Copper(I) chloride
Copper(I) chloride (CAS 7758-89-6), with the linear formula CuCl and a molecular weight of 99.00 g/mol, is a versatile inorganic compound. It exhibits unique characteristics as an initiator for radical reactions, notably in the hydrostannation of α,β-unsaturated ketones. Its applications span catalysis, chemical synthesis, and inorganic chemistry, making it a valuable reagent for research and industrial processes requiring specific catalytic activity.
- IUPAC
- Copper monochloride,Cuprous chloride
- Synonyms
- Copper monochlorideCuprous chloride

Catalysis in Organic Synthesis
Copper(I) chloride serves as a key initiator for various radical reactions. It is particularly noted for its role in the hydrostannation of α,β-unsaturated ketones, facilitating specific bond formations in organic molecules.
Chemical Synthesis Reagent
This compound is employed in diverse chemical synthesis pathways. Its ability to participate in redox reactions and act as a Lewis acid makes it a useful component in the preparation of complex organic structures.
Inorganic Chemistry Applications
As a copper salt, Copper(I) chloride is utilized in inorganic chemistry for studies and applications involving copper's oxidation states and coordination chemistry. It contributes to the development of new materials and catalytic systems.
| Molecular weight | 99.00 |
|---|---|
| Linear formula | CuCl |
| Assay | ≥90%≥90.0% CuCl basis (ACS specification) |
| Boiling point | 1490 °C(lit.) |
| Density | 1.15 g/mL at 20 °C |
| Concentration | ~14% |
| Vapour pressure | 1.3 mmHg (546 °C) |
| Melting point | 430 °C(lit.) |
| Impurities tested | ≤0.02% insol. in acid |
| Application | Shows unique character as an initiator of radical reactions such as the hydrostannation of α,β-unsaturated ketones.1 |
Precautionary statements
- P273Avoid release to the environment
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P501Dispose of contents and container per local regulations
| Cation traces | Ca: ≤0.01%Fe: ≤0.005%K: ≤0.02%Na: ≤0.05% |
|---|---|
| Anion traces | sulfate (SO42-): ≤0.1% |
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) chloride used for?
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Copper(I) chloride is used as an initiator for radical reactions, such as the hydrostannation of α,β-unsaturated ketones, and in various chemical synthesis and inorganic chemistry applications.
What is the CAS number and formula for Copper(I) chloride?
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The CAS number for Copper(I) chloride is 7758-89-6 and its linear formula is CuCl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Copper(I) chloride with an assay of ≥90.0% CuCl basis (ACS specification). TSS does not represent this product as USP/BP/EP or other pharmacopoeia grades.
How should Copper(I) chloride be handled?
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Handle Copper(I) chloride with appropriate personal protective equipment, including gloves and eye protection, as indicated by precautionary statements P273, P280, P305 + P351 + P338, and P501. Avoid release to the environment.
Is Copper(I) chloride a controlled substance?
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The provided data does not indicate that Copper(I) chloride is a controlled substance.
How is Copper(I) chloride typically packed and shipped?
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Copper(I) chloride is packed and exported by Tech Serve Solutions according to industry standards for chemical reagents, ensuring safe transit and compliance with international shipping regulations.
How can I request a sample or quote for Copper(I) chloride?
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To request a sample or a quote for Copper(I) chloride, please contact the Tech Serve Solutions sales team through our website or by phone, providing your specific requirements.
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