Used primarily as a photoinitiator in UV-curable coatings, inks, and adhesives. It facilitates rapid polymerization under UV light, making it essential in industries requiring fast curing times, such as packaging, electronics, and automotive. Its efficiency in initiating cross-linking reactions ensures durable and high-quality finishes. Additionally, it finds niche applications in dental composites and 3D printing resins, where precise and quick curing is critical.