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Merck

266086

Sigma-Aldrich

Copper

powder, <425 μm, 99.5% trace metals basis

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
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Quality Level

Assay

99.5% trace metals basis

form

powder

reaction suitability

core: copper
reagent type: catalyst

resistivity

1.673 μΩ-cm, 20°C

particle size

<425 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

Application

Catalyst for the cyclization and coupling reactions; e.g. Ullmann coupling reactions, preparation of cyclopropanes, decomposition of diazoketones or diazoesters, insertion to C-O bonds, [3 + 2] cycloaddition of terminal alkynes and azides, hydrogenation.


Pictograms

FlameEnvironment

Signal Word

Danger

Hazard Statements

Hazard Classifications

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

Storage Class Code

4.1B - Flammable solid hazardous materials

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves


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