1-Ethyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide
1-Ethyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide (CAS 216299-76-2) is a fluorinated ionic liquid with the chemical formula C10H11F10N3O4S2 and a molecular weight of 491.33 g/mol. This compound is recognised for its unique physicochemical properties, making it valuable in various chemical synthesis applications. Its high thermal stability and electrochemical window also lend themselves to specialised research and industrial processes.
- IUPAC
- EMIMBeTi

Chemical Synthesis
This ionic liquid serves as a versatile solvent or catalyst in various organic synthesis reactions. Its properties can influence reaction rates and selectivities.
Electrolyte Component
Due to its ionic nature and electrochemical stability, it is explored for use in electrochemical devices and systems as a potential electrolyte.
Specialty Synthesis
The unique characteristics of this compound make it suitable for niche applications in specialty chemical manufacturing and advanced material development.
| Molecular weight | 491.33 |
|---|---|
| Empirical formula | C10H11F10N3O4S2 |
| Assay | ≥97.0% (H-NMR) |
| Impurities tested | ≤0.5% water |
| Melting point | ≤−1 °C(lit.) |
| Protective equipment | Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
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-Ethyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide used for?
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It is primarily used in chemical synthesis, as an electrolyte component, and in specialty synthesis applications.
What is the CAS number and formula for 1-Ethyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide?
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The CAS number is 216299-76-2 and the empirical formula is C10H11F10N3O4S2.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies this compound at a purity of ≥97.0% (H-NMR), with ≤0.5% water as an impurity. We do not represent this as USP, BP, or EP grade.
What are the safety and handling considerations?
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This compound requires the use of eyeshields and gloves for safe handling. It has a water solubility classification (WGK Germany) of 3.
How is this chemical packed and shipped?
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As a global supplier, Tech Serve Solutions exports this chemical and adheres to all necessary shipping regulations for its safe and compliant transport.
How can I request a sample or quote?
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Please contact our sales team through the website or by phone to request a sample or a quote for 1-Ethyl-3-methylimidazolium bis(pentafluoroethylsulfonyl)imide.
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