Cobalt(II) fluoride

Tetragonal

P42/mnm

A = 469.50 (7 ) pm c = 318.17 (5 ) pm V = 70.10 Å3 Z = 2

, Co = 3 F = 6

Cobalt difluoride

Rose red solid

Fixed

  • 4.43 g · cm -3 at 25 ° C.
  • 2.19 g · cm -3 at 25 ° C ( tetrahydrate)

1200 ° C.

1400 ° C

  • Slightly soluble in water ( 14.15 g / l, 25 ° C)
  • Easily soluble in the heat in mineral acids

Risk

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Cobalt (II ) fluoride is a chemical compound of the cobalt from the group of fluorides.

Production and representation

Cobalt (II ) fluoride can be obtained with hydrofluoric acid by reaction of the cobalt (II ) chloride or cobalt (II) carbonate.

Properties

Cobalt (II ) fluoride is a rose-colored solid which is slightly soluble in water. He has a crystal structure of rutile type and also occurs as a di-, tri-and tetra-hydrate.

Use

Cobalt (II ) fluoride can also be used as a catalyst for the production of perfluorocarbons.

Fluorine Lattice constant Coordination number CAS registry number PubChem Dangerous Substances Directive (67/548/EEC) Cobalt(II) carbonate Digital Object Identifier Cobalt(II) bromide Cobalt(III) fluoride
195265
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