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Merck
CN

1.02769

Copper(II) oxide

Technipur®

Synonym(s):

Copper monoxide, Copper oxide, Cupric oxide

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About This Item

Empirical Formula (Hill Notation):
CuO
CAS Number:
1317-38-0
Molecular Weight:
79.55
UNSPSC Code:
12352303
NACRES:
NA.21
MDL number:
MFCD00010979

Key Documents

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Product Name

Copper(II) oxide, Technipur®

InChI

1S/Cu.O

SMILES string

[Cu]=O

InChI key

QPLDLSVMHZLSFG-UHFFFAOYSA-N

pH

7 (20 °C, 50 g/L in H2O, slurry)

mp

1326 °C (decomposition)

Quality Level

200

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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.

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.

Legal Information

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

pictograms

Environment
GHS09

signalword

Warning

hcodes

H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Information

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Certificates of Analysis (COA)

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Copper (II) oxide as a giant dielectric material
Sarkar S, et al.
Applied Physics Letters, 89(21), 212905-212905 (2006)
Copper oxide nanomaterials prepared by solution methods, some properties, and potential applications: a brief review
Tran TH and Nguyen VT
International Scholarly Research Network (2014)
CuO and Co3O4 nanoparticles: synthesis, characterizations, and Raman spectroscopy
Rashad M, et al.
Journal of Nanomaterials, 2013 (2013)
Specific, trace gas induced phase transition in copper (II) oxide for highly selective gas sensing
Kneer J, et al.
Applied Physics Letters, 105(7), 073509-073509 (2014)
Cupric oxide as an induced-multiferroic with high-TC
Kimura T, et al.
Nature Materials, 7(4), 291-294 (2008)

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