UV Absorber 928

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

Formula: C29H35N3O

CAS NO.: 73936-91-1

Molecular Weight: 441.6

Structure

Specifications

Appearance Yellowish powder
Purity ≥98.5%(HPLC)
Melting Point 108-110℃
Ash ≤0.1%
Loss On Drying ≤0.3%
Transmittance 460nm≥95%   500 nm≥97%

Properties and Application: UV-928 has broad absorption properties which can effectively protect coating and other photosensitive materials.
The product has high solubility, high temperature resistant and good environmental durability and so on..
It is suitable for high performance coatings, especially suitable for powder coating and industrial and automotive coatings. UV-928 can be enhanced when used in combination with a HALS stabilizer such as UV-292 or UV-123.

Solubility (20℃:g/100g Solvent)

Water Butanol Butyl acetate butyl cellosolve Solvesso 100#
<0.01 17 >30 35 >30

Package: 20/25kg cartons or drums.

Company Info

Henan Wising Chem Co., Ltd