Nomenclature
CAS number: 1314-06-3
Nickelic oxide; black nickel oxide.
Ni
2O
3; mol wt 165.39.
Ni 70.98%, O 29.02%.
Description and references
Contains a variable quantity of water.
Properties
Gray-black powder. Dec at ≈600° into NiO and
oxygen. Insol in water; very slightly sol in cold acid; dissolved
by hot HCl with evolution of Cl, and by hot H2SO4 or HNO3 with evolution of oxygen.