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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
MDL number:
MFCD00010979
UNSPSC Code:
12352303
NACRES:
NA.21

Key Documents

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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

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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

Pictograms

Environment
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

Regulatory Information

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Certificates of Analysis (COA)

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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)
CuO and Co3O4 nanoparticles: synthesis, characterizations, and Raman spectroscopy
Rashad M, et al.
Journal of Nanomaterials, 2013 (2013)
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)

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