English name: Cupric oxide; Copper (II) oxide; Copper monoxide; Black copper oxide
CAS number: 1317-38-0
CuO = 79.54
Level: SP
Content: ≥99.0%
Water soluble matter: ≤0.05%
Total nitrogen: ≤0.002%
Chloride: ≤0.003%
Sulfide: ≤0.02%
Alkalinity (counted by OH-): ≤0.17mmol / 100g
Cuprous oxide: ≤0.05%
Hydrochloric acid insoluble matter: ≤0.02%
Cation: qualified
Properties: Black to brownish black amorphous or crystalline powder. Commodities are still granular, linear and so on. Slightly hygroscopic. Soluble in dilute acid, alkali cyanide or ammonium carbonate solution, slowly soluble in ammonia, almost insoluble in water and ethanol The relative density (d144) is 6.315. Melting point is 1026 ℃. Irritating.
Uses: biochemical research. Carbon is measured in gas analysis. Organic reaction catalyst. Manufacture of rayon and other copper compounds. Optical glass luminous agent. Used as a coloring material in artificial gems, colored glass, and ceramic glazes.
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