Used as a key intermediate in the synthesis of organic compounds, particularly in the development of flame retardants and polymer additives. It plays a role in enhancing the thermal stability and fire resistance of materials like plastics and textiles. Additionally, it is utilized in the preparation of phosphine-based ligands for catalytic applications in organic reactions, aiding in the creation of pharmaceuticals and fine chemicals. Its unique structure also makes it suitable for research in material science, particularly in designing advanced functional materials.