DPTIP is primarily used as a flame retardant in various polymer materials, including plastics and textiles, to enhance their fire resistance. It is particularly effective in reducing flammability in products like electrical cables, automotive components, and construction materials. Additionally, DPTIP is utilized in coatings and adhesives to improve their thermal stability and safety. Its application in electronics helps prevent fire hazards in devices with high heat exposure. The compound is also employed in research and development for creating advanced flame-retardant formulations.