1.02769

Copper(II) oxide

Technipur^®

• Synonym(s): Copper monoxide, Copper oxide, Cupric oxide
• Empirical Formula (Hill Notation): CuO
• CAS Number: 1317-38-0
• Molecular Weight: 79.55
• MDL number: MFCD00010979
• UNSPSC Code: 12352303
• NACRES: NA.21

Properties

• Quality Level: 200
• pH: 7 (20 °C, 50 g/L in H₂O, slurry)
• mp: 1326 °C (decomposition)
• SMILES string: [Cu]=O
• InChI: 1S/Cu.O
• InChI key: QPLDLSVMHZLSFG-UHFFFAOYSA-N

Description

General description

Copper(II) oxide (CuO) is a transition metal oxide and a p-type semiconductor commonly used as thermal conducting material, catalyst, gas sensor, magnetic storage media and varistors. It has a narrow bandgap of 1.2 eV and is used for optoelectronics, semiconductor and solar cell applications.

Application

Copper(II) oxide can be used as:

• A dielectric material applicable in the microelectronic industry.
• A hydrogen sulfide gas sensing material in biogas plants and natural gas facilities.
• An induced-multiferroic material having a high TC temperature applicable in the manufacturing of superconductors.

Legal Information

Technipur is a registered trademark of Merck KGaA, Darmstadt, Germany

Safety Information

• Pictograms: GHS09
• Signal Word: Warning
• Hazard Statements: H410
• Precautionary Statements: P273 - P391 - P501
• Hazard Classifications: Aquatic Acute 1 - Aquatic Chronic 1
• Storage Class Code: 11 - Combustible Solids
• WGK: WGK 3
• Flash Point(F): Not applicable
• Flash Point(C): Not applicable