Cobalt oxide

　　 Molecular formula：Co₂O₃
　　　Molecular weight: 165.88
　　　Property：gray black powder; density: 5.18g/cm3; insoluble in water, alcohol, ammonia water, soluble in acid and hydrate solution.

Index name	Special grade	chemically pure(CP grade)
Content (Co) % ≥	74	7２
Iron (Fe)% ≤	0.1	0.1
Manganese (Mn)% ≤	0.1	0.1
Copper(Cu)% ≤	0.05	0.05
Zinc (Zn)% ≤	0.05	0.1
Lead (Pb)% ≤	0.006	0.006
Arsenic (As)% ≤	0.005	0.005
Cadmium (Cd)% ≤	0.006	0.006
Nickel (Ni)% ≤	0.05	0.1
Fineness	-320 mesh	-320 mesh

　 Application area: Used in preparing cobalt salts, pigment and ceramic glaze, also used as oxidant, catalyzer and the adhesive agent for glass, ceramic, magnetic material and colorant for some pigments.
　 Packing: 25kg pail