UV-234 is a light yellow powder with a melting point of 135-145 ℃. Soluble in chloroform, dichloromethane, benzene, ethyl acetate and other organic solvents, slightly soluble in alcohols, insoluble in water. Benzotriazole UV absorbers are suitable for polycarbonate, polyvinyl chloride, polyformaldehyde, polyamide, polyester, coatings, etc.