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Key Documents

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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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
Eagleson M.
Concise Encyclopedia Chemistry, 523-523 (1994)
Copper (II) oxide nanowires for p-type conductometric NH3 sensing.
Shao F, et al.
Applied Surface Science, 311, 177-181 (2014)
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)
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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