Copper(I) 1-butanethiolate
Copper(I) 1-butanethiolate (CAS: 4860-18-8), with the linear formula CH3(CH2)3SCu and a molecular weight of 153.73, is a sulfur-containing organocopper compound. It functions as a valuable building block and reagent in organic synthesis, particularly within the chemical industry. Its specific properties make it useful in various chemical transformations where a copper-thiolate species is required.
- IUPAC
- 1-Butanethiol copper(I) salt
- Synonyms
- 1-Butanethiol copper(I) salt

Organic Synthesis Reagent
Copper(I) 1-butanethiolate serves as a versatile reagent in organic chemistry. It is employed in the synthesis of various organic molecules, facilitating specific chemical transformations due to the presence of both copper and thiolate functionalities.
Building Block for Specialty Chemicals
This compound acts as a crucial building block in the development and manufacturing of more complex specialty chemicals. Its unique structure allows for its incorporation into diverse molecular frameworks.
Sulfur Compound Chemistry
As a sulfur-containing organic salt, it plays a role in reactions involving sulfur functionalization. It is useful for introducing sulfur moieties into organic structures or for participating in copper-mediated sulfur chemistry.
| Molecular weight | 153.73 |
|---|---|
| Linear formula | CH3(CH2)3SCu |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Transport (UN / ADR) | UN 3335 |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26 |
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) 1-butanethiolate used for?
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Copper(I) 1-butanethiolate is primarily used as a building block and reagent in organic synthesis and in sulfur compound chemistry.
What is the CAS number and chemical formula for Copper(I) 1-butanethiolate?
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The CAS number is 4860-18-8, and its linear formula is CH3(CH2)3SCu.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical for research and development purposes. The specific assay or purity is available upon request, and it is not represented as USP, BP, EP, or food grade.
How should Copper(I) 1-butanethiolate be handled safely?
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Handle with appropriate personal protective equipment, including a dust mask (type N95 US), eyeshields, and gloves. It is classified as a Warning substance, causing skin irritation (H315), serious eye irritation (H319), and respiratory irritation (H335).
Can Tech Serve Solutions export Copper(I) 1-butanethiolate?
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Yes, Tech Serve Solutions is a specialist global supplier and exporter of fine chemicals, including Copper(I) 1-butanethiolate.
How can I request a quote or sample for Copper(I) 1-butanethiolate?
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To request a quote or sample, please contact our sales team through the website or by phone, providing your specific requirements and shipping details.
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