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                Hello, Welcome to Shanghai Daiyuan Fine Chemical Co., Ltd.!

                Cupric salts

                Cupric Oxide

                Product name: Cupric Oxide

                CAS No.: 1317-38-0

                Molecular Formula:

                CuO

                Molecular Weight: 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.

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