PowerSorb™ 234 CAS No. 70321-86-7
2-[2-hydroxy-3,5-di-(1,1-dimethylbenzyl)]-2H-benzotriazole;
2-(2H-benzotriazol-2-yl)-4,6-bis(1-methyl-1-phenylethyl) phenol
PowerSorb™ 234 is a high molecular weight ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, imparting excellent light stability to a variety of polymers.
Technical Data of PowerSorb™ 234 CAS No. 70321 86 7
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Synonyms |
Tinuvin 234, Tinuvin 900, Uvinul 3034, Songsorb 2340, Lowilite 234, Eversorb 234,Eversorb 76, Chiguard 234, Everstab 234/900. |
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CAS Number |
70321-86-7 |
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EINECS Number |
274-570-6 |
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Chemical Structure |
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Chemical Formula |
C30H29N3O |
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Molecular Weight |
448 |
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Packing |
PowerSorb™ 234 is supplied in 25Kg Cartons or Drums. |
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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. |
Benefits & Applications of PowerSorb™ 234 cas no 70321 86 7
PowerSorb™ 234 is highly effective for polymers processed at high temperatures such as polycarbonates, poly alkylene terephthalates, polyacetals, polyamides, polyphenylene sulfide, polyphenylene oxide, aromatic copolymers, thermoplastic polyurethane and polyurethane fibers, as well as for polyvinylchloride, styrene homo- and copolymers. Applications include molded articles, films, sheets and fibers.
Physical Properties of PowerSorb™ 234 cas 70321 86 7
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Appearance |
Off-white powder |
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Melting Range (°C) |
138-142 |
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Volatile Loss (%) |
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Specific Gravity (20°C, g/cm3) |
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Vapor Pressure (20°C, Pa) |
~2-10 |
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Color of Solution (460nm, %) |
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Color of Solution (500nm, %) |
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Ash (%) |
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Purity (%) |
Solubility of PowerSorb™ 234 CAS No. 70321-86-7
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Solubility [20°C] |
% w/w |
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Acetone |
2 |
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Benzene |
10 |
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Chloroform |
35 |
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Cyclohexane |
5 |
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Ethanol |
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Ethyl acetate |
4 |
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n-Hexane |
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Methanol |
<0.1 |
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Dichloromethane |
34 |
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MEK |
13 |
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Toluene |
20 |
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Butyl carbitol |
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Butanol |
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Butyl acetate |
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Ethyl glycol |
1 |
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Xylene |
10 |
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Water |
<0.01 |
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