Basic information Safety Related Supplier
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Basic information Safety Related Supplier
  • Melting point:22°C
  • Boiling point:223 °C10 mm Hg(lit.)
  • Density 0.984 g/mL at 25 °C(lit.)
  • vapor density >1 (vs air)
  • vapor pressure <5 mm Hg ( 20 °C)
  • refractive index n20/D 1.459(lit.)
  • Flash point:193 °F
  • storage temp. Store below +30°C.
  • form A liquid
  • Specific Gravity0.984
  • Water Solubility Decomposes in water.
  • Hydrolytic Sensitivity8: reacts rapidly with moisture, water, protic solvents
  • Sensitive Moisture Sensitive
  • BRN 1778847
  • Stability:Stable. Reacts violently with water. Incompatible with strong acids, strong bases, strong oxidizing agents. Air-sensitive. Combustible.
  • CAS DataBase Reference112-04-9(CAS DataBase Reference)
  • NIST Chemistry ReferenceSilane, trichlorooctadecyl-(112-04-9)
  • EPA Substance Registry SystemSilane, trichlorooctadecyl- (112-04-9)
Safety Information
  • Chemical PropertiesColorless clear liquid
  • General DescriptionA colorless liquid with a pungent odor. Flash point of 193°F. Decomposed by water to hydrochloric acid with the evolution of heat. Corrosive to metals and tissue. Used to make various silicon containing compounds.
  • Reactivity ProfileChlorosilanes, such as N-OCTADECYLTRICHLOROSILANE, are compounds in which silicon is bonded to from one to four chlorine atoms with other bonds to hydrogen and/or alkyl groups. Chlorosilanes react with water, moist air, or steam to produce heat and toxic, corrosive fumes of hydrogen chloride. They may also produce flammable gaseous H2. They can serve as chlorination agents. Chlorosilanes react vigorously with both organic and inorganic acids and with bases to generate toxic or flammable gases.
  • Health HazardTOXIC; inhalation, ingestion or contact (skin, eyes) with vapors, dusts or substance may cause severe injury, burns or death. Contact with molten substance may cause severe burns to skin and eyes. Reaction with water or moist air will release toxic, corrosive or flammable gases. Reaction with water may generate much heat that will increase the concentration of fumes in the air. Fire will produce irritating, corrosive and/or toxic gases. Runoff from fire control or dilution water may be corrosive and/or toxic and cause pollution.
  • Fire HazardCombustible material: may burn but does not ignite readily. Substance will react with water (some violently) releasing flammable, toxic or corrosive gases and runoff. When heated, vapors may form explosive mixtures with air: indoors, outdoors and sewers explosion hazards. Most vapors are heavier than air. They will spread along ground and collect in low or confined areas (sewers, basements, tanks). Vapors may travel to source of ignition and flash back. Contact with metals may evolve flammable hydrogen gas. Containers may explode when heated or if contaminated with water.
  • Safety ProfileA corrosive irritant to skin, eyes, and mucous membranes. Reacts with water or steam to produce toxic and corrosive fumes. When heated to decomposition it emits toxic fumes of Cl-. See also CHLOROSILANES.
  • Purification MethodsPurify it by fractional distillation at high vacuum. [Winstein & Seubold J Am Chem Soc 69 2916 1947, Beilstein 4 IV 4256.]
N-OCTADECYLTRICHLOROSILANE Preparation Products And Raw materials
N-OCTADECYLTRICHLOROSILANE(112-04-9)Related Product Information
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