New material research and development, performance optimization and sustainable development innovation
SINOSORB® BL 326-S (CAS 1877301-52-4) is a highly efficient, red-shifted benzotriazole light absorber derived from UV-326 with 5-position p-tolylthio modification, manufactured for optical lenses and display films providing sharp UV/HEV blue light cut-off (<390 nm) and high visible transparency. As an ISO certified supplier, we offer this low-volatility absorber for PC, PET, PMMA, and CR-39 systems.
2-(tert-Butyl)-4-methyl-6-(5-(p-tolylthio)-2H-benzo[d][1,2,3]triazol-2-yl)phenol
1877301-52-4
C24H25N3OS
98.5% min
25kgs/carton or Drum
Benzotriazole UV absorber, excellent light stability.
Tinuvin P; 2-(2'-Hydroxy-5'-methylphenyl)benzotriazole
2440-22-4
C13H11N3O
99.0% min
25kgs/carton
SINOSORB®UV-531 is an excellent ultraviolet absorber for colleges and universities, which can effectively absorbs ultraviolet light at 270-340nm.
UV Absorber UV-531
1843-05-6
C21H26O3
≥98.5%(HPLC)
25kgs/carton or Drum
SINOSORB® UV-329 is an excellent anti-aging agent for colleges and universities, which can effectively absorbs 270-380nm ultraviolet light.
UV Absorber UV-329
3147-75-9
C20H25N3O
≥99%(HPLC)
25kgs/carton or Drum
SINOSORB® UV-328 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-340 nanometers.
UV Absorber UV-328
25973-55-1
C22H29N3O
≥99%(HPLC)
25kgs/carton or Drum
SINOSORB® UV-327 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-400 nanometers.
UV Absorber UV-327
3864-99-1
C20H24ClN3O
≥99%(HPLC)
25kgs/carton or Drum
SINOSORB® UV-326 is a high-efficiency ultraviolet absorber, which can effectively absorbs ultraviolet light with a wavelength of 270-380 nanometers.
UV Absorber UV-326
3896-11-5
C17H18ClN3O
≥99%(HPLC)
25kgs/carton or Drum
Sinosorb® UV 2908 is a substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement,
UV Absorber UV-2908
67845-93-6
C31H54O3
≥99%
25kgs/carton or Drum