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Basic information Description Safety Related Supplier
Vinyltrimethoxysilane Basic information
Vinyltrimethoxysilane Chemical Properties
  • Melting point:<-70°C
  • Boiling point:123 °C(lit.)
  • Density 0.971 g/mL at 25 °C(lit.)
  • vapor pressure 88 hPa (55 °C)
  • refractive index n20/D 1.392(lit.)
  • Flash point:73 °F
  • storage temp. 2-8°C
  • form liquid
  • Specific Gravity0.970
  • explosive limit1.1%(V)
  • Water Solubility slightly soluble
  • Sensitive Moisture Sensitive
  • Hydrolytic Sensitivity7: reacts slowly with moisture/water
  • BRN 1099136
  • CAS DataBase Reference2768-02-7(CAS DataBase Reference)
  • NIST Chemistry ReferenceVinyltrimethoxysilane(2768-02-7)
  • EPA Substance Registry SystemVinyltrimethoxysilane (2768-02-7)
Safety Information
  • Hazard Codes Xi
  • Risk Statements 10-36/37/38-20
  • Safety Statements 26-36/37/39-37/39-16
  • RIDADR UN 1993 3/PG 2
  • WGK Germany 1
  • RTECS VV6770000
  • 10-21
  • Autoignition Temperature235 °C
  • TSCA Yes
  • HazardClass 3
  • PackingGroup III
  • HS Code 29310095
  • ToxicityLD50 orally in Rabbit: 7120 mg/kg LD50 dermal Rabbit 3259 mg/kg
Vinyltrimethoxysilane Usage And Synthesis
  • DescriptionVinyltrimethoxysilane, is used as a polymer modifier via grafting reactions. The resulting pendant trimethoxysilyl groups can function as moisture-activated crosslinking sites. The Silane grafted polymer is processed as a thermoplastic and crosslinking occurs after fabrication of the finished article upon exposure to moisture.

    Vinyltrimethoxysilane is mainly applied in these aspects:
    1. In the preparation of moisture-curing polymers, e.g. polyethylene. Silane crosslinked polyethylene is widely used as cable isolation, and sheathing mainly in low voltage applications as well as for hot water/sanitary pipes and underfloor heating.
    2. As a co-monomer for the preparation of different polymers such as polyethylene or acrylics. Those polymers show an improved adhesion to inorganic surfaces and they can also be crosslinked with moisture.
    3. As an efficient adhesion promoter for various mineral-filled polymers, improving mechanical and electrical properties especially after exposure to moisture.
    4. Improving the compatibility of fillers with polymers, leading to a better dispersibility, reduced melt viscosity and easier processing of filled plastics.
    5. Pre-treating of glass, metals, or ceramic surfaces, improve the adhesion of coatings on these surfaces and corrosion resistance.
    6. As moisture scavenger, it reacts rapidly with water. This effect is used widely in sealants.
  • Chemical PropertiesColorless transparent liquid
Vinyltrimethoxysilane Preparation Products And Raw materials
Vinyltrimethoxysilane(2768-02-7)Related Product Information
  • Company Name:Shandong Wanda Organosilicon New Materials Co., Ltd. Gold
  • Tel:021-54177116
  • Company Name:Qufu Chenguang Chemical Co., Ltd Gold
  • Tel:18366746633 0537-4409155
  • Tel:18155919527
  • Company Name:Hubei kefule Material Technology Co., Ltd Gold
  • Tel:13720265353 027-84459282
  • Company Name:Condice Chemical (Hubei) Co., Ltd. Gold
  • Tel:18064039730 027-83261266