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207780

Sigma-Aldrich

Copper

powder, <75 μm, 99%

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About This Item

Fórmula empírica (notación de Hill):
Cu
Número de CAS:
7440-50-8
Peso molecular:
63.55
EC Number:
231-159-6
MDL number:
MFCD00010965
UNSPSC Code:
12141711
PubChem Substance ID:
24852470
NACRES:
NA.23

assay

99%

form

powder

resistivity

1.673 μΩ-cm, 20°C

particle size

<75 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

General description

Copperis a versatile and widely used metal with significant importance in variousfields, particularly in catalysis and material science. In material science,copper is used in various conductive materials due to its excellent electricaland thermal conductivity, ductility, and corrosion resistance. Additionally,copper is also extensively used as a catalyst in various chemical reactions dueto its ability to facilitate electron transfer and promote redox reactions. Itoften acts as a catalyst in various reactions which include reduction, cross-couplingreactions and “click" chemistry (such as copper-catalyzed azide-alkynecycloaddition reactions.

Application

  • Photoinduced Copper-Catalyzed Aminoalkylation of Amino-Pendant Olefins.: This study explores the use of copper catalysts in photoinduced aminoalkylation reactions, highlighting the efficiency and potential applications in organic synthesis (Zhang et al., 2023).
  • Synthesis of Azoxy Compounds: from Copper Compounds to Mesoporous Silica-Encaged Ultrasmall Copper Catalysts.: This research focuses on the development of copper-based catalysts for the synthesis of azoxy compounds, emphasizing their application in sustainable chemistry (Han et al., 2023).
  • Cu-catalyzed enantioselective allylic alkylation with organolithium reagents.: The paper presents a method for enantioselective allylic alkylation using copper catalysts, providing insights into asymmetric synthesis techniques (Hornillos et al., 2017).

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

Certificados de análisis (COA)

Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»

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Stephen G Kaler et al.
The New England journal of medicine, 358(6), 605-614 (2008-02-08)
Menkes disease is a fatal neurodegenerative disorder of infancy caused by diverse mutations in a copper-transport gene, ATP7A. Early treatment with copper injections may prevent death and illness, but presymptomatic detection is hindered by the inadequate sensitivity and specificity of
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
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
Yan Meng et al.
Biochimica et biophysica acta, 1690(3), 208-219 (2004-10-30)
Hepatic abnormalities in Long-Evans Cinnamon (LEC) rats, an animal model of Wilson disease (WD), were restored by the expression of the human ATP7B cDNA under the control of CAG promoter. Expression of ATP7B transcript and protein in the liver of
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