Copper Carbonate
( Cupric Carbonate Basic )
chemical formula: CuCO3-Cu(OH)2
( fine powder )
Copper Carbonate has been used for many years as an effective algaecide in farm ponds and in aquaculture operations. It's also sometimes used as seed fungicide, and to manufacture other Copper compounds. In pyrotechnics, Copper Carbonate is used to produce a blue color in flames.
MSDS ( Material Safety Data Sheet )