Chemical name:2-(2'-hydroxy-5'-tert-octyllphenyl)benzotriazole
Molecular formula:C20H25N3O
Structural formula:
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, soluble in benzene, styrene, ethye acetate, slightly soluble in ethyl alcohol, insoluble in **. It is a efficient light stabilizer, UV 
max:345nm, low volatility, used for polyetyrene, poly (methyl methacrylate), polyester and ABS resins and so on.|
Appearance:
|
White powder
|
|
Melting Point
|
101-106οC
|
|
Volatile matter
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≤0.5%
|
|
Ash content
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≤0.05%
|
|
Transmissirity
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440nm≥97% 500nm≥98%
|
|
Purity
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≥99%
|
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