Ultraviolet absorber UV-326

Chemical name: 2'-(2'-Hydroxy-3'-tert-buty-5'-methyl-phenyl)-5-chlorobenzotriazole
Molecular formula:C₁₇H₁₈N₃OCL
Structural formula:

Properties:
UV-326 is a important ultraviolet absorber of bonzotriazole series, which is stable, nontoxic, higher absorbency for ultraviolet ray. widely used for photosensitive materials and poly merized material, coating and so on.

Specifications:

Appearance	Light yellow powder
Melting point	≥138
Volatile matter	≤0.05%
Ash content	≤0.5%
Transmissirity	460nm≥97% 500nm≥98%
Purity	≥99%

Package: 25kg Carton

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