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794317

Sigma-Aldrich

Copper

nanopowder, <100 nm (BET), <3% oxygen passivation, 99% trace metals basis

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About This Item

Empirical Formula (Hill Notation):
Cu
CAS Number:
7440-50-8
Molecular Weight:
63.55
MDL number:
MFCD00010965
UNSPSC Code:
12352302
PubChem Substance ID:
329768439
NACRES:
NA.23

Assay

99% trace metals basis

form

nanopowder

resistivity

1.673 μΩ-cm, 20°C

particle size

<100 nm (BET)

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.

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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Chan; G.H.;
Nano Letters, 7(7), 1947-1952 (2007)
Vizcaino; A.J.;
International Journal of Hydrogen Energy, 32(10-11), 1450-1461 (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

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