Used as analytical reagents, catalysts, driers, paint desiccant, ammonia absorbent, neutral dye, drying indicator, feed additive paint desiccant, ammonia absorbent, neutral dye, drying indicator, feed additive, as an antidote for catalyst raw materials, cyanide poisoning, production of sodium cobalt hexa nitrite and as an agent for analytical determination of potassium. Also used in the ceramic industry as a coloring agent, paint catalysing agent and raw materials for the manufacture of cobalt naphthenate , Used for electroplating cobalt, battery, cobalt pigment, ceramic, enamel, glaze and as catalyst, foam stabilizer, drier,