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1. Product Overview Product Name: UV Absorber UV-326 Chemical Name: 2-(2'-Hydroxy-3'-tert-butyl-5'-methylphenyl)-5-chlorobenzotriazole CAS No.: 3896-11-5 Molecular Formula: C₁₇H₁₈ClN₃O Molecular Weight: 315.8 g/mol Product Introduction: UV-326 is a high-efficiency benzotriazole UV absorber. It selectively absorbs harmful ultraviolet rays in the 270–380 nm range with minimal absorption in the visible light spectrum, delivering good light transmittance for finished products. It
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