ChemicalBook Product Catalog Inorganic chemistry Inorganic salts Metal halide and Halogen salt Metal fluoride and salt TANTALUM PENTAFLUORIDE

TANTALUM PENTAFLUORIDE

TANTALUM PENTAFLUORIDE Basic information
Product Name:TANTALUM PENTAFLUORIDE
Synonyms:TaF5;Tantalum fluoride (TaF5);tantalumfluoride(taf5);TANTALUM PENTAFLUORIDE;TANTALUM(V) FLUORIDE;TANTALUM FLUORIDE;TANTALUM (V) FLUORIDE 99.5%;TANTALUM(V) FLUORIDE 99%
CAS:7783-71-3
MF:F5Ta
MW:275.94
EINECS:232-022-3
Product Categories:Tantalum Salts;Catalysis and Inorganic Chemistry;Chemical Synthesis;Salts;TantalumMetal and Ceramic Science;metal halide
Mol File:7783-71-3.mol
TANTALUM PENTAFLUORIDE Structure
TANTALUM PENTAFLUORIDE Chemical Properties
Melting point 96.8 °C
Boiling point 229.5 °C
density 4.74 g/mL at 25 °C(lit.)
Fp 230°C
form Powder
Specific Gravity4.740
color off-white
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
Exposure limitsACGIH: TWA 2.5 mg/m3
NIOSH: IDLH 250 mg/m3
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
HS Code 2826199090
MSDS Information
ProviderLanguage
SigmaAldrich English
ALFA English
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
Raw materialsCARBON DIOXIDE-->Hydrogen fluoride-->Fluorine-->Tantalum-->Tantalum(V) chloride
TANTALUM TRIS(DIETHYLAMIDO)-TERT-BUTYLIMIDE t-Amylimidotris(dimethylamido)tantalum(V) TAIMATA PENTAKIS(DIMETHYLAMINO)TANTALUM TANTALUM SILICIDE Tantalum pentoxide Pentamethylcyclopentadienyltantalum tetrachloride TANTALUM(V) TETRAETHOXIDE 2,4-PENTANEDIONATE Tantalum Tantalum(V) chloride TANTALUM (V) BROMIDE TANTALUM(V) BUTOXIDE ammonium hexafluorotantalate(5) AMMONIUM HEPTAFLUOROTANTALATE(V) Tantalum(V) fluoride dioxide TANTALUM POTASSIUM FLUORIDE 5G [R] POTASSIUM HEXAFLUOROTANTALATE TANTALUM POTASSIUM FLUORIDE,TANTALUM POTASSIUM FLUORIDE 99% TANTALUM PENTAFLUORIDE
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