China UV-328 | 25973-55-1 supplier

Details for UV-328

UV-328

111Category:

Catalyst and Auxiliary

CAS NO:

25973-55-1

EC NO:

247-384-8

Molecular Formula:

C₂₂H₂₉N₃O

Molecular Weight:

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.

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.

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:

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