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Copper

Copper chemical structure
CAS Number7440-50-8
FormulaCu
Mol. Weight63.55 g/mol

What is Copper?

Copper is a chemical compound with CAS number 7440-50-8 and molecular formula Cu. It is used in various industrial and research applications.

Applications

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.

Specifications

Molecular Weight

63.55 g/mol

Assay/Purity

≥99.5%

Impurities

≤0.02% insoluble in HNO3

Boiling Point

2567 °C(lit.)

Density

8.94 g/mL at 25 °C(lit.)

Safety Information

GHS02GHS02
GHS09GHS09
Signal Word

Danger

Hazard Statements

H228-H400

Precautionary Statements

P210-P273-P501

Required PPE

Eyeshields, full-face particle respirator type N100 (US), Gloves, respirator cartridge type N100 (US), type P1 (EN143) respirator filter, type P3 (EN 143) respirator cartridges

Melting Point

1083.4 °C(lit.)

Cation Traces

Ag: ≤20 mg/kg
As: ≤1 mg/kg
Fe: ≤50 mg/kg
Mn: ≤10 mg/kg
P: ≤10 mg/kg
Pb: ≤50 mg/kg
Sb: ≤10 mg/kg
Sn: ≤10 mg/kg

EC Number

231-159-6

WGK Germany

3

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