kobolttiIIsulfaatti

Koboltti(II)sulfaatti, also known as cobalt(II) sulfate, is an inorganic compound with the chemical formula CoSO4. It exists in various hydrated forms, with the most common being cobalt(II) sulfate heptahydrate (CoSO4·7H2O), which is a red crystalline solid. Other hydrates, such as the monohydrate and hexahydrate, also exist.

The anhydrous form of cobalt(II) sulfate is a pale pink solid. It is soluble in water, and its aqueous solutions are typically pink. Cobalt(II) sulfate is typically prepared by reacting cobalt(II) oxide, cobalt(II) hydroxide, or cobalt(II) carbonate with sulfuric acid. The reaction with cobalt(II) oxide is: CoO + H2SO4 → CoSO4 + H2O.

Cobalt(II) sulfate finds applications in several industries. It is used in the production of pigments, particularly blue pigments for ceramics and glass. It also serves as an additive in animal feed to provide essential cobalt for livestock, as cobalt is a component of vitamin B12. In electroplating, it is used in cobalt plating baths. Furthermore, cobalt(II) sulfate is employed as a catalyst in various chemical reactions. Its toxicity necessitates careful handling and disposal.