2-(2'-Hydroxy-3',5'-di-t-butylphenyl)benzotriazole;
2-benzotriazol-2-yl-4,6-di-tert-butylphenol
PowerSorb™ 320 is a strong absorber of ultraviolet radiation and has a high degree of photostability - photochemical energy absorbed in the ultraviolet region is dissipated as thermal energy.
| Synonyms | Tinuvin 320, Songsorb 3200, Eversorb 77. |
CAS Number | 3846-71-7 |
EINECS Number | 223-346-6 |
Chemical Structure |
|
Chemical Formula | C20H25N3O |
Molecular Weight | 323 |
Packing | PowerSorb™ 320 is supplied in 25Kg Carton Box or 50Kg Fiber Drum. |
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™ 320 is recommended for use in styrenics, vinyls, polycarbonates, polyesters and acrylics the normal use level in plastics ranges from 0.2 to 0.8%.
PowerSorb™ 320 is highly effective in stabilizing coatings such as urethanes and nitrocellulose in coatings applications, the use levels range from 0.5 to 2.0%.
PowerSorb™ 320 can be used in combination with phenolic & phosphite antioxidants, and HALS to optimize performance in outdoor use.
Appearance | White powder |
Melting Range (°C) | 152-155 |
Volatile Loss (%) | Max.0.5 |
Color of Solution (460nm, %) | Min.97 |
Color of Solution (500nm, %) | Min.98 |
Ash (%) | Max.0.1 |
Purity (%) | Min.99 |
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PowerSorb 320 Benzotriazole UV Absorber 3846 71 7 
![2-[2-Hydroxy-3,5-di(1,1-dimethylbenzyl)phenyl]-2H-benzotriazole](/uploads/image/20230904/13/antioxidant-additives-for-polymers.webp "2-[2-Hydroxy-3,5-di(1,1-dimethylbenzyl)phenyl]-2H-benzotriazole")
