2,4-Di-tert-butylphenyl-4’-hydroxy-3’,5’-di-tert-butyl benzoate;
2,4-Di-tert-butylphenyl 3,5-di-tert-butyl-4-hydroxybenzoate
PowerSorb™ 120 is a substituted benzoate that absorbs ultraviolet radiation and through a reversible chemical rearrangement, dissipates the energy as heat.
| Synonyms | Songsorb 7120, UV-120 |
CAS Number | 4221-80-1 |
EINECS Number | 224-166-0 |
Chemical Structure |
|
Chemical Formula | C29H42O3 |
Molecular Weight | 439 |
Packing | PowerSorb™ 120 is supplied in 20Kg Paper Bag, 25Kg Carton Box, 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™ 120 provides better initial color than benzotriazoles.
PowerSorb™ 120 exhibits a synergistic effect in combination with HALS. (Hindered Amine Light Stabilizer)
PowerSorb™ 120 can be used in combination with phenolic and phosphite antioxidants, and HALS for thermal and light stabilization in outdoor use – i.e. TPO bumper application.
PowerSorb™ 120 is recommended for use at levels of 0.2% ~ 1% in Polypropylene, Polyethylene, TPO, PVC, EVA, unsaturated Polyester ABS, AS, etc.
Appearance | White powder |
Specific Gravity [20°C] | 1.06 |
Melting Point (°C) | 194-197 |
Volatile Loss (%) | Max.0.5 |
Color of Solution (460nm, %) | Min.97 |
Color of solution (500nm, %) | Min.99 |
L Value (color meter) | Min.94.5 |
Ash (%) | Max.0.1 |
Color (APHA) | Max.10 |
Purity (%) | Min.99.5 |
Solubility [20°C] | % w/w |
Acetone | 10 |
Chloroform | 41 |
Ethyl acetate | 11 |
n-Hexane | 1 |
Methanol | 1 |
Isopropanol | 2 |
Toluene | 13 |
Water | <0.01 |
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PowerSorb 120 Benzoate UV Absorber 4221 80 1 
