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Triethoxysilane

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Triethoxysilane Basic information
Triethoxysilane Chemical Properties
  • Melting point:-170°C
  • Boiling point:134-135 °C(lit.)
  • Density 0.89 g/mL at 25 °C(lit.)
  • refractive index n20/D 1.377(lit.)
  • Flash point:80 °F
  • storage temp. Store at 0-5°C
  • form A liquid
  • Specific Gravity0.8753
  • Water Solubility Insoluble in water. Soluble in organic solvents.
  • Sensitive Moisture Sensitive
  • Hydrolytic Sensitivity7: reacts slowly with moisture/water
  • BRN 1738989
  • Stability:Stable, but moisture sensitive. Flammable. Incompatible with strong oxidizing agents, strong acids, strong bases.
  • InChIKeyQQQSFSZALRVCSZ-UHFFFAOYSA-N
  • CAS DataBase Reference998-30-1(CAS DataBase Reference)
  • NIST Chemistry ReferenceSilane, triethoxy-(998-30-1)
  • EPA Substance Registry SystemTriethoxysilane (998-30-1)
Safety Information
MSDS
Triethoxysilane Usage And Synthesis
  • Chemical PropertiesColorless, clear liquid
  • General DescriptionLiquid. Used as a reducing agent.
  • Air & Water ReactionsMay become pyrophoric, by generation of silane
  • Reactivity ProfileTriethoxysilane has been involved in cases where Triethoxysilane has disproportionated, generating silane (SiH4) which has a history of being pyrophoric.
  • Health HazardToxicity is similar to silanes. Silanes are moderately irritating to skin, eyes, and mucous membranes. Silane compounds are toxic.
  • Fire HazardWhen heated to decomposition, Triethoxysilane emits acrid smoke and fumes.
  • Safety ProfilePoison by intravenous route.Moderately toxic by inhalation. Flammable liquid. Whenheated to decomposition it emits acrid smoke andirritating fumes.
  • Purification MethodsFractionate it using a column packed with glass helices of ca 15 theoretical plates in an inert atmosphere. Store it in aliquots in sealed ampoules because it is sensitive to moisture. [Spauschus et al. J Am Chem Soc 72 1377 1950, MacKenzie et al. J Am Chem Soc 72 2032 1950, Havill et al. J Org Chem 13 280 1948, Beilstein 1 IV 1359.]
Triethoxysilane(998-30-1)Related Product Information
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