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UV absorber-928
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  • Name UV absorber-928
  • EINECS231-545-4
  • CAS No. 73936-91-1
  • Density1.07 g/cm3
  • PSA50.94000
  • LogP7.16580
  • SolubilityN/A
  • Melting Point108-110oC
  • FormulaC29H35N3O
  • Boiling Point555.5±60.0 °C(Predicted)
  • Molecular Weight441.616
  • Flash PointN/A
  • Transport InformationN/A
  • AppearanceSlight yellow solid
  • Safety
  • Risk CodesN/A
  • Molecular Structure
    Molecular Structure of 73936-91-1 (2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol)
  • Hazard SymbolsN/A
  • SynonymsN/A
  • Article Data7

UV absorber-928 Synthetic route

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

UV absorber-928 Specification

The IUPAC name of UV absorber-928 is 2-(Benzotriazol-2-yl)-6-(2-phenylpropan-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol. With the CAS registry number 73936-91-1, it is also named as 2-(2H-Benzotriazol-2-yl)-6-(1-methyl-1-phenylethyl)-4-(1,1,3,3-tetramethylbutyl)phenol. Its classification code is TSCA Flag P. In addition, the product is slight yellow solid. Besides, its molecular formula is C29H35N3O and its molecular weight is 441.61. 

The other characteristics of UV absorber-928 can be summarized as: (1)XLogP3-AA: 9.2; (2)H-Bond Donor: 1; (3)H-Bond Acceptor: 3; (4)Rotatable Bond Count: 6; (5)Tautomer Count: 3; (6)Exact Mass: 441.278013; (7)MonoIsotopic Mass: 441.278013; (8)Topological Polar Surface Area: 50.9; (9)Heavy Atom Count: 33; (10)Complexity: 634; (11)Density: 1.07 g/cm3.

People can use the following data to convert to the molecule structure.
1. Smiles:n1(c2c(c(C(c3ccccc3)(C)C)cc(c2)C(CC(C)(C)C)(C)C)O)nc2ccccc2n1
2. InChI:InChI=1/C29H35N3O/c1-27(2,3)19-28(4,5)21-17-22(29(6,7)20-13-9-8-10-14-20)26(33)25(18-21)32-30-23-15-11-12-16-24(23)31-32/h8-18,33H,19H2,1-7H3

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