Used as a high-performance ultraviolet (UV) stabilizer in polymers and coatings. It effectively absorbs UV radiation in the 300–400 nm range, protecting materials from photodegradation and discoloration caused by prolonged sunlight exposure. Commonly added to engineering plastics, polycarbonates, and acrylics to enhance weatherability and extend service life. Also utilized in clear coatings and films where optical clarity and long-term stability are critical. Shows excellent thermal stability and compatibility with aromatic polymer systems, making it suitable for high-temperature processing.