Copper(I) cyanide
Copper(I) cyanide (CAS 544-92-3) is an inorganic compound with the linear formula CuCN. This white to slightly yellowish powder has a molecular weight of 89.56 g/mol. Primarily utilised as a reagent in organic synthesis, it is a key component in various chemical transformations and complex formations. Its chemical properties make it valuable in specific industrial and research applications.
- IUPAC
- Cuprous cyanide
Organic Synthesis Reagent
Copper(I) cyanide serves as a crucial reagent in organic synthesis, particularly in the introduction of cyano groups. It is widely employed in the synthesis of nitriles from aryl halides and in the preparation of various organic compounds.
Precursor for Organometallic Complexes
It is applied in the synthesis of diamine-CuCN complexes, often assisted by thiosulfate. These complexes can have utility in further chemical reactions and material science.
Electroplating Applications
Copper(I) cyanide is used in electroplating baths for depositing copper coatings. It contributes to the formation of smooth and adherent copper layers on various substrates.
| Molecular weight | 89.56 |
|---|---|
| Linear formula | CuCN |
| Assay | 99.98% |
| Density | 2.92 g/mL at 25 °C(lit.) |
| Application | Applied in a widely useful, thiosulfate-assisted, synthesis of a variety of diamine-CuCN complexes.1 |
| Melting point | 474 °C(lit.) |
Hazard statements
- H300Fatal if swallowed
- H310Fatal in contact with skin
- H330Fatal if inhaled
- H410Very toxic to aquatic life with long-lasting effects
Precautionary statements
- P260Do not breathe dust, fume, gas, mist, vapours or spray
- P264Wash thoroughly after handling
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P284Wear respiratory protection
- P301IF SWALLOWED
| Protective equipment | Eyeshields, Faceshields, 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 1587 6.1 / PGII |
| Water hazard class (WGK, DE) | 2 |
| Hazard codes (EU) | T+,N |
| Risk statements (R) | 26/27/28-32-50/53 |
| Safety statements (S) | 7-28-29-45-60-61 |
| Supplemental hazards | Contact with acids liberates very toxic gas. |
Hazard information is provided for guidance. Always consult the product Safety Data Sheet (SDS), available on request, before handling.
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(I) cyanide used for?
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Copper(I) cyanide is primarily used as a reagent in organic synthesis for introducing cyano groups and in the preparation of organometallic complexes. It also finds application in electroplating processes.
What is the CAS number and formula for Copper(I) cyanide?
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The CAS number for Copper(I) cyanide is 544-92-3, and its linear formula is CuCN.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Copper(I) cyanide with an assay of 99.98%. We do not represent this product as meeting any specific pharmacopoeia standards (e.g., USP, BP, EP) unless explicitly stated.
How should Copper(I) cyanide be handled?
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Copper(I) cyanide is highly toxic and requires careful handling. It is labelled with hazard statements H300, H310, H330, and H410. Contact with acids liberates very toxic gas. Always use appropriate personal protective equipment, including eyeshields, gloves, and a suitable respirator, and ensure adequate ventilation. Refer to the Safety Data Sheet for detailed guidance.
How is Copper(I) cyanide packed, shipped, and exported?
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Copper(I) cyanide is packed in accordance with international regulations for hazardous materials. Tech Serve Solutions exports this chemical globally, adhering to all relevant shipping and customs requirements for hazardous substances.
How can I request a sample or quote for Copper(I) cyanide?
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To request a sample or obtain a quote for Copper(I) cyanide, please contact our sales department via the website or direct email, providing your specific requirements and shipping details.
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