18909-69-8

Usage

Uses

Used in Chemical Synthesis:
Caesium tetrafluoroboroate is used as a reagent in the synthesis of various organic and inorganic compounds. Its ability to act as a Lewis acid and a source of the tetrafluoroborate anion makes it a versatile catalyst and reactant in chemical reactions.
Used in Electrochemistry:
In the field of electrochemistry, caesium tetrafluoroboroate is utilized as an electrolyte in batteries and fuel cells. Its high ionic conductivity and stability contribute to the efficient functioning of these energy storage devices.
Used in Material Science:
Caesium tetrafluoroboroate is employed in the development of advanced materials, such as superionic conductors and solid-state electrolytes. Its unique crystal structure and ionic mobility make it a promising candidate for these applications.
Used in Pharmaceutical Industry:
Caesium tetrafluoroboroate is used as a component in the synthesis of certain pharmaceutical compounds. Its ability to facilitate specific chemical reactions and improve the overall yield of the desired product makes it a valuable asset in drug development.
Used in Analytical Chemistry:
In analytical chemistry, caesium tetrafluoroboroate is used as an ion-pairing agent in the separation and analysis of various compounds. Its ability to form stable complexes with a wide range of analytes enhances the selectivity and sensitivity of analytical techniques, such as chromatography and electrophoresis.
Used in Environmental Applications:
Caesium tetrafluoroboroate is utilized in the treatment of industrial wastewater and contaminated soil. Its ability to selectively remove heavy metals and other toxic substances from the environment makes it an effective tool for environmental remediation.

Upstream product

• 7787-69-1 caesium bromide 
• 69525-31-1 nitrosylchloroborate 
• 15690-63-8 cesium chloride 
• 7637-07-2 boron trifluoride 
• 13400-13-0 cesium fluoride 
• 13709-36-9 xenon difluoride 
• 534-17-8 caesium carbonate 
• 7664-39-3 hydrogen fluoride 
• 7782-41-4 fluorine 

Downstream Products

• 7637-07-2 boron trifluoride 
• 13400-13-0 cesium fluoride 
• 478167-76-9 chlorine pentafluoride 
• 18424-16-3 cesium hexafluoroarsenate 
• 85662-38-0 ClF₆⁽¹⁺⁾*BF₄^(1-)=ClF₆BF₄ 
• 49756-77-6 [XeF₅]⁽¹⁺⁾*[BF₄]^(1-)=[XeF₅][BF₄] 
• 16949-12-5 cesium hexafluoroantimonate 

Relevant academic research and scientific papers

A diazenidoborate: Formation and structure of Cs[(CF3)3BN=NCF3]

Cs[(CF3)3BNH2] reacts with CF3NO to form cesium trans-trifluoromethyldiazenido-tris(trifluoromethyl)borate Cs[(CF3)3BN=NCF3] (2), the structure of which has been investigated by single-crystal X-ray diffraction. The diazene nature of the anion is confirmed by the length of the N=N bond, 1.231(6) ?, and the size of the N-N-B angle, 115.5(4)°the B-N bond length being 1.559(7) ?. Compound 2 is hitherto the first diazenidoborate which has been fully characterized.

Synthesis and Characterization of Water-Soluble, All-Inorganic Composition, Dawson-Type Trisubstituted Heteropolytungstates. Effect of Alkali Metal Countercations (Li, Na, K, and Cs) on the P2W15Nb3O629- Polyoxoanion

The water-soluble form of the Dawson-type trisubstituted tungstoheteropolyanion, B-α-P2W15Nb3 O629-was synthesized as its nona alkali-metal salts of Li, K, and Cs. Analytically pure compounds, obtained as homogeneous colorless solids, had nonahydrate for the nonalithium (Li9) salt, tetrahydrate for the nonasodium (Na9) salt, trihydrate for the nonapotassium (K9) salt and trihydrate for the nonacaesium (Cs9) salt, respectively, after each was dried overnight at room temperature under 10-3 - 10-4 Torr. TG/DTA analyses show that they can be made with 25 water for the Li9 salt, 23 water for the Nag salt, 9 water for the K9 salt, and 8 water for the Cs9 salt under atmospheric conditions. A compositional characterization was accomplished by complete elemental analyses and TG/DTA, and structural characterization was achieved by a combination of FT-IR and variable-temperature solid-state 31PNMR and by both 31P and 183W NMR measurements at room temperature in D2O and DMSO-d6 solutions. The amount of hydrated waters, solubility in solvents and ease of crystallization were significantly influenced by the alkali-metal countercations. These cation-dependent properties are useful for selecting polyoxoanion precursor favorable to the crystallization of P2W15Nb3O629- -supported organometallic complexes. The effects of the cations (Li, K, Na, and Cs) on the P2W15Nb3O629- were observed as different hydrated structures of the polyoxoanion and its cation-dependent thermal stability in the solid state by a combination of TG/DTA and FT-IR measurements, and also as a spectral change of the downfiled 31P signal due to interactions of the polyoxo- anion with the countercations and/or with hydrated waters by variable-temperature (VT) solid-state GHD/MAS 31P NMR spectroscopy.

