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| Tinuvin 328 |
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| 2-(2H-benzotriazol-2-yl)-4,6-di-tert-pentylphenol |
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| 2-(2'-Hydroxy-3,5-di-t-amylphenyl)benzotriazole |
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| 25973-55-5 |
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TINUVIN 328 is an ultraviolet light absorber (UVA) of the hydroxyphenyl benzotriazole class, which imparts outstanding light stability to plastics and other organic substrates.
TINUVIN 328 is a highly effective light stabilizer for a variety of plastics and other organic substrates.
Its use is recommended for the stabilization of styrene homo- and copolymers,
acrylic polymers, unsaturated polyesters, polyvinylchloride, polyolefins, polyurethanes, polyacetals, polyvinylbutyral , elastomers, and adhesives.
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Melting Range: 80-88'C
Flashpoint: 229'C
Specific Gravity (20'C): 1.17 g/cm3
Vapor Pressure (20'C): 4.7 E-6 Pa
Solubility (20'C) % w/w Water < 0.01 Acetone 6 Benzene 39 Chloroform 44 Cyclohexane 15 Ethylacetate 16 n-Hexane 16 Methanol 0.4 Methylene chloride 56
Molecular weight: 351.5 g/mol |
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