Large granular dark blue crystals or blue granular crystalline powder, slightly transparent. Toxic, odorless, with a metallic astringency.

Feed industry for the manufacture of other inorganic salts such as cuprous chloride, copper chloride, pyrophosphate copper, cuprous oxide, copper acetate, copper carbonate. Dyes and pigments industry for the manufacture of copper-containing azo dyes, such as single-Reactive Brilliant Blue, purple and other activity. Synthetic organic industry as a catalyst for spices and dyes intermediates, methyl methacrylate inhibitor. Paint industry for the production of anti-fouling paint fungicides. Electroplating industry as a whole bright acid copper salts and copper ions the main additive. Printing and dyeing and finishing industry as a mordant dyeing agent of the help of oxygen. Agriculture as a fungicide.