UV-350 CAS NO.36437-37-3 Chemical name：2-(2′-hydroxy-3′-sec-butyl-5′-tert-butylphenyl) benzotriazole Molecular Formula: C20H25N3O Molecular weight：323.4 Structural Formula: Specification Appearance:Slight yellowish crystalline powder Assay(GC):99.0%min Melting range:80-84℃ Volatile:0.2%max Ash：0.1%max Light Transmittance:…