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UV-329 CAS 3147-75-9


  • CAS: 3147-75-9
  • Molecular Formula: C20H25N3O
  • Molecular Weight: 323.43
  • EINECS: 221-573-5
  • Synonyms: EUSORB323; 2-(2'-HYDROXY-5'-TERT-OCTYLLPHENYL)BENZOTRIAZOLE; 2-(2'-HYDROXY-5'-TERT-OCTYLPHENYL)BENZOTRIAZOLChemicalbookE; 2-(2-HYDROXY-5-TERT-OCTYLPHENYL)BENZOTRIAZOLE
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    What is UV-329 CAS 3147-75-9?

    UV absorber UV-329 is an excellent and efficient anti-aging agent, soluble in benzene, styrene, ethyl acetate, slightly soluble in ethanol, insoluble in water, can absorb 270-340 nm UV light, Widely used in PE, PVCChemicalbook, PP, PS, PC, polypropylene fiber, ABS resin, epoxy resin, resin fiber and vinyl acetate and other aspects. It can be used for packaging materials such as plastic containers and food packaging boxes, providing them with a good light stabilization effect.

    Specification 

    Item Specification
    Melting point 106-108 °C(lit.)
    Boiling point 471.8±55.0 °C(Predicted)
    Density 1.10±0.1 g/cm3(Predicted)
    Vapor pressure 0Pa at 20℃
    Acidity coefficient (pKa) 8.07±0.45(Predicted)
    Water solubility 2μg/L at 20℃
    LogP 7.290 (est)

    Application

    Light stabilizer UV-329 is a highly efficient light stabilizer with a wide range of UV absorption properties, low volatility, suitable for polystyrene, polymethyl acrylate, polyester, rigid polyvinyl chloride, polycarbonate, ABS resins, etc. It is especially effective in transparent products and engineering plastics processed at high temperature. When combined with antioxidant, it has excellent synergistic effect, which can improve the weather resistance and thermal stability of the product.

    Package 

    25kg/drum or according to customer requirements.

    UV-329-packing

    UV-329 CAS 3147-75-9

    UV-329-package

    UV-329 CAS 3147-75-9


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