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UV Absorber 329


Chemical Name2-(2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
CAS No.3147-75-9
Molecular Weight323
Chemical Formula
AppearanceWhite powder
Melting Point101-106℃
CharacterizationUV-329 is a highly efficient UV absorber, primarily active within the 270–340 nm range. It has minimal impact on visible light, making it especially suitable for colorless transparent and light-colored products.
UV-329 is approved for use in plastic products intended for food contact, complying with relevant international food safety standards.
ApplicationsPVC,PC,PVB,POM,PMMA,PC/ABS

Keywords: UV Absorber 329

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