Used primarily as a photoinitiator in UV-curable coatings and inks, it facilitates rapid polymerization under UV light, making it essential in the printing and packaging industries. Its efficiency in initiating cross-linking reactions ensures durable and high-quality finishes on various substrates. Additionally, it finds application in adhesives and dental materials, where quick curing and strong bonding are required. Its stability and reactivity under UV exposure make it a valuable component in photochemical processes.