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        Diisobutyl-dimethoxy-silane (B-Donor)

        Product Introduction

        Chemical name : diisobutyl-dimethoxy-silane (B-Donor?for short)

        CAS No.: 17980-32-4

        Molecular formula:C10H24O2Si

        Molecular weight:204.4

        Structural formula:Diisobutyl-dimethoxy-silane (B-Donor)

        Physical Properties

        Item Index
        Appearance Colorless transparent liquid
        Purity, % ≥99.0
        Boiling point, °C/(760mmHg) 199.8
        Density, g/cm3 0.841
        Refractive index 25°C 1.4235-1.4255
        Solubility Dissolved in organic solvent but not water
        Flash point, °C 84
        Freezing point, °C ≤0
        Methanol content, % ≤0.05
        Water content, % ≤0.01
        Chlorine content (measured with HCL), % ≤0.003



        It is applied in the catalyst during propylene polymerization as electron donor and can be used for organic synthesis as organic silicon 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 and ex-proof warehouse to prevent the sunlight from direct radiation. The stable period for storage is one year.


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