Copper(II)Oxide
Copper(II)Oxide
CAS No. :1317-38-0

Product: Cupric Oxide

CAS No.: 1317-38-0 

Formula: CuO 

MW: 79.55 

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(CI)%

≤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

≥98.0

≥98.0

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

Application: 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.

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