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Cuprous Oxide
Introduction
Cuprous Oxide is mainly used as a material for an anti-fouling paint for ship bottoms, and even as a material for catalysts and electronic parts.
Either a standard grade or a special grade is available according to usage.
Properties
-
Isometric system red micropowder
- Molecular weight 143.08
- Specific gravity 5.9-6.0
- Oil absorption about 10-15
- Melting point 1235°C
- Boiling point (decomposed) 1800°C
- Insoluble in water and alcohol. Soluble in hydrochloric acid, nitric acid, ammonium chloride, and aqueous ammonia.
Specifications, Standard grade
| Grade |
Total Copper
as Cu
(min.%) |
Cuprous Oxide as Cu2O
(min.%) |
Metallic copper as Cu (max.%) |
Sieved
residue
45µm
(max.%) |
Soluble
Chlorides
(max.%) |
Characteristics |
| NC-301 |
86.0 |
96.0 |
0.25 |
0.50 |
0.10 |
Red micropowder |
Specifications, Special grade
| Grade |
Total Copper
as Cu
(min.%) |
Cuprous Oxide as Cu2O
(min.%) |
Metallic copper as Cu (max.%) |
Sieved
residue
45µm
(max.%) |
Soluble
Chlorides
(max.%) |
Characteristics |
| NC-102 |
86.5 |
97.0 |
- |
0.20 |
0.10 |
Yellow/ Fine particles |
| NC-801 |
85.0 |
95.0 |
0.50 |
0.50 |
0.10 |
Reddish purple/ Medium size particles |
Particle size distribution (typical value)

Related regulations
- Law Concerning the Examination and Regulation
of Manufacture, etc., of Chemicals No. 1-297
- CAS No. 1317-39-1
Usage
- Anti-fouling paint for ship bottoms
- Anti-fouling paint for fishing nets
- Catalysts
- Copper alloys
- Coloring agent for glass, china, porcelain, and enamelware etc.
- Chemical analysis reagents
- Materials for electronic parts
- Agriculture chemicals
Containers
-
Paper bag (NET25kg)
- Container bag
Attention
Please read through MSDS before use.
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