Synthesis and characterization of the water-soluble, all-inorganic composition, Keggin-type triniobium(V)-substituted SiW9Nb3O407- heteropolyoxoanions with alkali metal countercations (Li+, Na+, K+, and Cs+)

The Keggin-type triniobium(V)-substituted tungstoheteropolyanion, A-β- SiW9Nb3O407-, was synthesized as its hepta alkali-metal salts of Li+, Na+, K+, and Cs+ countercations. These alkali-metal salts were useful for allowing the crystallization of SiW9Nb3O407-, itself, and/or the SiW9Nb3O407--supported organometallic complexes, as well as controlling the water solubility of these complexes. The analytically pure compounds, obtained as homogeneous colorless solids via a stoichiometric reaction of the (Bu4N)6H2Si2W18Nb6O77, (Nb-O-Nb)3-bridged anhydride with the corresponding alkali tetrafluoroborates and then with the alkali hydroxides, were compositionally characterized by complete elemental analyses, TG/DTA and FABMS spectra. They were structurally characterized by FT-IR and solution 183W NMR measurements, as well as solid-state CP/MAS and GHD/MAS 29Si NMR and solution 29Si NMR measurements. The cation-dependent properties of these heteropolytungstates in the solid state were observed in the thermal stabilities, the amounts of hydrated water and adsorbed water, the solubilities in water and in organic solvents, and in the ease of crystallization.

A Radical Chain: Mononuclear “Gold Only” Photocatalysis

We herein report an unprecedented reactivity of mononuclear gold catalysts acting as classical catalysts and at the same time as active partners in a radical chain mechanism, whereby gold is the only catalyst. The mechanism of the photo-induced photosensitizer-free “gold only”-catalyzed cross coupling was studied in detail – experimentally and theoretically – based on the reaction between arylboronic acids and aryldiazonium salts. With a systematic set of stoichiometric experiments under various conditions and analytic methods, we could show that this mechanism is initiated by an aryl radical formed in the presence of blue LEDs and MeOH. This aryl radical enters the catalytic cycle to oxidize gold(I) to gold(II). Single electron transfer from gold(II) to the aryldiazonium salt then gives the cationic gold(III) complex by formation of a chain-supporting aryl radical which then is enabled to start a new cycle by oxidation of gold(I) without the need for irradiation. At least every 432 cycles of the radical chain, a new chain-initiating radical has to restart the radical chain. Eventually, the boronic acid is activated by the BF4? anion to transmetalate to gold(III), and reductive elimination delivers the desired product.

Vapour pressure and standard enthalpy of sublimation of alkali-metal fluoroborates

The temperature dependence of the vapour pressures of solid alkali-metal fluoroborates MBF4 (M = Na, Rb or Cs) were experimentally determined using an improvised transpiration technique. The vapour pressure of NaBF4 could be represen

Fluorinated amino polyhedral borate compounds

This invention provides a compound comprising fluorinated aminoborate monoanion of the formula: [R1R2R3N—BaHbFc]?1??I methods for preparing the same, and uses thereof, where R1, R2, R3, a, b, and c are those defined herein.

Preparation of cyclic ketones

Cyclic ketones, notably cyclopentanone and 2,2-dimethylcyclopentanone, are simply, economically and efficiently prepared, even on an industrial scale, by decarboxylating/cyclizing a dicarboxylic acid, in liquid phase, in the presence of a catalytically effective amount of a metal or compound thereof selected from among boron, aluminum, gallium, indium, thallium, tin, antimony, bismuth, molybdenum, rubidium, cesium and vanadium.

Heat Capacity of CsBF4 at Temperatures from 12 to 320 K

Low-temperature heat capacity of cesium borofluoride was measured by adiabatic calorimetry at temperatures from 12 to 320 K.No anomalies were revealed on the Cp(T) temperature dependence.The thermodynamic functions of CsBF4 were calculated from smoothed heat capacity curves.These functions at 298.15 K are Cp0 = 118.4 J/(mol K), S0 = 184.9 J(mol K), H0(298.15 K) - H0(0 K) = 23780 J/mol, and Φ0 = 105.1 J/(mol K).