Hangzhou Jingyou Chemical Co.,Ltd.

UV-328

• Category :

  Catalyst and Auxiliary

• 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;

• CAS NO :

  25973-55-1

• EC NO :

  247-384-8

• Molecular Formula :

  C₂₂H₂₉N₃O

• Molecular Weight :

  351.4852

• Main Specifications :

  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.

• InChI :

  InChI=1/C22H29N3O/c1-7-21(3,4)15-13-16(22(5,6)8-2)20(26)19(14-15)25-23-17-11-9-10-12-18(17)24-25/h9-14,26H,7-8H2,1-6H3

• 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.

• Molecular Structure :