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Tributyl borate

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Tributyl borate Basic information
Tributyl borate Chemical Properties
  • Melting point:−70 °C(lit.)
  • Boiling point:114-115 °C12 mm Hg(lit.)
  • Density 0.853 g/mL at 25 °C(lit.)
  • vapor density 7.95 (vs air)
  • refractive index n20/D 1.409(lit.)
  • Flash point:200 °F
  • form Liquid
  • color Clear colorless
  • Specific Gravity0.853
  • Water Solubility decomposes
  • Sensitive Moisture Sensitive
  • Hydrolytic Sensitivity7: reacts slowly with moisture/water
  • BRN 1703865
  • Stability:Stables, but reacts rapidly with moisture, water. Reacts vigorously with oxidizing agents. Incompatible with strong acids.
  • CAS DataBase Reference688-74-4(CAS DataBase Reference)
  • NIST Chemistry ReferenceBoric acid, tributyl ester(688-74-4)
  • EPA Substance Registry SystemTributyl borate (688-74-4)
Safety Information
Tributyl borate Usage And Synthesis
  • Chemical PropertiesWater-white liquid. Distillation range, 85% distills between 135C and 140C (40 mm Hg). Hydrolyzes rapidly; miscible with common organic liquids. Combustible.
  • UsesWelding fluxes, intermediate in preparation of borohydrides, flame retardant for textiles (with boric acid).
  • Air & Water ReactionsRapidly decomposes in water.
  • Reactivity ProfileBorates behave similarly to esters in that they react with acids to liberate heat along with alcohols and acids. Strong oxidizing acids may cause a vigorous reaction that is sufficiently exothermic to ignite the reaction products. Heat is also generated by the interaction of esters with caustic solutions. Flammable hydrogen is generated by mixing esters/borates with alkali metals and hydrides. Reacts vigorously with oxidizing materials. .
  • Health HazardACUTE/CHRONIC HAZARDS: Toxic; may emit toxic fumes when heated to decomposition or on contact with acid or acid fumes, local irritant.
  • Safety ProfileModerately toxic by ingestion and intraperitoneal routes. An eye irritant. Flammable when exposed to heat, flame, or oxiduers. To fight fire, use foam, CO2, dry chemical. When heated to decomposition or on contact with acid or acid fumes it can emit toxic fumes; on contact with oxidizing materials it can react vigorously. See also BORANES and BORON COMPOUNDS.
  • Purification MethodsThe chief impurities are n-butyl alcohol and boric acid (from hydrolysis). It must be handled in a dry-box and can readily be purified by fractional distillation, under reduced pressure. [O’Brien Aust J Chem 10 91 1957, Gerrard & Lappert J Chem Soc 2545, 2547 1951, Beilstein 1 IV 1544.]
Tributyl borate Preparation Products And Raw materials
Tributyl borate(688-74-4)Related Product Information
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