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544868

Sigma-Aldrich

Copper(II) oxide

nanopowder, <50 nm particle size (TEM)

Synonym(s):

Copper monoxide, CuO nanoparticles, Cupric oxide

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About This Item

Empirical Formula (Hill Notation):
CuO
CAS Number:
1317-38-0
Molecular Weight:
79.55
EC Number:
215-269-1
MDL number:
MFCD00010979
UNSPSC Code:
12352302
PubChem Substance ID:
24878789
NACRES:
NA.23

form

nanopowder

surface area

29 m2/g

particle size

<50 nm (TEM)

application(s)

battery manufacturing

SMILES string

[Cu]=O

InChI

1S/Cu.O

InChI key

QPLDLSVMHZLSFG-UHFFFAOYSA-N

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General description

Copper oxides (Cu2O, CuO) are p-type semiconductor materials with small band gap energy. High physical and chemical stability of metal oxide nanoparticles renders them extremely useful in catalytic applications.The structures of the compounds are monoclinic. Nanoscaled copper oxide compounds can be prepared by thermal plasma technology. A study reports its antimicrobial properties.

Application

Toxicity of copper oxide nanoparticles was reported. Cu2O has been used in coating Cu nanoparticles (Cu2O NPs). Copper oxide nanoparticles has been reported to be used as an anode material for lithium ion cells and as gas sensors on account of it high surface reactivity. Hollow Cu2O NPs has been used in the preparation of nucleosides and as a catalyst in azide-alkyne cycloadditions by other groups. CuO NPs may be used as a catalyst for CSe, CTe, and CS bond formation and synthesis of 2-aminobenzothiazole. Molecular responses of mouse macrophages to CuO and Cu2O NPs were studied.

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

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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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Ji Chan Park et al.
Chemical communications (Cambridge, England), 48(68), 8484-8486 (2012-05-05)
ZnO-CuO core-branch hybrid nanoparticles, synthesized by copper oxide growth and controlled oxidation on ZnO nanospheres, exhibited remarkable enhancement of catalytic activity and stability for ultrasound-assisted [3+2] azide-alkyne cycloaddition reactions, due to their high surface area and active facets of the
Toxicity of nanoparticles of ZnO, CuO and TiO 2 to yeast Saccharomyces cerevisiae
Kasemets K, et al.
Toxicology in vitro, 116-1122 (2009)
Hui He et al.
International journal of nanomedicine, 15, 3291-3302 (2020-06-05)
Inhaled nanoparticles can cross pulmonary air-blood barrier into circulation and cause vascular endothelial injury and progression of cardiovascular disease. However, the molecular mechanism underlying the vascular toxicity of copper oxide nanoparticles (CuONPs) remains unclear. We have recently demonstrated that the
Zhongzhou Yang et al.
International journal of environmental research and public health, 17(4) (2020-02-23)
Rice (Oryza sativa L.), a major staple food for billions of people, was assessed for its phytotoxicity of copper oxide nanoparticle (CuO NPs, size < 50 nm). Under hydroponic condition, seven days of exposure to 62.5, 125, and 250 mg/L
Characterisation of copper oxide nanoparticles for antimicrobial applications.
Ren G, et al.
International Journal of Antimicrobial Agents, 33(6), 587-590 (2009)
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