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774103

Sigma-Aldrich

Copper

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

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

Quality Level

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

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This Item
774081349178577995
Copper nanopowder, 60-80 nm particle size (SAXS), ≥99.5% trace metals basis

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Copper nanopowder, 25 nm particle size (TEM)

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Copper foil, thickness 0.25 mm, 99.98% trace metals basis

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Nickel nanopowder, <100 nm avg. part. size, ≥99% trace metals basis

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577995

Nickel

form

nanopowder

form

nanopowder

form

foil

form

nanopowder

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2732 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1453 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

density

8.9 g/mL at 25 °C (lit.)

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

resistivity

6.97 μΩ-cm, 20°C

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

Signal Word

Danger

Hazard Statements

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


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Chan; G.H.; et al.
Nano Letters, 7, 1947-1952 (2007)
Vizcaino; A.J.; et al.
International Journal of Hydrogen Energy, 32, 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
Seiko Ishida et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(48), 19507-19512 (2013-11-13)
Copper is an essential trace element, the imbalances of which are associated with various pathological conditions, including cancer, albeit via largely undefined molecular and cellular mechanisms. Here we provide evidence that levels of bioavailable copper modulate tumor growth. Chronic exposure
R Squitti et al.
Neurology, 67(1), 76-82 (2006-07-13)
To assess whether serum copper in Alzheimer disease (AD) correlates with cognitive scores, beta-amyloid, and other CSF markers of neurodegeneration. The authors studied copper, ceruloplasmin, total peroxide, and antioxidants levels (TRAP) in serum; beta-amyloid in plasma; and copper, beta-amyloid, h-tau

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