Zinc Nitrate Hexahydrate is a chemical compound with the formula Zn(NO3)2.6H2O. It is a white crystalline solid that is highly soluble in water and commonly used as a source of zinc and nitrate ions in various industrial and laboratory applications.

The compound is formed by the reaction of zinc oxide or zinc metal with nitric acid, resulting in the formation of zinc nitrate and water. The hexahydrate form of the compound contains six water molecules per zinc nitrate molecule, making it a hydrated salt.

Zinc Nitrate Hexahydrate is commonly used as a mordant in textile dyeing processes and as a component in the manufacture of other zinc-containing compounds. It is also used in the production of catalysts, fertilizers, and as a corrosion inhibitor in industrial processes. In the laboratory, it is often used as a reagent in various chemical reactions and as a source of zinc ions in cell culture media.

The compound has a molar mass of 297.49 g/mol and its crystal structure belongs to the monoclinic crystal system. Its melting point is 36.4 °C, and it decomposes at around 70 °C. It is also classified as an oxidizing agent and can react vigorously with combustible materials, making it important to handle with care.