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        Phenyl-trimethoxy-silane (PTMS)

        Product Introduction

        Chemical name:phenyl-trimethoxy-silane

        CAS No.:2996-92-1

        Molecular formula:C9H14O3Si

        Molecular weight:198.29

        Structural formula:Phenyl-trimethoxy-silane (PTMS)

        Physical Properties

        Item Index
        Appearance Colorless transparent liquid
        Purity, % ≥99.0
        Boiling point, °C/(760mmHg) 185.7
        Density, g/cm3 1.02
        Refractive index 25°C 1.4720-1.4750
        Solubility Dissolved in organic solvent but not water
        Flash point, °C 63.8



        It is used as the raw material for preparation of polymethylphenyl siloxane fluid and the intermediate of other silicon products.

        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 and ventilated warehouse to prevent the sunlight from direct radiation. The stable period for storage is one year.


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