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311405

Sigma-Aldrich

Copper

ACS reagent, granular, 10-40 mesh, ≥99.90%

Synonym(s):

Cu

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About This Item

Empirical Formula (Hill Notation):
Cu
CAS Number:
Molecular Weight:
63.55
EC Number:
MDL number:
UNSPSC Code:
12141711
PubChem Substance ID:
NACRES:
NA.22

grade

ACS reagent

Quality Level

assay

≥99.90%

form

granular

reaction suitability

core: copper
reagent type: catalyst

resistivity

1.673 μΩ-cm, 20°C

impurities

≤0.001% P
≤0.02% insol. dil. HNO3

particle size

10-40 mesh

bp

2567 °C (lit.)

mp

1083.4 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

cation traces

Ag: ≤0.002%
As: ≤5 ppm
Fe: ≤0.005%
Mn: ≤0.001%
Pb: ≤0.005%
Sb and Sn: ≤0.01%

SMILES string

[Cu]

InChI

1S/Cu

InChI key

RYGMFSIKBFXOCR-UHFFFAOYSA-N

Application

Copper (granular) can be used as a catalyst in the hydrogenation of ethylene. It can be impregnated on activated carbon material and used as an adsorbent and also as a catalyst for the removal of SO2 from flue gases.

Storage Class

11 - Combustible Solids

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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Carbon materials as catalyst supports for SO2 oxidation: catalytic activity of CuO-AC
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Effect of occluded hydrogen on the hydrogenation of ethylene over copper
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The Journal of Physical Chemistry, 79(16), 1698?1702-1698?1702 (1975)
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A method has been developed for the preparation of N-alkynylated sulfoximines involving the copper-catalyzed decarboxylative coupling of sulfoximines with aryl propiolic acids. A range of substituents on both the sulfoximidoyl moiety and the aryl group of the propiolic acid were
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Science (New York, N.Y.), 343(6167), 167-170 (2013-12-18)
Carbon monoxide (CO) produced in many large-scale industrial oxidation processes is difficult to separate from nitrogen (N2), and afterward, CO is further oxidized to carbon dioxide. Here, we report a soft nanoporous crystalline material that selectively adsorbs CO with adaptable
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Nature structural & molecular biology, 21(1), 43-48 (2013-12-10)
Heavy metals in cells are typically regulated by PIB-type ATPases. The first structure of the class, a Cu(+)-ATPase from Legionella pneumophila (LpCopA), outlined a copper transport pathway across the membrane, which was inferred to be occluded. Here we show by

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