Cadmium nitrate describes any of the related members of a family of inorganic compounds with the general formula Cd(NO3)2·xH2O.According to X-ray crystallography, the tetrahydrate features octahedral Cd2+ centers bound to six oxygen ligands.[8] Cadmium nitrate is used for coloring glass and porcelain[7] and as a flash powder in photography.A red modification of the sulfide is formed under boiling conditions.Many insoluble cadmium salts are obtained by such precipitation reactions.