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

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

 Related pages 
Cobalt(II) chloride
Cobalt(III) oxide

Category:Sulfur compounds
Category:Cobalt compounds