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Ultraviolet Absorbent Uv-328

Ultraviolet Absorbent UV-328 / CAS : 25973-55-1

Appearance Light yellow powder UN 0.0
HS 29171310 DG Class 0.0
Synonyms UV-328; UV Absorber UV-328; 2-(2H-Benzotriazol-2-yl)-4,6-Ditertpentylphenol; Thasorbuv328; Cyasorb Uv-2337; 2-(2H-Benzo[D][1,2,3]Triazol-2-Yl)-4,6-Di-Tert-Pentylphenol; 2-(3,5-Di-Tert-Amyl-2-Hydroxyphenyl)Benzotriazole; Uv Absorber 328; Benzotriazole Uv 328; 2,6-Difluoro-3-Methylacetophenone; Hrsorb-328; 2-(3',5'-Di-T-Amyl-2'-Hydroxyphenyl) Benzotriazole; 2-(2H-Benzotriazol-2-Yl)-4,6-Bis(1,1-Dimethylpropyl)-Phenol; 2-(2H-Benzotriazol-2-Yl)-4,6-Di-T; 2-(2H-Benzotriazol-2-Yl)-4,6-Di-Tert-Amylphenol
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Properties

Summary

Formula
C22H29N3O
Molecular Mass
351.48500
Exact Mass
351.23100
PSA
50.94000
Logp
5.50130
IUPAC
2-(2H-Benzotriazol-2-yl)-4,6-ditertpentylphenol
SMILES
CCC(C)(C)C1=CC(=C(C(=C1)N2N=C3C=CC=CC3=N2)O)C(C)(C)CC

Attribute classification

Matter Classification
organic
Category
Auxiliary > UV Absorbers

Chemical and Physical Properties

Melting Point
80-83°C
Density
1.08g/cm3
Boiling Point
469.1ºC at 760 mmHg
Flash Point
229ºC
Appearance
Light yellow powder
Acidity and Basicity
acidness

Export information

HS Code
29171310
Export Rebate
13%
UN No.
0.0
DG-Class
0.0
Risk Code
36/37/38-53-48/22
Safety Label
Xi,Xn

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