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Sigma-Aldrich

Copper

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

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Synonym(s):
Cu
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:
24858521
NACRES:
NA.22

grade

ACS reagent

Quality Level

200

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

Related Categories

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.

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

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Carbon materials as catalyst supports for SO2 oxidation: catalytic activity of CuO-AC
Tseng H-H, et al.
Carbon, 41(1), 139-149 (2003)
Effect of occluded hydrogen on the hydrogenation of ethylene over copper
M. C. Schachter, et al.
The Journal of Physical Chemistry, 79(16), 1698?1702-1698?1702 (1975)
Daniel L Priebbenow et al.
Organic letters, 15(24), 6155-6157 (2013-11-28)
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
Hiroshi Sato et al.
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
Seonah Kim et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(1), 149-154 (2013-12-18)
Lytic polysaccharide monooxygenases (LPMOs) exhibit a mononuclear copper-containing active site and use dioxygen and a reducing agent to oxidatively cleave glycosidic linkages in polysaccharides. LPMOs represent a unique paradigm in carbohydrate turnover and exhibit synergy with hydrolytic enzymes in biomass
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