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Merck

254177

Copper

beads, 2-8 mm, 99.9995% trace metals basis

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25 G

R 3,054.66

R 3,054.66

List PriceR 3,117.00
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About This Item

Empirical Formula (Hill Notation):
Cu
CAS Number:
7440-50-8
Molecular Weight:
63.55
NACRES:
NA.23
PubChem Substance ID:
24855363
UNSPSC Code:
12141711
EC Number:
231-159-6
MDL number:
MFCD00010965

Key Documents

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InChI key

RYGMFSIKBFXOCR-UHFFFAOYSA-N

InChI

1S/Cu

SMILES string

[Cu]

assay

99.9995% trace metals basis

form

beads

resistivity

1.673 μΩ-cm, 20°C

particle size

2-8 mm

bp

2567 °C (lit.)

mp

1083.4 °C (lit.)

density

8.94 g/mL at 25 °C (lit.)

Quality Level

100

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349151203122357456
Copper beads, 2-8 mm, 99.9995% trace metals basis

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Copper foil, thickness 0.5 mm, 99.98% trace metals basis

Sigma-Aldrich

349151

Copper

Copper powder, 99.99% trace metals basis

Sigma-Aldrich

203122

Copper

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

Sigma-Aldrich

357456

Copper

form

beads

form

foil

form

powder

form

powder (dendritic)

assay

99.9995% trace metals basis

assay

99.98% trace metals basis

assay

99.99% trace metals basis

assay

99.7% trace metals basis

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

bp

2567 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °C (lit.)

mp

1083.4 °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

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.)

General description

Copperbeads are versatile catalysts in organic synthesis and material science because of their recyclability, sustainability, and superior catalytic performance. They are employed as heterogeneous catalysts in a range of organic reactions, including Click chemistry and cross-coupling reactions.

Application

  • Spray-dried ternary bioactive glass microspheres: This study examines the structural effects of copper doping in bioactive glass microspheres, highlighting their potential in biomedical applications for controlled drug delivery (Vecchio et al., 2024).
  • Design, Synthesis, and Characterization of Stable Copper Nanofluid: Reports on the synthesis of copper nanofluids for enhanced thermal conductivity, relevant in industrial production and various thermal applications (Bhat et al., 2024).

Storage Class

13 - Non Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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Certificates of Analysis (COA)

Lot/Batch Number
MKCT5503
MKCT3772
MKCR5260
MKCS6042
MKCP4667

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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
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
Huawen Huang et al.
Organic letters, 15(24), 6254-6257 (2013-11-23)
A rapid and environmentally friendly conversion of pyridine to imidazo[1,2-a]pyridines has been developed via copper-catalyzed aerobic dehydrogenative cyclization with ketone oxime esters.
Magnus Andersson et al.
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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