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Topic summary

Fluoride

Fluoride
Names IUPAC name
Fluoride
Identifiers
3D model (JSmol)
ChEBI
ChEMBL
ChemSpider
14905 KEGG
MeSHFluoride
UNII
  • InChI=1S/FH/h1H/p-1
    Key: KRHYYFGTRYWZRS-UHFFFAOYSA-M
  • [F-]
Properties F
Molar mass18.998403163 g·mol Conjugate acidHydrogen fluorideThermochemistry 145.58 J/(mol⋅K) (gaseous) −333 kJ/mol Related compounds
Other anions
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).

Fluoride () is an inorganic, monatomicanion of fluorine, with the chemical formulaF
 (also written [F]
), whose salts are typically white or colorless. Fluoride salts typically have distinctive bitter tastes and are odorless. Its salts and minerals are important chemical reagents and industrial chemicals, mainly used in the production of hydrogen fluoride for fluorocarbons. Fluoride is classified as a weak base, since it only partially associates in solution, but concentrated fluoride is corrosive and can attack the skin.

Fluoride is the simplest fluorine anion. In terms of charge and size, the fluoride ion resembles the hydroxide ion. Fluoride ions occur on Earth in several minerals, particularly fluorite, but are present only in trace quantities in bodies of water in nature.

Wikipedia source