What is Cobalt(II) sulfate?
[[File:Cobaltsulfat.JPG|thumb|Cobalt(II) sulfate]] '''Cobalt(II) sulfate''', also known as '''cobaltous sulfate''', is a [[chemical compound]]. Its chemical formula is CoSO<sub>4</sub>. It contains [[cobalt]] in its +2 [[oxidation state]]. It contains cobalt and [[sulfate]] [[ion]]s. == 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 [[salt]]s. 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 [[carcinogen]]ic. It is poisonous in large quantities. == Related pages == *[[Cobalt(II) chloride]] *[[Cobalt(III) oxide]] [[Category:Sulfur compounds]] [[Category:Cobalt compounds]]