It is a white or transparent solid with a melting point a 636 °C that readily dissolves in water. [12] Contact with acid should be avoided, as this forms highly toxic/corrosive hydrofluoric acid. In the solid state, the compound features platinum(IV) in octahedral coordination geometry. Caesium fluoride can be prepared by the reaction of caesium hydroxide (CsOH) with hydrofluoric acid (HF) and the resulting salt can then be purified by recrystallization. 99.9 % SPECIFICATION It is a hygroscopic white solid. NACRES NA.22 Molecular weight calculation: 132.90545 + … PURITY min. Solutions of caesium fluoride in THF or DMF attack a wide variety of organosilicon compounds to produce an organosilicon fluoride and a carbanion, which can then react with electrophiles, for example:[9], Like other soluble fluorides, CsF is moderately toxic. Caesium fluoride or cesium fluoride is an inorganic compound with the formula CsF. 99.9 % CAS-No. CsF is an alternative to tetra-n-butylammonium fluoride (TBAF) and TAS-fluoride (TASF). Adequate ventilation. [11] CsF is commonly used for such reactions. ››Caesium Fluoride molecular weight. Similarly to potassium fluoride, CsF reacts with hexafluoroacetone to form a stable perfluoroalkoxide salt. Molar mass of CsF = 151.9038532 g/mol Convert grams Caesium Fluoride to moles or moles Caesium Fluoride to grams. Sodium bifluoride has a number of applications in industry. CopyCopied, InChI=1S/Cs.FH/h;1H/q+1;/p-1 This white, water-soluble solid is an intermediate in the purification of tantalum from its ores and is the precursor to the metal. The caesium ion (Cs+) and caesium chloride are generally not considered toxic. Caesium fluoride or cesium fluoride is an inorganic compound with the formula CsF and it is a hygroscopic white solid. It is a colorless gas. Caesium carbonate has a high solubility in polar solvents such as water, alcohol and DMF. xH2O. Safety glasses and gloves. Being highly dissociated, CsF is a more reactive source of fluoride than related salts. Several occur as minerals. Reacts explosively with benzene diazonium fluoroborate. The low nucleophilicity of fluoride means it can be a useful base in organic chemistry. Sodium bifluoride is the inorganic compound with the formula NaHF2. It is a versatile base in organic synthesis and can be used in e.g. It is a white water-soluble solid that is used to prepare dense aqueous solutions for use in isopycnic (or "density-gradient") centrifugation. Potassium heptafluorotantalate is an inorganic compound with the formula K2[TaF7]. No predicted properties have been calculated for this compound. Typically, an acidic solution of thallium(I) sulfate is treated with hydrochloric acid to precipitate insoluble thallium(I) chloride. [5], Caesium fluoride has the halite structure, which means that the Cs+ and F− pack in a cubic closest packed array as do Na+ and Cl− in sodium chloride.[3]. MDL number MFCD00010960. [6] CsF reaches a vapor pressure of 1 kilopascal at 825 °C, 10 kPa at 999 °C, and 100 kPa at 1249 °C. Caesium fluoride can be used in organic synthesis as a source of the fluoride anion. 13400-13-0 EC-No. Caesium fluoride can be used in organic synthesis as a source of the fluoride anion. This compound is used in organic synthesis as a base. in polymerization reactions or in brazing fluxes. The reaction is shown below: CsF is more soluble than sodium fluoride or potassium fluoride in organic solvents. This solid crystallizes in the caesium chloride motif. Molecular Weight 151.90 . It is available in its anhydrous form, and if water has been absorbed, it is easy to dry by heating at 100 °C for two hours in vacuo. Caesium bromide or cesium bromide is an ionic compound of caesium and bromine with the chemical formula CsBr. The reaction is shown below: Using the same reaction, another way to create caesium fluoride is to treat caesium carbonate (Cs2CO3) with hydrofluoric acid and again, the resulting salt can then be purified by recrystallization. Its bulk crystals have the cubic CsCl structure, but the structure changes to the rocksalt type in nanometer-thin film grown on mica, LiF, KBr or NaCl substrates. They are all colorless solids. This colourless salt is an intermediate in the isolation of thallium from its ores. Thallium(I) chloride, also known as thallous chloride, is a chemical compound with the formula TlCl. Due to the strength of the Si–F bond, fluoride is useful for desilylation reactions, i.e. Germanium tetrafluoride (GeF4) is a chemical compound of germanium and fluorine. Cesium Fluoride, purity min. [8] CsF gives higher yields in Knoevenagel condensation reactions than KF or NaF.