1-Butanesulfonyl chloride
1-Butanesulfonyl chloride (CAS: 2386-60-9), with the linear formula CH3(CH2)3SO2Cl and a molecular weight of 156.63 g/mol, is a key organic building block. This sulfonyl halide is primarily employed in organic synthesis for introducing the butanesulfonyl group. Its reactivity makes it valuable in the preparation of various compounds within chemical research and development.

Organic Synthesis Reagent
1-Butanesulfonyl chloride serves as a versatile reagent in organic chemistry laboratories. It is used to introduce the butanesulfonyl moiety into various organic molecules, facilitating the synthesis of more complex structures.
Intermediate in Pharmaceutical Research
This compound can act as an intermediate in the multi-step synthesis of potential pharmaceutical agents. Its functional group allows for further chemical modifications essential in drug discovery processes.
Material Science Applications
The butanesulfonyl group can be incorporated into polymers or other materials to modify their properties. Research may explore its use in creating novel materials with specific chemical or physical characteristics.
| Molecular weight | 156.63 |
|---|---|
| Linear formula | CH3(CH2)3SO2Cl |
| Assay | 98% |
| Boiling point | 80-81 °C/9 mmHg(lit.) |
| Density | 1.208 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.454(lit.) |
| Vapour pressure | 0.5 mmHg (20 °C) |


Hazard statements
- H314Causes severe skin burns and eye damage
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P280Wear protective gloves, clothing and eye/face protection
- P305IF IN EYES
- P310Immediately call a POISON CENTER or doctor
| Protective equipment | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 79 °C / 174.2 °F |
| Transport (UN / ADR) | UN 3265 8 / PGII |
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | C |
| Risk statements (R) | 34-36/37 |
| 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 1-Butanesulfonyl chloride used for?
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1-Butanesulfonyl chloride is primarily used as a reagent in organic synthesis to introduce the butanesulfonyl group and as an intermediate in the preparation of other chemical compounds.
What is the CAS number and chemical formula for 1-Butanesulfonyl chloride?
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The CAS number is 2386-60-9, and the chemical formula is CH3(CH2)3SO2Cl.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies 1-Butanesulfonyl chloride with a purity of 98%. We do not represent this product as USP, BP, or EP grade.
How should 1-Butanesulfonyl chloride be handled safely?
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1-Butanesulfonyl chloride is dangerous and causes severe skin burns and eye damage (H314) and may cause respiratory irritation (H335). Handle with appropriate personal protective equipment, including chemical-resistant gloves, eye protection (goggles and face shield), and respiratory protection. Ensure adequate ventilation and avoid contact with skin, eyes, and clothing.
How is 1-Butanesulfonyl chloride packed, shipped, and exported?
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1-Butanesulfonyl chloride is shipped as a hazardous material, UN 3265, Class 8, Packing Group II. Tech Serve Solutions ensures compliant packaging and documentation for global export.
How can I request a quote or sample for 1-Butanesulfonyl chloride?
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To request a quote or sample, please contact our sales department through the website or by phone, providing your contact details and the quantity required.
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