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CAS 3147-75-9

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2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole

Description:
2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole, commonly referred to as UV-328, is an organic compound primarily used as a UV stabilizer in various polymer applications. It features a benzotriazole moiety, which is known for its ability to absorb ultraviolet light, thereby protecting materials from photodegradation. The presence of the hydroxy and tert-octyl groups enhances its solubility and effectiveness in different matrices, making it suitable for use in plastics, coatings, and adhesives. This compound exhibits excellent thermal stability and is resistant to leaching, which contributes to its longevity in applications. Additionally, UV-328 is characterized by its low volatility and high molecular weight, which further aids in its performance as a stabilizer. However, environmental and health concerns have been raised regarding its persistence and potential bioaccumulation, leading to increased scrutiny and regulation in various regions. Overall, UV-328 is valued for its protective properties but must be handled with consideration of its environmental impact.
Formula:C20H25N3O
InChI:InChI=1/C20H25N3O/c1-19(2,3)13-20(4,5)14-10-11-18(24)17(12-14)23-21-15-8-6-7-9-16(15)22-23/h6-12,24H,13H2,1-5H3
InChI key:InChIKey=IYAZLDLPUNDVAG-UHFFFAOYSA-N
SMILES:OC=1C(N2N=C3C(=N2)C=CC=C3)=CC(C(CC(C)(C)C)(C)C)=CC1
Synonyms:
  • 1268A
  • 2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)Benzotriazole
  • 2-(2'-Hydroxy-5'-(1,1,3,3-tetramethylbutyl)phenyl)benzotriazole
  • 2-(2'-Hydroxy-5'-tert-Octyl Phenyl)-Benzotriazole
  • 2-(2-Hydroxy-5-t-octylphenyl)-2H-benzotriazole
  • 2-(2-Hydroxy-5-t-octylphenyl)benzotriazole
  • 2-(2-Hydroxy-5-tert-octylphenyl)-2H-benzotriazole
  • 2-(2-Hydroxy-5-tert-octylphenyl)benzotriazole
  • 2-(2H-Benzotriazol-2-yl)-4-tert-octylphenol
  • 2-(2H-Benzotriazole-2-yl)-4-(1,1,3,3-tetramethylbutyl)phenol
  • See more synonyms
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