Inoxia Chemical Supplies

Copper carbonate is often used as a blue flame colorant, and is reported to be the best copper compound to use with ammonium perchlorate. It is water insoluble, but can be dissolved in acids.

Particle size: ~150 mesh (<75µ)
Colour: Pale green
Odour: Odourless
Solvent: Acid
Formula: CuCO₃.Cu(OH)₂
Impurities: <1.5% (Fe, Pb, Zn, Na, SiO₂, moisture)