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