Used as a photoinitiator in UV-curable systems, particularly in inks, coatings, and adhesives. It absorbs ultraviolet light and generates free radicals that initiate polymerization of acrylate monomers and oligomers. Offers good thermal stability and efficiency in thin-film applications. Also employed in printing inks due to its low yellowing tendency and ability to cure under low-intensity UV light. Suitable for clear coatings where color stability is important.