Copper (II) oxide
Copper (II) oxide is commonly used as a blue flame colorant, and has also been used in dragon�s eggs, and also ignition compositions with silicon and lead (IV) oxide. Purity: 98.5% Particle size: ~300 mesh (<54�) Colour: Black Odour: Odourless Impurities: Fe (0.01%), Pb (0.05%), Zn (0.05%), Na (0.3%), SiO2 (0.3%), Moisture (0.2%), all maximums.
Copper oxide is a black powder employed in blue color compositions in combination with chlorine donors.
Copper(II)oxide is poisonous and should be handled wearing a dust mask
Hazards: