Perfluoro-1-butanesulfonyl fluoride
Perfluoro-1-butanesulfonyl fluoride (CAS: 375-72-4; Formula: CF3(CF2)3SO2F; MW: 302.09) is a fluorinated organic compound featuring a sulfonyl fluoride functional group. This versatile chemical serves as a key building block in organic synthesis, particularly for introducing fluorinated moieties into complex molecules. Its unique properties make it valuable in the development of advanced materials and specialty chemicals.

Fluorinated Building Block
Utilised in organic synthesis to incorporate perfluorobutylsulfonyl groups, enabling the creation of novel fluorinated compounds with tailored properties for materials science and chemical research.
Chemical Synthesis Intermediate
Serves as a reactive intermediate in the synthesis of various organofluorine compounds, contributing to advancements in agrochemicals, pharmaceuticals, and polymers.
Reagent for Fluorination
Employed in specific chemical reactions requiring the introduction of a stable fluorinated sulfonyl group, facilitating the modification of organic structures.
| Molecular weight | 302.09 |
|---|---|
| Linear formula | CF3(CF2)3SO2F |
| Assay | 96% |
| Boiling point | 64 °C(lit.) |
| Density | 1.682 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.3(lit.) |

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 | Faceshields, full-face respirator (US), Gloves, Goggles, multi-purpose combination respirator cartridge (US) |
|---|---|
| Transport (UN / ADR) | UN 3265 8 / PGII |
| 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 Perfluoro-1-butanesulfonyl fluoride used for?
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Perfluoro-1-butanesulfonyl fluoride is primarily used as a building block in organic synthesis and as an intermediate for creating advanced fluorinated compounds and specialty chemicals.
What are the CAS number and formula for Perfluoro-1-butanesulfonyl fluoride?
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The CAS number is 375-72-4, and the chemical formula is CF3(CF2)3SO2F.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Perfluoro-1-butanesulfonyl fluoride with a minimum assay of 96%. We do not represent this product as USP, BP, or EP grade.
How should Perfluoro-1-butanesulfonyl fluoride be handled?
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Perfluoro-1-butanesulfonyl fluoride is a corrosive substance. Handle with extreme caution, using appropriate personal protective equipment including faceshields, gloves, goggles, and a full-face or multi-purpose respirator. Ensure adequate ventilation and follow all safety recommendations.
How is this chemical shipped and exported?
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Perfluoro-1-butanesulfonyl fluoride is shipped and exported according to international regulations for hazardous materials, designated under UN 3265, Class 8, Packing Group II.
How can I request a sample or quote?
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To request a sample or obtain a quote for Perfluoro-1-butanesulfonyl fluoride, please contact our sales team through the website or by phone.
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