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Benzotriazole Based Ultraviolet Absorbers
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2-(2’-hydroxy-3’-t-butyl-5’-methylphenyl)-5-chlorobenzotriazole.
Synonym: 2-tert-butyl-6-(5-chloro-2H-benzotriazol-2-yl)-4-methylphenol
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PowerSorb™ 326 is a UV absorber of the hydroxyphenylbenzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
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| Chemical Name: |
2-(2’-hydroxy-3’-t-butyl-5’-methylphenyl)-5-chlorobenzotriazole |
| CAS No.: |
3896-11-5 |
| EINECS No.: |
223-445-4 |
| Formula: |
C17H18 N3OCl |
| Molecular
Weight: |
316 |
| Density（20°C）: |
1.32g/cm3 |
| Melting Point(°C): |
138-142°C |
| Flash Point(°C): |
238°C DIN 51584 |
| Vapor Pressure（20°C）: |
7.5E-7Pa |
| Volatile Loss(%): |
Max.0.5 |
| Color of Solution 460nm(%): |
Min.97 |
| Color of Solution 500nm(%): |
Min.98 |
| Appearance: |
Pale Yellow Powder |
| Ash(%): |
Max.0.1 |
| Min. Purity: |
99% |
| Solubility (20°C) |
% w/w |
| Acetone: |
1.0 |
| Benzene: |
10.5 |
| Chloroform: |
11.0 |
| Cyclohexane: |
6.4 |
| Ethanol: |
0.1 |
| Ethyl acetate: |
2.0 |
| n-Hexane: |
1.0 |
| Methanol: |
0.1 |
| Dichloromethane: |
4.3 |
| Toluene: |
11.3 |
| MEK: |
13.3 |
| Styrene: |
12.0 |
| Mineral spirits: |
1.5 |
| Water: |
<0.01 |
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PowerSorb™ 326 is especially suited for polyolefins and cold cured polyesters.
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PowerSorb™ 326 is supplied in 20Kg cartons or drums. |
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