[9]. CopyCopied, XJHCXCQVJFPJIK-UHFFFAOYSA-M EC Number 236-487-3. Sodium bifluoride is non-flammable, hygroscopic, and has a pungent smell. The chemical formula of cesium sulfide is Cs2S. Caesium fluoride can be used in organic synthesis as a source of the fluoride … [F-]. It is formed from the reaction of hydrogen fluoride with phosphorus pentafluoride. Its solubility is higher in organic solvents compared to other carbonates like potassium and sodium carbonates, although it remains quite insoluble in other organic solvents such as toluene, p-xylene, and chlorobenzene. As with other soluble fluorides, CsF is moderately basic, because HF is a weak acid. Cesium fluoride, purum p.a., >=98.0% Cesium fluoride, 99.9% trace metals basis Cesium fluoride, 99.99% trace metals basis Cesium fluoride, BioUltra, >=99.0% (F) Cesium fluoride 99% Synonym: NSC 84270 CAS Number 13400-13-0. Formula for sodium fluoride? Caesium fluoride or cesium fluoride is an inorganic compound with the formula CsF and it is a hygroscopic white solid. Click to predict properties on the Chemicalize site, For medical information relating to Covid-19, please consult the, ACD/Labs Percepta Platform - PhysChem Module, Compounds with the same molecular formula, Search Google for structures with same skeleton. This strong Brønsted acid features a non-coordinating anion, hexafluorophosphate. [Cs+] PubChem Substance ID 24851873. It is a white, water-soluble solid that decomposes upon heating. It is isostructural with potassium salt. Caesium sulfate or cesium sulfate is the inorganic compound and salt with the formula Cs2SO4. Caesium carbonate or cesium carbonate is a white crystalline solid compound. It is a salt of sodium cation (Na+) and bifluoride anion (HF2−). Platinum tetrafluoride is the inorganic compound with the chemical formula PtF4. [13], Except where otherwise noted, data are given for materials in their, "Single-atom electron energy loss spectroscopy of light elements", "Efficient Synthesis of Halomethyl-2,2'-bipyridines: 4,4'-Bis(chloromethyl)-2,2'-bipyridine", https://en.wikipedia.org/w/index.php?title=Caesium_fluoride&oldid=976583063, Pages using collapsible list with both background and text-align in titlestyle, Articles containing unverified chemical infoboxes, Creative Commons Attribution-ShareAlike License, This page was last edited on 3 September 2020, at 19:41. It is the potassium salt of the heptafluorotantalate anion [TaF7]2−. [7], CsF chains with a thickness as small as one or two atoms can be grown inside carbon nanotubes. Except where otherwise noted, data are given for materials in their, "Single-atom electron energy loss spectroscopy of light elements", "Efficient Synthesis of Halomethyl-2,2'-bipyridines: 4,4'-Bis(chloromethyl)-2,2'-bipyridine". The formula for sodium fluoride is NaF. Caesium also has the highest electropositivity of all non-radioactive elements and fluorine has the highest electronegativity of all elements. Caesium fluoride can be used in organic synthesis as a source of the fluoride anion. DANGER: CORROSIVE, POISON, burns skin and eyes, DANGER: POISON, irritates skin, eyes, lungs. cleavage of Si-O bonds in organic synthesis. CopyCopied, CSID:24179, http://www.chemspider.com/Chemical-Structure.24179.html (accessed 05:28, Nov 27, 2020) [10] It will convert electron-deficient aryl chlorides to aryl fluorides (Halex process), although potassium fluoride is more commonly used. It also appears to have applications in energy conversion. 236-487-3 Molecular Formula CsF Product Number 425022 APPLICATION Cesium fluoride is a fluorination agent for halide exchange reactions. Hexafluorophosphoric acid is the inorganic compound with the chemical formula H2FPF6. Caesium has the highest electropositivity of all non-radioactive elements and fluorine has the highest electronegativity of all elements. Caesium also has the highest electropositivity of all non-radioactive elements and fluorine has the highest electronegativity of all elements.
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