Used primarily as a photoinitiator in UV-curable coatings, inks, and adhesives. It facilitates rapid polymerization when exposed to ultraviolet 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-performance finishes on various substrates. Additionally, it is valued for its stability and compatibility with different formulations, contributing to consistent product quality.