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357456

Sigma-Aldrich

Copper

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

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About This Item

Formule empirique (notation de Hill):
Cu
Numéro CAS:
7440-50-8
Poids moléculaire :
63.55
Numéro CE :
231-159-6
Numéro MDL:
MFCD00010965
Code UNSPSC :
12141711
ID de substance PubChem :
24861916
Nomenclature NACRES :
NA.23

Pureté

99.7% trace metals basis

Forme

powder (dendritic)

Résistivité

1.673 μΩ-cm, 20°C

Taille des particules

<45 μm

Point d'ébullition

2567 °C (lit.)

Pf

1083.4 °C (lit.)

Densité

8.94 g/mL at 25 °C (lit.)

Chaîne SMILES 

[Cu]

InChI

1S/Cu

Clé InChI

RYGMFSIKBFXOCR-UHFFFAOYSA-N

Description générale

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.

Application

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

Pictogrammes

FlameEnvironment
GHS02,GHS09

Mention d'avertissement

Danger

Mentions de danger

H228,H410

Classification des risques

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

Code de la classe de stockage

4.1B - Flammable solid hazardous materials

Classe de danger pour l'eau (WGK)

WGK 2

Point d'éclair (°F)

Not applicable

Point d'éclair (°C)

Not applicable

Équipement de protection individuelle

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

Certificats d'analyse (COA)

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Biodiesel production from highly unsaturated feedstock via simultaneous transesterification and partial hydrogenation in supercritical methanol
Shin H, et al.
Journal of Supercritical Fluids, 82(5-6), 251-255 (2013)
Effect of size and shape of metal particles to improve hardness and electrical properties of carbon nanotube reinforced copper and copper alloy composites
Uddin SM, et al.
Composites Science and Technology, 70(16), 2253-2257 (2010)
Formation of dendritic copper deposit in industrial electrolysis
Osipova ML, et al.
Powder Metallurgy and Metal Ceramics, 49(5-6), 253-259 (2010)
R Squitti et al.
Neurology, 67(1), 76-82 (2006-07-13)
To assess whether serum copper in Alzheimer disease (AD) correlates with cognitive scores, beta-amyloid, and other CSF markers of neurodegeneration. The authors studied copper, ceruloplasmin, total peroxide, and antioxidants levels (TRAP) in serum; beta-amyloid in plasma; and copper, beta-amyloid, h-tau
Seiko Ishida et al.
Proceedings of the National Academy of Sciences of the United States of America, 110(48), 19507-19512 (2013-11-13)
Copper is an essential trace element, the imbalances of which are associated with various pathological conditions, including cancer, albeit via largely undefined molecular and cellular mechanisms. Here we provide evidence that levels of bioavailable copper modulate tumor growth. Chronic exposure
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