Bifluoride

Bifluoride

Names
Other names Hydrogen(difluoride) anion Bifluoride anion Hydrogen difluoride anion
Identifiers
CAS Number	18130-74-0 Y
3D model (JSmol)	Interactive image
ChemSpider	35308425 N
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). N verify (what is YN ?) 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.