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Cobalt(II) chloride

Cobalt(II) chloride is an inorganic compound of cobalt and chlorine, with the formula CoCl. It is usually supplied as the hexahydrate CoCl•6HO, which is one of the most commonly used cobalt compounds in the lab.

The hexahydrate is deep purple in color, whereas the anhydrous form is sky blue. A blend would be mauve. Because of the ease of the hydration/dehydration reaction, and the resulting color change, cobalt chloride is used as an indicator for water in desiccants.

Niche uses of cobalt chloride include its role in organic synthesis and electroplating objects with cobalt metal.

Cobalt chloride has been classified as a Substance of very high concern by the European Chemicals Agency as it is a suspected carcinogen.

Usage examples of "cobalt chloride".

Processed oleander leaves, oil of peppermint, charcoal, cobalt chloride, zinc oxide- Weariness overcame him.

The cobalt chloride would do it, very slowly and agonizingly, unless the digitalis managed it first.