M.S. CHEMICALS is providing an optimum quality Cobalt Nitrate.It is an inorganic compound which is used in the preparation of dyes and inks. Cobalt Nitrate is commonly found as hexahydrate which red-brown color salt which is soluble in water. We recommend you to do not swallow as it harmful as well as causes irritation to skin.This product is to be kept in tightly closed container protected agiainst moisture. It appears as red crystals which is odorless