Bifluoride

Bifluoride
Names
	Other names Hydrogen(difluoride) anion; Bifluoride anion; Hydrogen difluoride anion
Identifiers
CAS Number	18130-74-0 ;
3D model (JSmol)	Interactive image;
ChemSpider	35308425 ;
CompTox Dashboard (EPA)	DTXSID70274195 ;
	InChI InChI=1S/F2H/c1-3-2/q-1 Key: LJRMFMQHZAVYNS-UHFFFAOYSA-N;
	SMILES F[H][F-];
Properties
Chemical formula	[HF2]−
Molar mass	39.005 g·mol−1
Conjugate acid	Hydrogen fluoride
Conjugate base	Fluoride
	Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). verify (what is ?) Infobox references

The bifluoride ion is an inorganic anion with the chemical formula [HF₂]⁻. The anion is colorless. Salts of bifluoride are commonly encountered in the reactions of fluoride salts with hydrofluoric acid. The commercial production of fluorine involves electrolysis of bifluoride salts.

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