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  • Products Center
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    Ultraviolet absorber UV-328

    Chemical name:2-(2'-Hydroxy-3',5'-di-tert-pentylphenyl)-benzotriazole
    Molecular formula:C22H29N3O
    Structural formula:

    Properties and application:It is a pale yellowish powder melting point 81, soluble in benzene, toluene, ethyl acetate and petroleum ether, slightly soluble in ethyl alcohol and methyl alcohol insoluble in water.
    It is a excellent ultraviolet absorbet, UV  max:345nm, solubility for polymer is good, volatility is little, mainly used for PE, PP,PS,PVC, poly ester and ABS resins, and so on.
    Light yellow powder
    Melting point
    Volatile matter
    Ash content
    460nm≥97% 500nm≥98%

    Package: 25kg Carton

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