Topic summary

Bifluoride

Bifluoride

Names Other names

Hydrogen(difluoride) anion
Bifluoride anion
Hydrogen difluoride anion

Identifiers

18130-74-0

3D model (JSmol)

Interactive image

35308425

CompTox Dashboard(EPA)

DTXSID70274195

InChI=1S/F2H/c1-3-2/q-1
Key: LJRMFMQHZAVYNS-UHFFFAOYSA-N

F[H][F-]

Properties

Chemical formula

[HF₂]Molar mass39.005 g·mol 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 ( ?)

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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