Merck
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774081

Sigma-Aldrich

Copper

nanopowder, 25 nm particle size (TEM)

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

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

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7741117741031.02703
Copper nanopowder, 25 nm particle size (TEM)

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774081

Copper

Copper nanopowder, 40-60 nm particle size (SAXS), ≥99.5% trace metals basis

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774111

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

Sigma-Aldrich

774103

Copper

Copper fine powder particle size 230 mesh ASTM) EMSURE®

Supelco

1.02703

Copper

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

-

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083 °C

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

8.96 g/cm3 at 20 °C

Quality Level

100

Quality Level

100

Quality Level

100

Quality Level

300

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

resistivity

-

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.

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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Chih-Ying Lee et al.
Chemosphere, 261, 128051-128051 (2020-10-30)
The potential toxicity of copper nanoparticles (CuNPs) to early stages of fishes is not fully understood, and little is known about their effects on ionocytes and associated functions. This study used zebrafish embryos as a model to investigate the toxic
Copper nanoparticles for printed electronics: routes towards achieving oxidation stability
Magdassi S, et al.
Materials, 3(9), 4626-4638 (2010)
Low-cost and high-throughput synthesis of copper nanopowder for nanofluid applications
Maji NC, et al.
Chemical Engineering Journal, 353, 34-45 (2018)
Evaluation of copper nanoparticles-Paraffin wax compositions for solar thermal energy storage
Lin SC and Al-Kayiem HH
Solar Energy, 132, 267-278 (2016)
Ultrasound assisted dispersal of a copper nanopowder for electroless copper activation
Graves JE, et al.
Ultrasonics Sonochemistry, 29, 428-438 (2016)

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