ZnNO32

ZnNO32 is not a standard chemical formula. It most likely refers to zinc nitrate, with the correct formula Zn(NO3)2, a soluble inorganic salt used widely in chemistry. Zinc nitrate is typically encountered as anhydrous Zn(NO3)2 or as hydrates, such as Zn(NO3)2·6H2O, and can be prepared by reacting zinc-containing materials (for example, zinc oxide or zinc metal) with nitric acid.

In aqueous solution, zinc nitrate dissociates to Zn2+ and NO3− ions, giving rise to characteristic zinc ion chemistry in solution. The anhydrous solid is a white crystalline substance that is highly soluble in water and moderately soluble in certain organic solvents; the hexahydrate form is common for solid storage and handling. Upon heating, zinc nitrate decomposes to yield zinc oxide and nitrogen oxides, releasing oxygen in the process.

Applications of zinc nitrate include use as a zinc source in chemical synthesis, as a nitrate precursor for preparing zinc oxide by calcination, and as a reagent in various laboratory procedures. It is also employed as an oxidizing source in certain organic reactions and, in some industrial contexts, as a component in plating or catalytic processes.

Safety considerations are important: zinc nitrate is an oxidizer and can intensify fires when in contact with combustible materials. It can cause irritation to skin, eyes, and the respiratory tract upon contact or inhalation. Proper handling includes wearing appropriate PPE, using it in a well-ventilated area, and storing it in a cool, dry place away from incompatible substances.

See also: zinc nitrate, zinc oxide.