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        Diphenyl-dimethoxy-silane (DDS)

        Product Introduction

        Chemical name: diphenyl-dimethoxy-silane (“DDS?for short)

        CAS No.:6843-66-9

        Molecular formula:C14H16O2Si

        Molecular weight:244.36

        Structural formula:Diphenyl-dimethoxy-silane (DDS)

        Physical Properties

        Item Index
        Appearance Colorless transparent liquid
        Purity, % ≥97.0
        Boiling point, °C/(760mmHg) 286
        Density, g/cm3 1.08
        Refractive index 25°C 1.541-1.545
        Solubility Dissolved in organic solvent but not water
        Flash point, °C 157



        It is used as catalyst promoter to adjust the isotacticity of polypropylene during propylene polymerization reaction, and also called electron donor. It is used for organic synthesis as organic monomer.

        Packaging and Storage

        It is packed in iron drums and its net weight is 200 kg/drum (or as required by the client). It should be stored in dry, cool, ventilated, fire prevention, ex-proof warehouse to prevent the sunlight from direct radiation. The stable period for storage is one year.


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