Cobalt(II) sulfate

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Cobalt(II) sulfate

Cobalt(II) sulfate, also known as cobaltous sulfate, is a chemical compound. Its chemical formula is CoSO4. It contains cobalt in its +2 oxidation state. It contains cobalt and sulfate ions.

Properties[change | edit source]

It is a reddish crystalline solid. It dissolves easily in water. It is reddish without water (anhydrous) and pink with water (hydrated).

Preparation[change | edit source]

It can be made by reacting cobalt, cobalt(II) oxide, or cobalt(II) hydroxide with sulfuric acid. It is very rarely found in the earth.

Uses[change | edit source]

It is used as a pigment. It is also used to make other cobalt salts. It can be used in electroplating cobalt. It was added to beer in the past but that poisoned people.

Safety[change | edit source]

Cobalt(II) sulfate is slightly carcinogenic. It is poisonous in large quantities.

Related pages[change | edit source]