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774081

Sigma-Aldrich

Copper

nanopowder, 25 nm particle size (TEM)

Empirical Formula (Hill Notation):
Cu
CAS Number:
Molecular Weight:
63.55
EC Number:
MDL number:
PubChem Substance ID:
NACRES:
NA.23

Quality Level

form

nanopowder

resistivity

1.673 μΩ-cm, 20°C

particle size

25 nm (TEM)

bp

2567 °C (lit.)

mp

1083.4 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

SMILES string

[Cu]

InChI

1S/Cu

InChI key

RYGMFSIKBFXOCR-UHFFFAOYSA-N

Application

Copper nanopowder, 25 nm can be used for a variety of applications such as printed electronics, electroless copper plating, heat transfer fluids, catalysis, and thermal energy storage.

Packaging

5 g in glass bottle

Pictograms

FlameEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

Aquatic Acute 1 - Aquatic Chronic 1 - Flam. Sol. 1

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

Ultrasound assisted dispersal of a copper nanopowder for electroless copper activation
Graves JE, et al.
Ultrasonics Sonochemistry, 29, 428-438 (2016)
Chan; G.H.;
Nano Letters, 7(7), 1947-1952 (2007)
Copper nanoparticles for printed electronics: routes towards achieving oxidation stability
Magdassi S, et al.
Materials, 3(9), 4626-4638 (2010)
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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