Chemical name:2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole
Molecular formula:C20H25N3O
Structural formula:
Properties:
Properties and application:It is a white powder, melting point 101-106, soluble in benzene, styrene, ethye acetate, slightly soluble in ethyl alcohol, insoluble in water. It is a efficient light stabilizer, UV max:345nm, low volatility, used for polyetyrene, poly (methyl methacrylate), polyester and ABS resins and so on.
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, soluble in benzene, styrene, ethye acetate, slightly soluble in ethyl alcohol, insoluble in water. It is a efficient light stabilizer, UV 
max:345nm, low volatility, used for polyetyrene, poly (methyl methacrylate), polyester and ABS resins and so on.