Used as a photoinitiator in radical polymerization reactions, particularly in UV-curable systems. It enables rapid curing of coatings, inks, and adhesives upon exposure to ultraviolet or visible light. Exhibits high efficiency and low yellowing, making it suitable for clear coatings and sensitive applications. Stable under storage and shows good solubility in polar organic solvents, facilitating formulation in various resin systems. Also applied in 3D printing resins where precise curing and minimal odor are required.