Benzotriazole Based Ultraviolet Absorbers
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2-(2H-benzotriazol-2-yl)-p-cresol.
Synonym: 2-(2H-Benzotriazole-2-yl)-4-methylphenyl;
2- (2’-hydroxy-5’-methylphenyl) benzotriazole |
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PowerSorb™ 1000 is a strong absorber of UV radiation, imparting good light stability to a wide variety of polymers.it is a slightly yellowish crystalline powder.
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| Chemical Name: |
2-(2H-benzotriazol-2-yl)-p-cresol |
| CAS No.: |
2440-22-4 |
| EINECS No.: |
219-470-5 |
| Formula: |
C13H11N3O |
| Molecular
Weight: |
225 |
| Melting Point(°C): |
128-132 |
| Flash Point(°C): |
205 |
| Vapor Pressure 20°C: |
1.5E-4Pa |
| Transmittance(%)500nm: |
5g/100ml |
| Specific Gravity[20°C]: |
1.38g/cm3 |
| Volatile (%) : |
Max.0.5 |
| Color of Solution 440nm (%): |
Min.97 |
| Color of Solution 450nm(%): |
Min.98 |
| Appearance: |
Slightly Yellow Powder |
| Ash (%): |
Max.0.1 |
| Min. Purity: |
99% |
| Solubility (20°C) |
% w/w |
| Acetone: |
3 |
| Chloroform: |
13 |
| Dioctyl phthalate: |
2 |
| Benzene: |
7 |
| Butyl acetate: |
3 |
| Carbitol: |
2 |
| Ethanol: |
0.3 |
| Ethyl acetate: |
3 |
| n-Hexane: |
0.8 |
| MEK: |
4 |
| Methanol: |
0.5 |
| Dichloromethane: |
16 |
| Methyl methacrylate: |
5 |
| Mineral spirits: |
1.5 |
| Styrene: |
7 |
| Toluene: |
6 |
| Water: |
<0.01 |
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PowerSorb™ 1000 provides ultraviolet protection in a wide variety of polymers including styrene homoand copolymers, engineering plastics such as polyesters and acrylic resins, polyvinyl chloride, and other halogen containing polymers and copolymers (e.g. vinylidenes), acetals and cellulose esters. Elastomers, adhesives, polycarbonate blends, polyurethanes, and some cellulose esters and epoxy materials also benefit from the use of PowerSorb™ 1000.
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PowerSorb™ 1000 is supplied in 25Kg plastic drum lined iron barrel.
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