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Uv-329

Uv-329 / CAS : 3147-75-9

Appearance Light yellow powder UN -
HS 29339900 DG Class -
Synonyms Octrizole; 2-(2-Hydroxy-5-Tert-Octylphenyl)Benzotriazole; 2-(2H-Benzo[D][1,2,3]Triazol-2-Yl)-4-(2,4,4-Trimethylpentan-2-Yl)Phenol; 2-(2H-Benzotriazol-2-Yl)-4-(1,1,3,3-Tetramethylbutyl)Phenol; 2-Benzotriazolyl-4-Tert-Octylphenol; 2-(2-Hydroxy-5-T-Octylphenyl)Benzotriazole; Phenol, 2-(2H-Benzotriazol-2-Yl)-4-(1,1,3,3-Tetramethylbutyl)-; 2-(Benzotriazol-2-Yl)-4-(2,4,4-Trimethylpentan-2-Yl)Phenol; 2-(2-Hydroxy-5-Tert-Octylphenyl)-2H-Benzotriazole; Tinuvin 329
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Properties

Summary

Formula
C20H25N3O
Molecular Mass
323.43200
Exact Mass
323.20000
PSA
50.94000
Logp
4.83990
IUPAC
2-(benzotriazol-2-yl)-4-(2,4,4-trimethylpentan-2-yl)phenol
SMILES
CC(C)(C)CC(C)(C)C1=CC(=C(C=C1)O)N2N=C3C=CC=CC3=N2

Attribute classification

Matter Classification
organic
Category
Auxiliary > Plastic Rubber Chemicals
Auxiliary > UV Absorbers

Chemical and Physical Properties

Melting Point
106-108 °C
Density
1.1 g/cm3
Boiling Point
471.8 ºC
Flash Point
239.2 ºC
Appearance
Light yellow powder
Acidity and Basicity
neutral

Export information

HS Code
29339900
Export Rebate
13%
Risk Code
R36/37/38
Safety Label
Xi

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