UV-328 25973-55-1

Category :	Catalyst and Auxiliary
CAS NO :	25973-55-1
EC NO :	247-384-8
MF :	C₂₂H₂₉N₃O
MW :	351.4852
Specification :	a) Appearance: slightly yellowish powder b) Melting Point: 80~88°C c) Content(HPLC):99%Min. d) Transmittance: 460nm≥97% 500nm ≥98% e) Ash: 0.1% Max. f) Volatiles: 0.3% Max.
Packing :	Net 20kg PE bag.
Product description :	UV-328 is a benzotriazole type ultraviolet light absorber(UVA), imparting good light stability for plastics and other organic polymers.UV-328 protects polymers as well as organic pigments from UV radiation helping to preserve the original appearance and physical integrity of molded articles,films,sheets,and fibers during outdoor weathering.
Synonyms :	2-(2-Hydroxy-3,5-dipenryl-phenyl) benzotriazole;2-(2H-benzotriazol-2-yl)-4,6-bis(1,1-dimethylpropyl)-phenol;2-(2H-hydroxy-3-5-Di-tert-Amyllphenyl)benzotriazole;UV-328;Tinuvin 328;Primesorb328;Ultraviolet absorbent UV-328;2-(2'-Hydroxy-3',5'-di-tert-Pentyl Phenyl)-Benzotriazole;BHSORB-328;2-(2'-Hydroxy-3',5-dipenryl-phenyl) benzotriazole;UV absorber-328;UV absorber UV-328;2-(2H-benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol;Ultraviolet absorberUV-328;2-(2H-Benzotriazol-2-yl)-4,6-di-tert-amylphenol;Ultraviolet absorber UV-328;UV 328;2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol;
Molecular Structure :

UV-328

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