Fluoroantimonic Acid Properties, Molecular Formula, Applications - WorldOfChemicals

Fluoroantimonic Acid Properties

Fluoroantimonic Acid

Molecule 3D Structure Image
Molecule Structure Image



Fluoroantimonic acid is a mixture of hydrogen fluoride and antimony pentafluoride in various ratios. The 1:1 combination forms the strongest known superacid, which has been demonstrated to protonate even hydrocarbons to afford carbocations and H2.

Chemical Properties

Acidity -25
Appearance Colourless Liquid
Basicity 39
CAS Number 16950-06-4
Class 8
Density 2.885 g/ml
EINECS Number 241-023-8
IUPAC Name Hexafluoroantimony; hydron
InChI 1S/6FH.Sb/h6*1H;/q;;;;;;+5/p-5
Melting Point 20°C
Molar Mass 236.76 g/mol
Molecular Formula SbHF6
NFPA 704 H-4,F-0,R-3,C-W
PG 2
Synonyms Antimonate(1-),Hexafluoro-, Hydrogen, (OC-6-11)-;Antimonate(1-),Hexafluoro-, Hydrogen;Fluoroantimonic(V) Acid;Hydrogen Hexafluoroantimonate(V);Fluoroantimonic Acid;Hexafluoroantimonic Acid;Hexafluorostibonic Acid;Hydrogen Hexafluoroantimonate;Hydrogenhexafluoroantimonate(1-);Monohydrogen Hexafluoroantimonate
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