... : large granular dark blue granular crystal or crystalline powder blue. Toxic, odorless, with a metallic astringent ... industrial inorganic salts such as chloride, copper chloride, copper pyrophosphate, cuprous oxide, copper acetate, copper carbonate. Industry for the manufacture ... Electroplating industry as the main salt Bright Acid Copper and Copper additives. Dyeing and finishing industry as a ...