• Name

  2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol

• EINECS 231-545-4
• CAS No. 73936-91-1
• Article Data7
• CAS DataBase
• Density 1.07 g/cm³
• Solubility
• Melting Point 108-110oC
• Formula C₂₉H₃₅N₃O
• Boiling Point 555.5±60.0 °C(Predicted)
• Molecular Weight 441.616
• Flash Point
• Transport Information
• Appearance Slight yellow solid
• Safety
• Risk Codes
• Molecular Structure
• Hazard Symbols
• Synonyms 2-(1-Methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)-6-(benzotriazol-2-yl)phenol;2-(2-Hydroxy-3-a-cumyl-5-tert-octylphenyl)-2H-benzotriazole;2-[2-Hydroxy-3-(a,a-dimethylbenzyl)-5-tert-octylphenyl]-2H-benzotriazole;2-[2'-Hydroxy-3'-(a,a-dimethylbenzyl)-5'-(1,1,3,3-tetramethylbutyl)phenyl]benzotriazole;2-[3-(a,a-Dimethylbenzyl)-2-hydroxy-5-(1,1,3,3-tetramethylbutyl)phenyl]-2H-benzotriazole;Chisorb 5228;Tinuvin 928;
• PSA 50.94000
• LogP 7.16580

Synthetic route

Conditions

Conditions	Yield
With ammonium hydroxide; copper(II) sulfate In ethanol; water Solvent; Reagent/catalyst; Reflux;	100%

2-[2'-hydroxy-3'-(α,α-dimethylbenzyl)-5'-(1,1,3,3-tetramethylbutyl)phenyl]benzotriazole

73936-91-1

2-[2'-hydroxy-3'-(α,α-dimethylbenzyl)-5'-(1,1,3,3-tetramethylbutyl)phenyl]benzotriazole

Conditions

Conditions	Yield
In N,N-dimethyl acetamide at 130℃; for 4h;	97%

UV absorber-928 Specification