UV absorbent UV-326
Product name: 2-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol
                CAS NO: 3896-11-5
                Molecular weight: 315.7973
                EC NO: 223-445-4
                Molecular Formula: C17H18ClN3O
                Alias: UV-326
                Structural Formula: 

