Sodium 1-butanethiolate
Sodium 1-butanethiolate (CAS: 4779-86-6), with the chemical formula CH3CH2CH2CH2SNa and a molecular weight of 112.17 g/mol, is an organosulfur compound. It serves as a valuable reagent and building block in organic synthesis. Its primary utility lies in introducing the butanethiolate group into various molecular structures, facilitating the creation of complex organic molecules and intermediates.
- IUPAC
- 1-Butanethiol sodium salt

Organic Synthesis Reagent
Sodium 1-butanethiolate is employed as a nucleophile in organic reactions, enabling the formation of carbon-sulfur bonds. It is useful for alkylation reactions and the synthesis of thioethers.
Building Block for Specialty Chemicals
This compound acts as a fundamental building block in the synthesis of more complex molecules. Its application is found in the development of various specialty chemicals, including pharmaceuticals and materials science precursors.
Sulfur Compound Intermediate
As a sulfur-containing organic salt, it functions as an intermediate in the production of diverse sulfur-based organic compounds. Its reactivity is key in adding sulfur functionalities to organic frameworks.
| Molecular weight | 112.17 |
|---|---|
| Linear formula | CH3CH2CH2CH2SNa |
| Assay | ≥95.0% (RT) |

Hazard statements
- H314Causes severe skin burns and eye damage
Precautionary statements
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| 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 3263 8 / PGIII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34 |
| Safety statements (S) | 26-36/37/39-45 |
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 Sodium 1-butanethiolate used for?
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Sodium 1-butanethiolate is primarily used as a reagent and building block in organic synthesis to introduce the butanethiolate group, forming carbon-sulfur bonds in the synthesis of various organic compounds.
What is the CAS number and formula for Sodium 1-butanethiolate?
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The CAS number is 4779-86-6 and the chemical formula is CH3CH2CH2CH2SNa.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Sodium 1-butanethiolate with an assay of ≥95.0% (RT). TSS does not represent this product as USP, BP, or EP grade.
What are the main hazards associated with Sodium 1-butanethiolate?
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Sodium 1-butanethiolate is classified as Danger, with hazard statement H314, indicating it causes severe skin burns and eye damage. Appropriate personal protective equipment, including eyeshields, face shields, gloves, and respiratory protection, must be used during handling.
How is Sodium 1-butanethiolate packed, shipped, and exported?
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As per UN 3263 classification, Sodium 1-butanethiolate is shipped as a corrosive solid, packed in compliance with international regulations for hazardous materials.
How can I request a quote or sample for Sodium 1-butanethiolate?
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To request a quote or sample, please contact our sales team directly through the TSS website or by phone, referencing the product name and CAS number.
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