2,2,2-Trifluoroethyl perfluorobutylsulfonate
2,2,2-Trifluoroethyl perfluorobutylsulfonate (CAS 79963-95-4) is a specialized organofluorine compound with the linear formula CF3(CF2)3SO3CH2CF3 and a molecular weight of 382.12 g/mol. This sulfonate ester is valuable in organic synthesis as a building block, particularly in the introduction of fluorinated moieties. Its unique structure makes it suitable for applications requiring enhanced thermal stability and specific electronic properties in advanced materials and chemical research.
- Synonyms
- 79963-95-4, CF3(CF2)3SO3CH2CF3

Organic Synthesis Intermediate
Serves as a key building block in complex organic synthesis routes, enabling the construction of novel fluorinated molecules. Its structure facilitates the incorporation of trifluoroethoxy and perfluorobutylsulfonyl groups into target compounds.
Materials Science Research
The perfluorinated nature of this compound suggests potential applications in developing advanced materials, such as specialty polymers or surface modifiers, where high thermal stability and chemical resistance are paramount.
Fluorinated Reagent
Utilized in research and development settings for reactions requiring a source of fluorinated alkyl chains or sulfonate functionalities. Its specific reactivity profile is of interest in custom synthesis projects.
| Molecular weight | 382.12 |
|---|---|
| Linear formula | CF3(CF2)3SO3CH2CF3 |
| Assay | 95% |
| Density | 1.636 g/mL at 25 °C(lit.) |
| Refractive index | n20/D 1.326(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), type ABEK (EN14387) respirator filter |
|---|---|
| Flash point | 71 °C / 159.8 °F |
| 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 2,2,2-Trifluoroethyl perfluorobutylsulfonate used for?
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This compound is primarily used as a building block in organic synthesis and in materials science research, particularly for introducing fluorinated moieties into molecules and developing specialized materials.
What is the CAS number and formula for 2,2,2-Trifluoroethyl perfluorobutylsulfonate?
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The CAS number is 79963-95-4 and the linear formula is CF3(CF2)3SO3CH2CF3.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this chemical with an assay of 95%. We do not represent this product as USP, BP, or EP grade.
How should 2,2,2-Trifluoroethyl perfluorobutylsulfonate be handled?
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This compound is classified as Danger (GHS05) and causes severe skin burns and eye damage (H314). Handle with appropriate personal protective equipment including full-face respirators, gloves, goggles, and chemical-resistant clothing. Ensure adequate ventilation and consult the Safety Data Sheet before use.
How is 2,2,2-Trifluoroethyl perfluorobutylsulfonate packed, shipped, and exported?
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This chemical is shipped as a UN 3265, Class 8, Packing Group II hazardous material. Tech Serve Solutions is an experienced global supplier and exporter, adhering to all relevant international shipping regulations.
How can I request a sample or quote for 2,2,2-Trifluoroethyl perfluorobutylsulfonate?
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Please contact our sales team directly via phone or email to request a sample or a quotation. We will respond promptly to your inquiry.
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