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Atomfair UV-328 Tinuvin 328 C22H29N3O

Description UV-328 (2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol) is a high-performance benzotriazole-based ultraviolet (UV) light absorber widely used in polymer stabilization. With the molecular formula C22H29N3O , it effectively absorbs UV radiation in the 290-400 nm range, protecting materials from photodegradation. This compound is particularly valued for its excellent compatibility with polyolefins, PVC, coatings, adhesives, and other organic substrates. UV-328 exhibits low volatility, high thermal stability, and resistance to extraction, making it ideal for long-term outdoor applications. Its chemical structure ensures minimal color contribution, preserving the aesthetic qualities of treated materials. Suitable for industrial and research use, it is available in high-purity grades to meet…

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Description

Description

UV-328 (2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol) is a high-performance benzotriazole-based ultraviolet (UV) light absorber widely used in polymer stabilization. With the molecular formula C22H29N3O, it effectively absorbs UV radiation in the 290-400 nm range, protecting materials from photodegradation. This compound is particularly valued for its excellent compatibility with polyolefins, PVC, coatings, adhesives, and other organic substrates. UV-328 exhibits low volatility, high thermal stability, and resistance to extraction, making it ideal for long-term outdoor applications. Its chemical structure ensures minimal color contribution, preserving the aesthetic qualities of treated materials. Suitable for industrial and research use, it is available in high-purity grades to meet stringent quality requirements.

  • CAS No: 25973-55-1
  • Molecular Formula: C22H29N3O
  • Molecular Weight: 351.5
  • Exact Mass: 351.231062557
  • Monoisotopic Mass: 351.231062557
  • IUPAC Name: 2-(benzotriazol-2-yl)-4,6-bis(2-methylbutan-2-yl)phenol
  • SMILES: CCC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)C(C)(C)CC
  • Synonyms: 25973-55-1, 2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol, 2-(2H-Benzotriazol-2-yl)-4,6-di-tert-pentylphenol, 2-(3,5-Di-tert-amyl-2-hydroxyphenyl)benzotriazole, Tinuvin 328

Application

UV-328 is primarily used as a UV stabilizer in plastics, coatings, and synthetic polymers to prevent degradation caused by sunlight exposure. It is highly effective in automotive coatings, agricultural films, and construction materials where prolonged UV resistance is critical. The compound also finds application in packaging materials to extend shelf life by blocking harmful UV radiation. Researchers utilize UV-328 in studies involving photostabilization and polymer chemistry.

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