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208841

Sigma-Aldrich

Copper(II) oxide

powder, <10 μm, 98%

Synonym(s):

Cupric oxide

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About This Item

Empirical Formula (Hill Notation):
CuO
CAS Number:
Molecular Weight:
79.55
EC Number:
MDL number:
UNSPSC Code:
12352303
PubChem Substance ID:
NACRES:
NA.21

Quality Level

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

Signal Word

Warning

Hazard Statements

Precautionary Statements

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


Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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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
DSC kinetics of the thermal decomposition of copper (II) oxalate by isoconversional and maximum rate (peak) methods.
Muraleedharan K and Kripa S.
Journal of Thermal Analysis and Calorimetry, 115(2), 1969-1978 (2014)

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