Cobalt(III) fluoride

Cobalt(III) fluoride is the inorganic compound with the formula CoF3. Hydrates are also known. The anhydrous compound is a hygroscopic brown solid. It is used to synthesize organofluorine compounds.

Cobalt(III) fluoride
Names
Other names
Cobalt trifluoride
Cobaltic fluoride
Cobalt fluoride
Cobaltic trifluoride
Identifiers
3D model (JSmol)
ChemSpider
ECHA InfoCard 100.030.045
EC Number
  • 233-062-4
UNII
  • InChI=1S/Co.3FH/h;3*1H/q+3;;;/p-3 Y
    Key: WZJQNLGQTOCWDS-UHFFFAOYSA-K Y
  • InChI=1/Co.3FH/h;3*1H/q+3;;;/p-3
    Key: WZJQNLGQTOCWDS-DFZHHIFOAL
  • F[Co](F)F
Properties
CoF3
Molar mass 115.928 g/mol
Appearance brown powder
Density 3.88 g/cm3
Melting point 927 °C (1,701 °F; 1,200 K)
reacts
+1900.0·10−6 cm3/mol
Structure
hexagonal
Hazards
NFPA 704 (fire diamond)
3
0
2
Related compounds
Other anions
 cobalt(III) oxide, cobalt(III) chloride
Other cations
 iron(III) fluoride, rhodium(III) fluoride
Related compounds
 cobalt(II) 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 related cobalt(III) chloride is also known but is extremely unstable. Cobalt(III) bromide and cobalt(III) iodide have not been synthesized.

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