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Ultraviolet absorber UV-329

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.
Specifications:
Appearance:
White powder
Melting Point
101-106οC
Volatile matter
≤0.5%
Ash content
≤0.05%
Transmissirity
440nm≥97% 500nm≥98%
Purity
≥99%

Package: 25kg Carton

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