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Copper Carbonate is a water-insoluble chemical created when copper loses electrons from its outer shell. Also known as copper (II) carbonate, carbonic acid, and copper monocarbonate, it is quickly converted to copper salts when exposed to dilute acids. USP ingredient supplier Bell Chem’s customers use this substance in jewelry metallurgy, wood preservation, fungicides, pesticides, and fertilizers. Copper carbonate can also be found in artist’s palettes, with hues such as verditer and mountain green creating beautiful colors.
When dry, copper carbonate is powdery with a blue-green color. It is insoluble in water and can be easily converted to other copper compounds such as the oxide by heating (calcination). When exposed to dilute acids, it gives off carbon dioxide.
It is not soluble in hydrochloric acid, but can be dissolved in dilute sulfuric acid to form copper(II) sulfate, which can then be converted to copper metal by adding aluminum. It is also thermally decomposed at air pressure to yield rhombohedral copper(II) oxide and copper(II) carbonate, which is known as malachite.
Unlike most other metals, copper ii carbonate is insoluble in cold water. It only becomes soluble in boiling water when it is heated. It is important to keep this in mind when using this substance, as it will likely react with hot solutions and produce unwanted byproducts. For this reason, it is recommended to use a small amount in a well-ventilated area with a crucible and glass or ceramic ware. This will allow it to be more controlled in its reaction with other substances and reduce the likelihood of contamination from other chemicals or contaminants such as hydrochloric acid.