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357456

Sigma-Aldrich

Copper

powder (dendritic), <45 μm, 99.7% trace metals basis

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100 G
$71.60
500 G
$259.35

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:
12141711
PubChem Substance ID:
24861916
NACRES:
NA.23

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assay

99.7% trace metals basis

form

powder (dendritic)

resistivity

1.673 μΩ-cm, 20°C

particle size

<45 μm

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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Copper powder (dendritic), &lt;45&#160;&#956;m, 99.7% trace metals basis

357456

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Copper foil, thickness 1.0&#160;mm, 99.999% trace metals basis

266744

Copper

assay

99.7% trace metals basis

assay

99.99% trace metals basis

assay

99%

assay

99.999% trace metals basis

form

powder (dendritic)

form

powder

form

powder

form

foil

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

8.94 g/mL at 25 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

resistivity

1.673 μΩ-cm, 20°C

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

General description

Copper powder (dendritic) is also known as an electrolytic copper powder (ECP) which has a dendritic shape with a particle size that is less than 4.5 μm. The dendritic shape of the copper particles can be produced by electrolytic deposition method.[1][2]

Application

ECP can be used as a catalyst in the production of biodiesel by transesterification of soybean oil and partial hydrogenation of polyunsaturated compounds.[3] It can also be used to form a metal composite with carbon nanotubes for the formation of high strength copper alloys.[1]

pictograms

FlameEnvironment
GHS02,GHS09

signalword

Danger

hcodes

H228,H410

Hazard Classifications

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

Storage Class

4.1B - Flammable solid hazardous materials

wgk_germany

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type P3 (EN 143) respirator cartridges

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Certificates of Analysis (COA)

Lot/Batch Number
MKCQ9381
MKCL1857
MKCD5261
MKBW5392V
MKBL3355V

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