 4559-70-0) is widely used in pharmaceuticals as an intermediate for drug development, in organic synthesis for forming phosphorus-containing compounds, and in industrial processes such as flame retardants and polymer production. It also serves as a catalyst in various chemical reactions and is a key component in research involving materials science and biochemical applications.

Diphenylphosphine oxide (CAS: 4559-70-0) requires careful handling due to its potential chemical hazards. While it is generally considered stable, it may cause irritation to the skin, eyes, or respiratory system. Safety standards recommend using appropriate PPE, ensuring proper ventilation, and avoiding contact with moisture. Always follow OSHA guidelines and manufacturer instructions for safe use.

Diphenylphosphine oxide (CAS: 4559-70-0) should be stored in a cool, dry, and dark location, ideally at 0–8°C. Keep it in airtight, moisture-proof containers made of glass or plastic to maintain stability. Avoid exposure to incompatible substances and ensure proper labeling to prevent accidental contamination or misuse.