Copper Oxide

Industrial Grade · Agricultural Grade — Bulk supply across India & International Markets

What is Copper Oxide?

Copper Oxide refers to two distinct copper oxide compounds: Cupric Oxide (CuO), a black to brownish-black powder where copper is in its +2 oxidation state, and Cuprous Oxide (Cu2O), a reddish powder where copper is in its +1 oxidation state. Both forms are valued across diverse industrial applications including ceramics, glass manufacturing, agriculture, and animal nutrition, owing to copper's unique catalytic, colouring, and biological properties.

Polychem Industries supplies Copper Oxide in industrial and agricultural grades to ceramic and glass manufacturers, agrochemical formulators, and animal feed companies across India and internationally. Copper's essential role as a plant and animal micronutrient, combined with its valuable colouring and catalytic properties in industrial applications, makes Copper Oxide a versatile raw material across multiple sectors.

Available Grades

GradeFormPurityStandardApplications
Industrial GradeBlack to brownish-black powder98%+ (Industrial / Agricultural Grade)IndustrialCeramics, glass, pigments, catalysts, electronics
Agricultural GradePowder97%+Agricultural / FeedFungicides, animal feed micronutrient supplement

Applications & Uses

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Ceramics & Glass Colouring

Widely used as a colouring agent in ceramic glazes and glass manufacturing, producing characteristic blue, green, or red colours depending on the specific copper oxide form, firing conditions, and glaze chemistry used.

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Agricultural Fungicides

Used as an active ingredient in copper-based fungicide formulations for crop protection, providing effective control of various fungal diseases in fruit, vegetable, and field crop production.

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Animal Feed Micronutrient

Agricultural Grade Copper Oxide is used as a copper supplement in animal feed formulations, providing this essential trace mineral required for various metabolic and enzymatic functions in livestock and poultry.

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Electronics & Semiconductors

Used in certain electronic and semiconductor applications taking advantage of copper oxide's specific electrical and catalytic properties in specialised material science applications.

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Battery & Catalyst Applications

Used in certain battery chemistry formulations and as a catalyst or catalyst precursor in various industrial chemical processes requiring copper's specific catalytic activity.

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Wood Preservation & Antifouling

Used as a component in certain wood preservative formulations and marine antifouling paints, taking advantage of copper's biocidal properties against fungal decay and marine organism attachment.

Technical Specifications

Copper Oxide — Key Properties

Chemical FormulaCuO (Cupric Oxide) / Cu2O (Cuprous Oxide)
CAS Number1317-38-0 (CuO) / 1317-39-1 (Cu2O)
Molecular Weight79.55 g/mol (CuO) / 143.09 g/mol (Cu2O)
AppearanceBlack to brownish-black powder (CuO) / reddish powder (Cu2O)
Purity98%+ (Industrial / Agricultural Grade)
Melting Point1326°C (CuO)
Density / Bulk Density6.3–6.4 g/cm3 (CuO)
pHNot applicable (insoluble in water)
Packaging Available25 kg bags
StorageStore in cool, dry place away from moisture. Chemically stable in normal storage conditions.

Why Source Copper Oxide from Polychem Industries?

  • Industrial Grade and Agricultural Grade available
  • Both Cupric Oxide (CuO) and Cuprous Oxide (Cu2O) forms available on request
  • Certificate of Analysis available on request
  • Reliable bulk supply for ceramics, agriculture and feed manufacturers
  • Competitive pricing with consistent year-round availability
  • Export documentation experience for international shipments

Frequently Asked Questions

What is the difference between Cupric Oxide (CuO) and Cuprous Oxide (Cu2O)?
Cupric Oxide (CuO) contains copper in its +2 oxidation state and is a black to brownish-black powder, the more common and stable form under normal atmospheric conditions. Cuprous Oxide (Cu2O) contains copper in its +1 oxidation state and is a reddish powder, used in somewhat different applications including certain antifouling paint formulations and specific semiconductor applications. The two forms have distinct colour properties and chemical reactivity.
Why is Copper Oxide used in animal feed?
Copper is an essential trace mineral required by livestock and poultry for proper enzyme function, immune system support, and various metabolic processes including iron metabolism and connective tissue formation. Agricultural Grade Copper Oxide provides a cost-effective source of supplemental copper in animal feed formulations to prevent deficiency and support animal health and productivity.
How is Copper Oxide used in fungicide formulations?
Copper-based fungicides, including those using copper oxide compounds, work by releasing copper ions that disrupt fungal cell membrane function and enzymatic processes, providing protective fungicidal action when applied to plant surfaces. These have been used in agriculture for over a century and remain important tools in integrated disease management programmes for various crops.
Do you export Copper Oxide outside India?
Yes. We export to Bangladesh, Sri Lanka, Nepal, Bhutan, and South Africa with full export documentation. Contact us for export pricing and lead times.

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