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Sigma-Aldrich

Copper(II) oxide

powder, <10 μm, 98%

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Synonym(s):
Cupric oxide
Empirical Formula (Hill Notation):
CuO
CAS Number:
1317-38-0
Molecular Weight:
79.55
EC Number:
215-269-1
MDL number:
MFCD00010979
PubChem Substance ID:
329752048
NACRES:
NA.21

Quality Level

200

Assay

98%

form

powder

particle size

<10 μm

SMILES string

[Cu]=O

InChI

1S/Cu.O

InChI key

QPLDLSVMHZLSFG-UHFFFAOYSA-N

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Application

Copper(II) oxide can be used as a catalyst for the:
  • Hydroamination of di(cyclo)alkylcarbodiimides.
  • Wet oxidation of disodium malonate to sodium oxalate.

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

13 - Non Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Nanoparticulate copper (II) oxide catalyzed synthesis of guanidine derivatives and their conversion into functionalized iminoguanidines
Yavari I, et al.
Synlett, 26, 1230-1232 (2015)
Selective organic removal from the alumina industrial liquor: wet oxidation and catalytic wet oxidation of disodium malonate
Eyer S, et al.
Industrial & Engineering Chemistry Research, 41, 1166-1170 (2001)
Bettina Maria Strauch et al.
Nanomaterials (Basel, Switzerland), 10(4) (2020-04-09)
The toxicity of the copper oxide nanoparticles (CuO NP) has been attributed to the so-called "Trojan horse"-type mechanism, relying on the particle uptake and extensive intracellular release of copper ions, due to acidic pH in the lysosomes. Nevertheless, a clear
Chethana Gadiyar et al.
Chemical science, 9(25), 5658-5665 (2018-08-01)
Nanocrystal-seeded synthesis relies on the reaction of nanocrystal seeds with a molecular precursor and it can be regarded as the link between sol-gel and solid-state chemistries. This synthesis approach aims at accessing compositionally complex materials, yet to date its full
A refinement of the crystal structure of copper (II) oxide with a discussion of some exceptional esd's.
?sbrink S and Norrby LJ.
Acta Crystallographica Section B, Structural Science, 26(1), 8-15 (1970)
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