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Cupric Oxide Product name : Cupric Oxide
Product Category:High-purity chemicals & electronic chemicals/Cupric salts;
CAS No.: 1317-38-0
Formula:CuO
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:
Cupric Oxide
A.P.
C.P.
Technical first grade
Technical second grade
Item
Spec.
Spec.
Spec.
Spec.
Assay(CuO) %
≥99.0
≥98.0
≥98.0
≥97.0
Insol. in Hcl %
≤0.02
≤0.05
≤0.2
≤0.2
Chlorides(Cl)%
≤0.003
≤0.005
≤0.10
≤0.10
Sulfur compound(SO4)%
≤0.01
≤0.05
≤0.10
≤0.10
Nitrogen compound(N) %
≤0.002
≤0.005
Carbon compound
≤0.025
≤0.10
Fe%
≤0.01
≤0.04
Cuprous oxide(Cu2O)%
≤0.05
≤0.10
Non-precipitate in sulfureted hydrogen %
≤0.2
≤0.5
Water insoluble%
≤0.10
≤0.10
Fineness(100-mesh sieve residue) %
≤2
≤5
Cupric Oxide
Export AR grade
Electro-plating Cupric Oxide
Electronic grade
Air bag grade
Item
Spec.
Spec.
Spec.
Spec.
Assay(CuO) %
≥98.0
≥98.5
≥98
≥98
Insol. in Hcl %
≤0.02
≤0.01
≤0.10
≤0.2
Chlorides(Cl) %
≤0.005
≤0.06
≤0.08
Moisture≤0.3
Sulfur compound(SO4)%
≤0.02
≤0.01
≤0.08
PH5.5-7.5
Zn%
≤0.02
Pb%
≤0.02
≤0.01
≤0.010
Fe%
≤0.05
≤0.05
Cd%
≤0.0005
Hg%
≤0.0002
C%
≤0.05
N%
≤0.005
As%
≤0.0002
Ca%
≤0.02
Cuprous oxide(Cu2O)%
≤0.05
≤0.2
K%
≤0.02
Na%
≤0.02
Sexavalence Cr %
≤0.0002
Water insoluble%
≤0.05
≤0.10
≤0.10
D501.5
Fineness(125-mesh sieve residue) %
≤0.1
325-mesh sieve residue≤0.3
100 meshes ≤2

Product Usage: It is used for firework, bactericides, glass, artificial rain materials, ceramics, catalyst, rayon etc.
Packaging:In 25Kg/woven bag lined with double-layer plastic bag or iron drum, closed tightly.
Storage Precautions:stored in dry and draughty warehouse, prevent dampness; isolated from strong acids or food; fight fire with water.
MSDS: Download
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