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TANTALUM PENTAFLUORIDE

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TANTALUM PENTAFLUORIDE Basic information
TANTALUM PENTAFLUORIDE Chemical Properties
  • Melting point:96.8 °C
  • Boiling point:229.5 °C
  • Density 4.74 g/mL at 25 °C(lit.)
  • Flash point:230°C
  • form Powder
  • color off-white
  • Specific Gravity4.740
  • Water Solubility Decomposes in water forming tantalum oxyfluoride. Soluble in conc. and fuming HNO{3}Soluble in carbon disulfide, carbon tetrachloride and chloroform. Slightly soluble in acetic acid and ethanol.
  • Sensitive Moisture Sensitive
  • Hydrolytic Sensitivity7: reacts slowly with moisture/water
  • Merck 14,9055
  • CAS DataBase Reference7783-71-3(CAS DataBase Reference)
  • EPA Substance Registry SystemTantalum fluoride (TaF5) (7783-71-3)
Safety Information
  • Hazard Codes C
  • Risk Statements 34
  • Safety Statements 26-27-28-36/37/39-45
  • RIDADR UN 3260 8/PG 2
  • WGK Germany 3
  • RTECS WW5775000
  • Hazard Note Corrosive
  • TSCA Yes
  • HazardClass 8
  • PackingGroup II
MSDS
TANTALUM PENTAFLUORIDE Usage And Synthesis
  • Chemical Propertieswhite crystalline powder
  • UsesFriedel-Crafts catalyst.
  • UsesTantalum fluoride is a catalyst used to speed up organic chemical reactions.
  • UsesTantalum pentafluoride, TaF5, is used in petrochemistry as an isomerization and alkyalation catalyst. In addition, the fluoride can be utilized as a fluorination catalyst for the production of fluorinated hydrocarbons. The pentafluoride is produced by the direct fluorination of tantalum metal or by reacting anhydrous hydrogen fluoride with the corresponding pentoxide or oxychloride in the presence of a suitable dehydrating agent. The ability of TaF5 to act as a fluoride ion acceptor in anhydrous HF has been used in the preparation of salts of the AsH4, H3S, and PH4 ions. The oxyfluorides TaOF3 and TaO2F do not find any industrial application.
  • Safety ProfilePoison by intravenous route. Corrosive. When heated to decomposition it emits toxic fumes of F-. See also TANTALUM and FLUORIDES.
TANTALUM PENTAFLUORIDE Preparation Products And Raw materials
TANTALUM PENTAFLUORIDE(7783-71-3)Related Product Information
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