Chemical name: Copper oxide
CAS: 1317-38-0
MF: CuO
MW: 79.55
Melting point: 1326°C
Density: 6.3-6.9 g/cm3
Standard: GB/T 26046-2010
Property: Copper oxide is black or brownish black powder. Copper oxide is insoluble in water and ethyl alcohol; soluble in acid, ammonium chloride and edit potassium cyanide solution. Copper oxide can dissolve slowly in ammonia solution and react with strong alkali.
| Items | Specifications |
| Appearance | Black or brownish black powder |
| Purity | ≥98% |
| Cu | ≥78.2% |
| Cl | ≤0.2% |
| SO4 | ≤0.2% |
| Insoluble matter in hydrochloric acid | ≤0.2% |
| Water soluble matter | ≤0.1% |
1. Copper oxide is mainly used as coloring agent of glass, enamel, ceramics and raw material of magnetic materials.
2. It is also used in manufacturing of firework, dyes, catalytic agent, other copper salt, as well as in artificial silk and electronic industry.