Benzophenones Based Ultraviolet Absorbers
|
|
2,4-Dihydroxybenzophenone.
|
|
PowerSorb™ 3000 is a UV absorber that is effective in the 280 – 320 nm range. It is soluble in common organic solvents and readily compatible with many polymers.
|
| Chemical Name: |
2,4-Dihydroxybenzophenone |
| CAS No.: |
131-56-6 |
| EINECS No.: |
205-029-4 |
| Formula: |
C13H10O3 |
| Molecular
Weight: |
214 |
| Gardner color value(2% in methanol): |
3 |
| Melting Point: |
140-143°C |
| Gardner color: |
Max.5 |
| Appearance: |
Off-white powder |
| Content of active substance: |
100% |
| Solubility (20°C) |
% w/w |
| Acetone: |
>10 |
| Ethyl acetate: |
25 |
| Methanol: |
40 |
| Ethanol: |
40 |
| Methyl ethyl ketone: |
40 |
| Methyl methacrylate: |
5 |
| N-Methylpyrrolidone: |
>20 |
| Styrene: |
0.5 |
| Toluene: |
<1 |
| Water: |
<0.01 |
Polystyrene: prevention of yellowing.
Polymethacrylates: improvement of optical and mechanical properties(eg, of transparent extruded sheet).
Rubber-based adhesives: stabilization of adhesive properties.
Alkyd and phenolic resins: improvement of fastness to weathering.
Epoxy resin/unsaturated polyesters: retardation of aging. |
|
PowerSorb™ 3000 is supplied in 25Kg plastic drum
|
|
