2-(2H-Benzotriazol-2-yl)-4-(tert-butyl)-6-(sec-butyl)phenol
PowerSorb™ 350 is a kind of benzotriazole type ultraviolet light absorber (UVA).
| Synonyms | Eversorb 79, UV-350 |
CAS Number | 36437-37-3 |
EINECS Number | 253-037-1 |
Chemical Structure |
|
Chemical Formula | C20H25N3O |
Molecular Weight | 323.4 |
Packing | PowerSorb™ 350 is supplied in a 25Kg Fiber Drum with an inner PE liner or 25Kg Carton. |
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™ 350 is effective in a variety of polymeric systems, particularly in polyesters, polyvinyl chlorides, styrenics, acrylics, polycarbonates, and polyvinyl butyal. PowerSorb™ 350 is especially noted for its broad range UV absorption, low color, low volatility, and excellent solubility. Typical end-uses include molding, sheet, and glazing materials for window lighting, sign, marine and auto applications. Specialty applications for PowerSorb™ 350 include coatings (particularly thermosets where low volatility is a concern), photo products, sealants, and elastomeric materials.
Appearance | Light yellow powder |
Melting Point (°C) | 80-84 |
Assay (%) | Min.99 |
Ash (%) | Max.0.1 |
Transmission (425nm, %) | Min.96 |
Transmission (500nm, %) | Min.97 |
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PowerSorb 350 Benzotriazole UV Absorber 36437 37 3 
![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")
