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774103

Sigma-Aldrich

Copper

nanopowder, 60-80 nm particle size (SAXS), ≥99.5% trace metals basis

Synonym(s):

Copper nanoparticles

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About This Item

Empirical Formula (Hill Notation):
Cu
CAS Number:
7440-50-8
Molecular Weight:
63.55
EC Number:
231-159-6
MDL number:
MFCD00010965
UNSPSC Code:
12352302
PubChem Substance ID:
329767662
NACRES:
NA.23

Assay

≥99.5% trace metals basis

form

nanopowder

resistivity

1.673 μΩ-cm, 20°C

particle size

60-80 nm (SAXS)

bp

2567 °C (lit.)

mp

1083.4 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

application(s)

battery manufacturing

SMILES string

[Cu]

InChI

1S/Cu

InChI key

RYGMFSIKBFXOCR-UHFFFAOYSA-N

Application

Copper nanopowders have seen use in biomedical applications as an antimicrobial ; as plasmonic materials and as a component of reforming catalysts.

Preparation Note

Partially Passivated: <  5% oxygen added by weight

Pictograms

FlameEnvironment
GHS02,GHS09

Signal Word

Danger

Hazard Statements

H228,H251,H410

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 2 - Self-heat. 1

Storage Class Code

4.2 - Pyrophoric and self-heating hazardous materials

WGK

WGK 2

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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Vizcaino; A.J.; et al.
International Journal of Hydrogen Energy, 32, 1450-1461 (2007)
Chan; G.H.; et al.
Nano Letters, 7, 1947-1952 (2007)
Jayesh P Ruparelia et al.
Acta biomaterialia, 4(3), 707-716 (2008-02-06)
The antimicrobial properties of silver and copper nanoparticles were investigated using Escherichia coli (four strains), Bacillus subtilis and Staphylococcus aureus (three strains). The average sizes of the silver and copper nanoparticles were 3 nm and 9 nm, respectively, as determined
Daniel L Priebbenow et al.
Organic letters, 15(24), 6155-6157 (2013-11-28)
A method has been developed for the preparation of N-alkynylated sulfoximines involving the copper-catalyzed decarboxylative coupling of sulfoximines with aryl propiolic acids. A range of substituents on both the sulfoximidoyl moiety and the aryl group of the propiolic acid were
Hiroshi Sato et al.
Science (New York, N.Y.), 343(6167), 167-170 (2013-12-18)
Carbon monoxide (CO) produced in many large-scale industrial oxidation processes is difficult to separate from nitrogen (N2), and afterward, CO is further oxidized to carbon dioxide. Here, we report a soft nanoporous crystalline material that selectively adsorbs CO with adaptable
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