The industrial production of fluorine entails the electrolysis of molten K[HF2] and K[H2F3].[3] The electrolysis of K[HF2] was first used by Henri Moissan in 1886.
^Westrum, Edgar F. Jr.; Pitzer, Kenneth S. (June 1949). "Thermodynamics of the System KHF2-KF-HF, Including Heat Capacities and Entropies of KHF2, and KF. The Nature of the Hydrogen Bond in KHF2". J. Am. Chem. Soc. 71 (6): 1940–1949. doi:10.1021/ja01174a012.
^"Potassium bifluoride". pubchem.ncbi.nlm.nih.gov. Retrieved 27 December 2021.
^ abAigueperse, Jean; Mollard, Paul; Devilliers, Didier; Chemla, Marius; Faron, Robert; Romano, René; Cuer, Jean Pierre (2000). "Fluorine Compounds, Inorganic". Ullmann's Encyclopedia of Industrial Chemistry. Weinheim: Wiley-VCH. doi:10.1002/14356007.a11_307.
December 27, 2022
potassium, bifluoride, inorganic, compound, with, formula, this, colourless, salt, consists, potassium, cation, bifluoride, anion, salt, used, etchant, glass, sodium, bifluoride, related, also, commercial, etchant, well, cleaning, products, namesiupac, name, o. Potassium bifluoride is the inorganic compound with the formula K HF2 This colourless salt consists of the potassium cation K and the bifluoride anion HF2 The salt is used as an etchant for glass Sodium bifluoride is related and is also of commercial use as an etchant as well as in cleaning products 3 Potassium bifluoride NamesIUPAC name Potassium bifluorideOther names Potassium hydrogen difluorideIdentifiersCAS Number 7789 29 9 Y3D model JSmol Interactive imageChemSpider 35308426 YECHA InfoCard 100 029 233EC Number 232 156 2PubChem CID 11829350RTECS number TS6650000UNII 880X05W53M YUN number 1811CompTox Dashboard EPA DTXSID10894159InChI InChI 1S F2H K c1 3 2 q 1 1 NKey FLCWRBFUWAZYGV UHFFFAOYSA N NSMILES H F F K PropertiesChemical formula K HF2 Molar mass 78 103 g molAppearance colourless solidOdor slightly acidicDensity 2 37 g cm3Melting point 238 7 C 461 7 F 511 8 K Boiling point decomposesSolubility in water 24 5 g 100 mL 0 C 30 1 g 100 mL 10 C 39 2 g 100 mL 20 C 114 0 g 100 mL 80 C Solubility soluble in ethanolStructureCrystal structure monoclinicThermochemistryStd molarentropy S 298 45 56 J mol K 1 Std enthalpy offormation DfH 298 417 26 kJ mol K HazardsGHS labelling 2 PictogramsSignal word DangerHazard statements H301 H310 H314Precautionary statements P260 P262 P264 P270 P280 P301 P310 P301 P330 P331 P302 P350 P303 P361 P353 P304 P340 P305 P351 P338 P310 P321 P322 P330 P361 P363 P405 P501Flash point non flammableRelated compoundsOther anions Potassium fluorideOther cations Sodium bifluoride ammonium bifluorideExcept where otherwise noted data are given for materials in their standard state at 25 C 77 F 100 kPa N verify what is Y N Infobox references Contents 1 Synthesis and reactions 2 Applications 3 See also 4 ReferencesSynthesis and reactions EditThe salt was prepared by Edmond Fremy by treating potassium carbonate or potassium hydroxide with hydrofluoric acid 2 HF KOH K HF2 H2OWith one more equivalent of HF K H2F3 CAS 12178 06 2 m p 71 7 C clarification needed is produced HF K HF2 K H2F3 Thermal decomposition of K HF2 gives hydrogen fluoride K HF2 HF KFApplications EditThe industrial production of fluorine entails the electrolysis of molten K HF2 and K H2F3 3 The electrolysis of K HF2 was first used by Henri Moissan in 1886 See also EditAmmonium bifluoride Bifluoride anionReferences Edit Westrum Edgar F Jr Pitzer Kenneth S June 1949 Thermodynamics of the System KHF2 KF HF Including Heat Capacities and Entropies of KHF2 and KF The Nature of the Hydrogen Bond in KHF2 J Am Chem Soc 71 6 1940 1949 doi 10 1021 ja01174a012 Potassium bifluoride pubchem ncbi nlm nih gov Retrieved 27 December 2021 a b Aigueperse Jean Mollard Paul Devilliers Didier Chemla Marius Faron Robert Romano Rene Cuer Jean Pierre 2000 Fluorine Compounds Inorganic Ullmann s Encyclopedia of Industrial Chemistry Weinheim Wiley VCH doi 10 1002 14356007 a11 307 Retrieved from https en wikipedia org w index php title Potassium bifluoride amp oldid 1129709909, wikipedia, wiki, book, books, library,
