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Specifications


CAS No.:1317-38-0 Molecular formula: CuO
Molecular weight: 79.54
Density: 6.3-6.9g/cm3   
Properties:
black powder,soluble in diluted acid,ammonium chloride,ammounium carbonate
and potassium cyanide solution,insoluble in water and alcohol.Slowly dissolve in
ammonia liquid.
Specification
Packing : 1. It comes in an iron drum, net weight 30 Kg or 50kg.
2. It comes in a woven bag lined with aluminum foil, net weight 25kg.
Transportation :                            
This goods should be stored in a dry and ventilated warehouse. It must not be stored
with oxide agents. Container must be sealed up to prevent air contact. It must not be
shipped and stored with strong acids and alkalis. In case of catching fire, use tap water
to put out.
Use:
Mainly used in magnetic materials,glass and colorant;also used to produce dyes,catalyst,crease-proofing of paints,fireworks.
Cupric oxide (Electroplate grade)  
 

Item   Level  
CuO   98.50%min  
Total copper   78.70%min  
Cu2O   0.20%max  
Fe   0.02max  
Pb   0.02%max  
Zn   0.02%max  
Chloride as Cl   0.01%max  
Total hydrochloric acid Insoluble residue   0.20%max  
Volatile   0.20%max  
Particle size (200 mesh)   0  
Dissolving speed   < 1 minute  
Cupric oxide (Industrial grade)  
Item   Level  
CuO   98.00%min  
Total copper   78.2%min  
Total hydrochloric acid Insoluble residue   0.20%max  
Water liquefiable   0.20%max  
Chloride as Cl   0.20%max  
Sulphate as SO4 0.20%max  
Particle size (100 mesh)   1.00%max  
Copper Sulfate Pentahydrate Cu-10  
Items Guaranteed Specification Typical Analysis
CuSO4. 5H2O 99%Min 99.36%
Cu 25.2%  25.3%
Water insoluble 0.005% Max.  0.002%
Ph value 3.5 – 4.5  3.95
Cl 10 ppm Max.  5 ppm
Ni 5 ppm Max.  2 ppm
Cd 3 ppm Max.  2 ppm
Pb 10 ppm Max.  5 ppm
Fe 10 ppm Max.  7 ppm
Ca 5 ppm Max.  3 ppm
Zn 10 ppm Max.   5 ppm
Co 10 ppm Max.  1 ppm
As 5 ppm Max.