Copper
Copper (CAS: 7440-50-8), a highly conductive and versatile transition metal with the chemical formula Cu and a molar mass of 63.55 g/mol, is supplied by Tech Serve Solutions as a fine powder. This elemental form is integral to numerous catalytic processes, particularly in organic synthesis for cyclization and coupling reactions. Its applications span advanced materials, chemical manufacturing, and various industrial processes, underscoring its importance in modern chemistry and technology.
Catalysis in Organic Synthesis
Copper powder serves as a crucial catalyst in various organic transformations, including Ullmann coupling reactions and the preparation of cyclopropanes. It is also employed in the decomposition of diazoketones and diazoesters, and facilitates [3+2] cycloaddition reactions.
Chemical Synthesis
Utilised in the synthesis of complex molecules, copper powder is effective in hydrogenation reactions and the insertion into C-O bonds. Its catalytic properties make it indispensable for developing novel synthetic routes.
Materials Science
As a fundamental element, copper in powder form contributes to advancements in materials science, including the development of new alloys and composite materials with specific electrical and thermal properties.
Industrial Applications
Beyond synthesis, copper's unique properties lend themselves to various industrial applications, from conductive inks and coatings to specialized manufacturing processes requiring a reactive metal powder.
| Molecular weight | 63.55 |
|---|---|
| Empirical formula | Cu |
| Assay | ≥99.5% |
| Form | powder |
| Boiling point | 2567 °C(lit.) |
| Density | 8.94 g/mL at 25 °C(lit.) |
| Particle size | <425 μm |
| Melting point | 1083.4 °C(lit.) |
| Impurities tested | ≤0.02% insoluble in HNO3 |
| 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. |
Hazard statements
- H228Flammable solid
- H400Very toxic to aquatic life
Precautionary statements
- P210Keep away from heat, sparks and open flames. No smoking
- P273Avoid release to the environment
- P501Dispose of contents and container per local regulations
| Protective equipment | 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 |
|---|---|
| Transport (UN / ADR) | UN 3089 4.1/PG 2 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | F,N |
| Risk statements (R) | 11-50 |
| Safety statements (S) | 16-61 |
| Cation traces | Ag: ≤20 mg/kgAs: ≤1 mg/kgFe: ≤50 mg/kgMn: ≤10 mg/kgP: ≤10 mg/kgPb: ≤50 mg/kgSb: ≤10 mg/kgSn: ≤10 mg/kg |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
| Resistivity | 1.673 μΩ-cm, 20°C |
|---|---|
| Turnings L | ~0.5 cm |
| Size | 0.1 mm |
| Granulation | 0.2-0.6 mm |
| Thickness | 0.025 mm |
Documentation
Every batch ships with a Certificate of Analysis covering assay, identity and purity; the grade is confirmed against your enquiry. Safety Data Sheets and technical data sheets are available on request.
Supply & logistics
Samples for technical evaluation; bulk MOQ by grade and packaging. In-stock material ships in 7–10 working days, worldwide, with full export documentation.
What is Copper powder used for?
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Copper powder (CAS: 7440-50-8) is primarily used as a catalyst in organic synthesis for reactions such as Ullmann coupling, cyclization, and hydrogenation. It also finds applications in materials science and various industrial processes.
What is the CAS number and chemical formula for Copper powder?
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The CAS number for Copper powder is 7440-50-8, and its chemical formula is Cu.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Copper powder with an assay of ≥99.5%. This product is supplied for research and technical use. TSS does not represent this product as USP, BP, EP, or any other pharmacopoeia grade.
How should Copper powder be handled safely?
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Copper powder is flammable (H228) and very toxic to aquatic life with long-lasting effects (H400). Handle with appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator (e.g., N100 US, P3 EN143). Ensure proper ventilation and avoid release into the environment.
How is Copper powder packed and shipped?
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Copper powder is packed according to safety regulations for flammable solids (UN 3089 4.1/PG 2). Consult with Tech Serve Solutions for specific packaging and shipping details for domestic and international export.
How can I request a sample or quote for Copper powder?
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To request a sample or a quote for Copper powder, please contact the Tech Serve Solutions sales team through our website or by phone. Provide your specific requirements for prompt service.
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