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    Synonym:Silicon tetraethoxide ;Tetraethoxysilane;Tetraethyl orthosilicate;TEOS

     

    Introduction

     SI-28 the ethyl ester of orthosilicic acid, is a colorless, low-viscosity liquid with an SiO2 content of 28.5%.

    Typical Physical Properties

    Chemical Name:

    Ethyl Silicate

    CAS No.:

    78-10-4

    EINECS No.:

    232-136-3

    Empirical Formula:

    C4H20O4Si

    Molecular Weight:

    208.3

    Boiling Point:

    168°C [760mmHg]

    Flash Point:

    46°C

    Color and Appearance:

    Colorless transparent liquid

    Density [25°C]:

    0.934

    Refractive Index [25°C]:

    1.3838 [25°C]

    Purity:

    Min.99.0% by GC

    Application

    SI-28 may be used as an inorganic binder for refractory fillers and pigments, like precision investment castings.

    SI-28 may be used as a second backup casting coating. It cures faster than colloidal silica system.

    SI-28 may be hydrolyzed to form silicon dioxide (silica).

    SI-28 may be used as a binder in zinc-rich (corrosion resistant) coating.

    SI-28 may be used as a starting material for sol-gel process.

    SI-28 may be used as a crosslinking agent for silicone sealant.

    SI-28 may be used as a drying agent in sealing compositions.

    SI-28 may be used as a chemical intermediate

    Packing:Net weight 190Kg steel drum or 900Kg IBC container

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