UV-326

• Category :

  Catalyst and Auxiliary

• Synonyms :

  UV-326;2-(5-Chloro-2H-benzotriazol-2-yl)-6-tert-butyl-p-cresol(OH=1);Ultraviolet absorbent UV-326;UV 326;Bumetrizole;2-(2'-Hydroxy-3'-t-butyl-5'-methylphenyl)-5-chlorobenzotriazole;

• CAS NO :

  3896-11-5

• EC NO :

  223-445-4

• Molecular Formula :

  C₁₇H₁₈ClN₃O

• Molecular Weight :

  315.7973

• Main Specifications :

• InChI :

  InChI=1/C17H18ClN3O/c1-10-7-12(17(2,3)4)16(22)15(8-10)21-19-13-6-5-11(18)9-14(13)20-21/h5-9,22H,1-4H3

• Packing :

  Net 25kg cartons with inner plastic bag.

• Product description :

  a) Appearance: slightly yellowish powder
  b) Melting Point: 137~142°C
  c) Content(HPLC): 99% Min.
  d) Transmittance:460nm≥95% 500nm≥97%
  e) Ash:0.1% Max. f) Loss on drying:0.5% Max.
  UV-326 is a benzotriazole type UV absorber. It has a high absorption in the wavelength of 290~400nm. It is also efficient for the light stabilization of polyvinyl chloride, unsaturated polyurethane, polystyrene,polycarbonate,coatings and lacquers.

• Molecular Structure :