266086

Copper

powder, <425 μm, 99.5% trace metals basis

• Synonym(s): Cu
• Empirical Formula (Hill Notation): Cu
• CAS Number: 7440-50-8
• Molecular Weight: 63.55
• EC Number: 231-159-6
• MDL number: MFCD00010965
• UNSPSC Code: 12141711
• PubChem Substance ID: 24856123
• NACRES: NA.22

Properties

• 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

Description

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.

Safety Information

• Pictograms: GHS02,GHS09
• Signal Word: Danger
• Hazard Statements: H228,H410
• Precautionary Statements: P210 - P240 - P241 - P273 - P280 - P370 + P378
• 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