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  • Trimethylchlorosilane M3

    Trimethylchlorosilane (M3)

    Product Name: trimethylchlorosilane

    Alias: M3 / MCS

    Molecular formula: (CH3) 3SiCl

    Molecular Weight: 108.7

    CAS Number: 75-77-4



    Flash Point: <- 18 ℃ (closed cup)

    Relative density (water = 1): 0.85

    Vapor Pressure: 26.7kPa (20 ℃)

    Melting point: -58 ℃

    Relative vapor density (air = 1): 3.8

    Upper explosion limit {% (V / V)} 1.8

    Boiling point: 57 ℃

    Water solubility: water-reactive

    Upper explosion limit [% (V / V)] 6

    Auto-ignition temperature: 395 ℃

    PH value: reacts with water and form HCL



    1. Appearance: colorless transparent liquid

    2. Trimethylchloro silane mass fraction (%): ≥99.00

    3. The mass fraction of silicon tetrachloride (%): ≤0.030


    Properties and Uses:

    Colorless transparent liquid, volatile, flammable, mainly for the production of head agent MM, silazanes, cephalosporins, active gene protection agents


    Packaging and transportation:

    1. Plastic bucket, net weight 170kg / barrel, or international standards set canning packing;

    2. This product should be stored in a cool, dry place, paying attention to water, fire and heat.

    3. Sealed storage is required and should not be mixed with oxidants, acids, alkalis.

    4. Transported as dangerous goods and should avoid sunlight and rain. Handle with care and load lightly to prevent damage of packaging and containers.

    Stability: stable under the specified conditions of use and storage (in a sealed container).


    Incompatibility: Strong oxidizing agents, alcohols, caustic ammonia. The presence of water will jointly cause a variety of metal corrosion. (Reacts violently with water and form hydrogen chloride . React violently with alcohols and amines and will lead to the risk of fire and explosion)

    Conditions to Avoid: Incompatible materials, all kinds of heat and ignition sources, static electricity spark, humid air and water.


    Decomposition products: When heated, the material will decompose to generate hydrogen chloride, phosgene and chlorine compounds and form toxic and corrosive fumes. Reacts violently with water to form hydrogen chloride


    Hazardous Polymerization: Not occur

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