Tags: Chemical Compound, Chemical Substance.
Copper(II) nitrate Cu(NO3)2 is an inorganic compound that forms a blue crystalline solid. Anhydrous copper nitrate forms deep blue-green crystals and sublimes in a vacuum at 150-200 °C. Copper nitrate also occurs as five different hydrates the most common ones being the trihydrate and hexahydrate. These materials are more commonly encountered in commerce than in the laboratory.