2-Benzotriazolyl-4-tert-octylphenol

• CAT Number: R022638
• CAS Number: 3147-75-9
• Molecular Formula: C20H25N3O
• Molecular Weight: 323.44
• Purity: ≥95%
• Synonyms: 1268A; 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-(1,1,3,3-tetramethylbutyl)
• Storage: -20°C
• IUPAC Name: 2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol
• InChI: InChI=1S/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
• InChIKey: IYAZLDLPUNDVAG-UHFFFAOYSA-N
• SMILES: CC(C)(C)CC(C)(C)C1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2

2-Benzotriazolyl-4-tert-octylphenol (Cat No.: R022638) is an organic compound commonly used as a UV absorber and stabilizer in plastics, coatings, and personal care products. It features a benzotriazole moiety attached to a phenol ring substituted with a bulky tert-octyl group at the 4-position, enhancing its stability and compatibility with polymers. This compound effectively absorbs ultraviolet radiation, preventing polymer degradation and discoloration. It is particularly valued in applications requiring long-term weather resistance, such as automotive coatings, outdoor plastics, and sunscreens, due to its light stability and durability.