

share
Copper(Ii) Oxide CAS NO 1344-70-3
Unit Price:
CAS No.:1344-70-3
Grade:Pharmacy Grade
Content:99.0%
Brand:Customizable
Packaging:Customizable
Description
Copper(II) Oxide is a versatile inorganic compound with the chemical formula CuO, widely recognized for its role as a precursor in various industrial and technological processes. This high-purity material is essential for applications demanding consistent quality and reliable performance, from catalysis to electronic materials. Key industries that utilize this product include ceramics, metallurgy, chemical manufacturing, and the production of specialty catalysts and pigments.
Application
- Ceramics and Glass Manufacturing: Used as a colorant to produce blue, green, and black glazes, and to enhance the thermal and electrical properties of specialty glass.
- Catalyst Production: Serves as a critical component and precursor in catalysts for chemical synthesis, exhaust gas treatment, and hydrogen production processes.
- Metallurgy and Alloying: Employed in pyrometallurgical processes for copper recovery and as an additive in welding rod coatings and antifouling paints.
- Electronic Materials: Acts as a starting material for the synthesis of high-temperature superconductors, semiconductors, and varistors.
- Chemical Synthesis: Utilized as an oxidizing agent and a key intermediate in the production of other copper salts and compounds.
- Agricultural and Wood Treatment: Functions as a fungicide and preservative in certain formulations for crop protection and timber.
- Energy Storage: Investigated for use in electrode materials for lithium-ion batteries and supercapacitors.
- Pigments and Dyes: Provides a stable black or brown color in paints, plastics, and coatings.
Basic Information
| Product Name | Copper(II) Oxide |
| CAS No. | 1344-70-3 |
| Molecular Formula | CuO |
| Molecular Weight | 79.55 g/mol |
| Synonyms | Cupric Oxide; Copper Monoxide; Black Copper Oxide; Copper(2+) Oxide; Tenorite (mineral form); Copper Brown; Natural Tenorite; C.I. 77403 |
| EINECS | 215-269-1 |
Quality Control
Our Copper(II) Oxide is manufactured under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is tested against rigorous in-house specifications, which typically include parameters for assay, heavy metal content, and particle size distribution. A Certificate of Analysis (COA) detailing these results is provided with every shipment to guarantee compliance with your technical requirements.
Storage
Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials such as strong reducing agents and acidic conditions. The product is stable under normal storage conditions.
Specification
| Item | Specification |
|---|---|
| Appearance | Black to brownish-black powder |
| Identification (IR/XRD) | Conforms to standard |
| Assay (CuO) | ≥ 99.0% |
| Chloride (Cl) | ≤ 0.01% |
| Sulfate (SO₄) | ≤ 0.02% |
| Iron (Fe) | ≤ 0.01% |
| Lead (Pb) | ≤ 10 ppm |
| Loss on Ignition | ≤ 0.5% |
| Particle Size (D50) | Contact for details |
Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.
Hot Related Products


Selenium Dioxide CAS NO 7446-08-4


Molybdenum(Iv) Oxide CAS NO 18868-43-4


Silver(I) Oxide CAS NO 20667-12-3


Lithium Oxide CAS NO 12057-24-8


Gadolinium Oxide CAS NO 12064-62-9


Manganese (Ii) Oxide CAS NO 1344-43-0


Indium(Iii) Oxide CAS NO 1312-43-2


Hafnium Oxide CAS NO 12055-23-1


Manganese Dioxide CAS NO 1313-13-9


Yttrium Oxide CAS NO 1314-36-9


Tantalum(V) Oxide CAS NO 1314-61-0


Zirconium Dioxide CAS NO 1314-23-4


Vanadium (Iii) Oxide CAS NO 1314-34-7


Palladium(Ii) Oxide CAS NO 1314-08-5


Aluminum Oxide CAS NO 1344-28-1


Calcium Oxide CAS NO 1305-78-8


Molybdenum(Vi) Oxide CAS NO 1313-27-5


Indium Tin Oxide CAS NO 50926-11-9


Manganese (Iii) Oxide CAS NO 1317-34-6


Aluminum Oxide CAS NO 1302-74-5
Why choose US
Trusted Manufacturer
With our own production facilities, we ensure consistent quality, reliable supply, and full traceability.
Rigorous Quality Assurance
Each batch undergoes strict QC, accompanied by COA, MSDS, and full compliance with international standards.
Advanced R&D Expertise
Our in-house lab drives process innovation, new product development, and tailored synthesis solutions.






