Name: Cupric oxide
Synonyms: Copper(II)oxide, copper monoxide, black copper oxide
Formula: CuO
CAS No.: 1317-38-0
MW.: 79.55
Characters: Black or brownish black amorphous crystalline powder, monoclinic crystal, Specific Wt.: 6.315 M.P.: 14460C, insoluble in water and ethanol, soluble in diluted acid, ammonia water, ammonium chloride, sodium hydroxide and potassuim cyanide.
Specifications:
|
Item |
Technical specification |
|
|
Cupric oxide 98% min |
Cupric oxide 97% min |
|
|
Assay(CuO) % |
≥98.0 |
≥97.0 |
|
Insol in Hcl % |
≤0.2 |
≤0.2 |
|
Chlorides(Cl)% |
≤0.10 |
≤0.10 |
|
Sulfur compound(SO4)% |
≤0.10 |
≤0.10 |
|
Water insoluble% |
≤0.10 |
≤0.10 |
|
Fineness(100-mesh sieve residue) % |
≤2 |
≤5 |
Application: Cupric oxide can be used as a pigment, as a fungicide, and as an anti-fouling agent for marine paint. Cupric oxide is also used as a catalyst. However, exposure to this type of copper oxide can be dangerous.
Packing: In 25Kg/woven bag lined with double-layer plastic bag or iron drum, closed tightly.
Storage: Stored in dry and draughty warehouse, prevent dampness; isolated from strong acids or food; fight fire with water.
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Next:Cuprous chloride