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        Dicyclopentyl-dimethoxy-silane (D-Donor)


        Product Introduction

        Chemical name:dicyclopentyl-dimethoxy-silane (D-Donor?for short)

        CAS No.: 126990-35-0

        Molecular formula:C12H24O2Si

        Molecular weight:228.4

        Structural formula:Dicyclopentyl-dimethoxy-silane (D-Donor)

        Physical Properties

        Item Index
        Appearance Colorless transparent liquid
        Purity, % ≥99.0
        Boiling point, °C/(760mmHg) 264.955
        Density, g/cm3 0.957
        Refractive index 25°C 1.4640-1.4650
        Solubility Dissolved in organic solvent but not water
        Flash point, °C 102
        Methanol content, % ≤0.05
        Water content, % ≤0.02
        Chlorine content (measured with HCL), % ≤0.003



        It is applied in the catalyst during propylene polymerization. It can be use to enhance the activity and the stereo-selectivity of catalyst as electron donor, and used for organic synthesis as organosilicone monomer. It is an important silylation reagent.

        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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