Cupric Oxide, Copper Oxide, Tenorite, 1317‑38‑0

Cupric Oxide, Copper Oxide, Tenorite, 1317‑38‑0

Copper(II) Oxide (CuO)

Copper(II) oxide, also known as Cupric oxide or Tenorite, is an inorganic compound of copper and oxygen. It is a black solid widely used in ceramics, glass, catalysts, metallurgy, and electronics.

1️⃣ Chemical Identity

• Chemical Name: Copper(II) Oxide

• Formula: CuO

• Molecular Weight: 79.55 g/mol

• CAS Number: 1317-38-0

• EC Number: 215-269-1

• Appearance: Black crystalline powder

• Crystal Structure: Monoclinic (Tenorite)

• Density: ~6.31 g/cm³

• Melting Point: ~1,320 °C

• Boiling Point: ~2,000 °C

• Solubility: Insoluble in water; soluble in acids and ammonium hydroxide

2️⃣ Physical & Chemical Properties

• Color: Black solid (distinct from red Cu₂O).

• Reactivity: Reacts with acids to form copper(II) salts (e.g., CuCl₂, CuSO₄).

• Thermal Stability: Stable at room temperature; decomposes at very high temperatures.

• Magnetic Properties: Antiferromagnetic below 213 K.

3️⃣ Applications

• Ceramics & Glass:

  • Pigment and colorant (black, blue, green hues).

  • Used in glazes and enamels.

• Catalysis:

  • Catalyst in organic reactions and gas purification.

• Metallurgy:

  • Intermediate in copper refining and alloy production.

• Electronics:

  • Semiconductor applications; thin films for sensors.

• Chemistry:

  • Precursor for other copper compounds.

4️⃣ Synonyms

• Copper Oxide

• Cupric Oxide

• Tenorite

• CuO

5️⃣ Safety & Handling

• Toxicity: Harmful if ingested or inhaled; may cause irritation.

• Precautions: Gloves, goggles, and dust masks recommended.

• Storage: Keep in dry, sealed containers; protect from moisture.

• Waste Disposal: Follow hazardous waste regulations.

Summary: Copper(II) Oxide (CAS 1317-38-0) is a black crystalline compound with ceramic, glass, catalytic, metallurgical, and electronic applications, making it a versatile industrial material.

Quick Facts

• CAS No: 1317‑38‑0

• Chemical Formula: CuO

• Molecular Weight: 79.55 g/mol

• Density: ~6.31 g/cm³

• Melting Point: ~1326 °C

• Packaging Types: 25 kg bags, drums, laboratory bottles

• HS Code: 2825.50 (copper oxides)

Technical Properties

• Appearance: Black crystalline powder

• Solubility: Insoluble in water; soluble in acids

• Crystal Structure: Monoclinic

• Purity Grades: 98–99.9% (industrial and high‑purity grades)

Applications

• Ceramics & Glass: Pigment (black, blue‑green tones), enamels, glazes

• Metallurgy: Precursor for copper salts and alloys

• Catalysis: Used in organic synthesis and petrochemical catalysts

• Electronics: Semiconductor material, superconducting ceramics (e.g., YBCO systems)

• Chemicals: Intermediate for copper‑based compounds

Production Methods / Sources

• Thermal oxidation of copper metal or copper(II) nitrate

• Calcination of copper(II) hydroxide

• Industrial roasting of copper ores

Sector Suitability Table

Other Names

• Cupric oxide

• Copper(II) oxide

• Tenorite (mineral form)

Safety & MSDS Summary

• GHS Pictograms:  Irritant,  Environmentally hazardous

• Storage: Dry, sealed packaging; avoid moisture

• PPE: Gloves, goggles, dust mask/respirator

• Waste: Heavy metal oxide waste; dispose via licensed facilities

Market & Commercial Information

• Purity Grades: 98%, 99%, 99.9%

• Packaging: 25 kg bags, 50 kg drums, 1000 kg IBCs

• Producer Regions: China, India, Europe, USA

• Trade Names: CuO, Tenorite

 Quality & Analytical Data

• Tests: ICP‑OES (trace metals), XRD (phase analysis), BET (surface area), particle size distribution

• Forms: Powder, nanopowder, granules

Environmental & Sustainability Aspects

• Waste Management: Heavy metal oxide; requires controlled disposal

• Recycling: Recoverable from copper scrap and spent catalysts

• Carbon Footprint: Moderate; depends on copper mining and refining