Chemical name : 2- (2'-Hydroxy-5'-tert-octylphenyl)benzotriazole
Introduction : UV-329 is a benzotriazole type ultraviolet light absorber (UVA), imparting good light stability for plastics and other organic polymers. UV-329 is an effective light stabilizer for a variety of plastics and other organic substrates.
Empirical Formula : C20H25N30
Molecular Weight : 323
Appearance : white powder
Melting Range : 103-105 °C
Flashpoint : 150 °C
Specific Gravity(20 °C ) : 1.18g/cm3