2-(2’-hydroxy-3’-t-butyl-5’-methylphenyl)-5-chlorobenzotriazole;
2-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol
PowerSorb™ 326 is a UV absorber of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
Synonyms | Tinuvin 326, Uvinul 3026, Songsorb 3260, Lowilite 26, Hostavin 3326, Eversorb 73, Chiguard 326, EVERSTAB 326. |
CAS Number | 3896-11-5 |
EINECS Number | 223-445-4 |
Chemical Structure | |
Chemical Formula | C17H18N3OCl |
Molecular Weight | 316 |
Packing | PowerSorb™ 326 is supplied in 20Kg Cartons or Drums. |
Note | All information in the leaflet is based on our present knowledge and experience. We reserve the right to make any changes according to technological progress or further developments. Performance of the product described herein should be verified by testing. We specifically disclaim any other express or implied warranty of fitness for a particular purpose or merchantability. We disclaim liability for any incidental or consequential damages. |
PowerSorb™ 326 is especially suited for polyolefins and cold cured polyesters.
Appearance | Pale yellow powder |
Density (20°C, g/cm3) | 1.32 |
Melting Point (°C) | 138-142 |
Flash Point (°C) | 238 |
Vapor Pressure (20°C) | 7.5E-7Pa |
Volatile Loss (%) | Max.0.5 |
Color of Solution (460nm, %) | Min.97 |
Color of Solution (500nm, %) | Min.98 |
Ash (%) | Max 0.1 |
Purity (%) | Min. 99 |
Solubility [20°C] | % w/w |
Acetone | 1.0 |
Benzene | 10.5 |
Chloroform | 11.0 |
Cyclohexane | 6.4 |
Ethanol | 0.1 |
Ethyl acetate | 2.0 |
n-Hexane | 1.0 |
Methanol | 0.1 |
Dichloromethane | 4.3 |
Toluene | 11.3 |
MEK | 13.3 |
Styrene | 12.0 |
Mineral spirits | 1.5 |
Water | <0.01 |