CAS NO:25973-55-1

EC NO:247-384-8

Molecular Formula:C₂₂H₂₉N₃O

Molecular Weight:351.4852

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:

CAS NO:3864-99-1

EC NO:223-383-8

Molecular Formula:C₂₀H₂₄ClN₃O

Molecular Weight:357.8771

Synonyms:;2,4-di-tert-butyl-6-(5-chlorobenzotriazol-2-yl)phenol;Ultraviolet Absorbent UV-327;Dibutylhydroxyphenylchlorobenzotriazole;2-(3,5-Di-tert-butyl-2-hydroxyphenyl)-5-chloro-2H-benzotriazole;UV-327;2-(2'-Hydroxy-3',5'-di-tert-butylphenyl)-5-chlorobenzotriazole;2-(2'-Hydroxy-3',5'-di-tert-Butyl Phenyl)-5-Chloro Benzotriazole;BHSORB-327;UV absorber-327;UV absorber UV-327;Ultraviolet absorberUV-327;4,6-Di-tert-butyl-2-(5-chloro-2H-benzotriazol-2-yl)-phenol;UV 327;2-(2'-Hydroxy-3',5'-di-t-butylphenyl)-5-chlorobenzotriazole;Chloro(Di-Tert-Butyl-HydroxyPhenyl)-Benzotriazole;2-(2-Hydroxy-3,5-Di-t-butylphenyl)5-Chlorobenzo-2h-triazo;

Molecular Structure: