Tetraethylammonium bistrifluoromethanesulfonimidate
Tetraethylammonium bistrifluoromethanesulfonimidate (CAS 161401-26-9) is an ammonium salt with the linear formula (CH3CH2)4N[N(SO2CF3)2] and a molecular weight of 410.40 g/mol. This compound is primarily utilised in electrochemical applications as a supporting electrolyte due to its high ionic conductivity and electrochemical stability. It also finds use as a phase transfer catalyst in various chemical synthesis processes, offering an efficient route for reactions involving immiscible phases.
- IUPAC
- Bistrifluoromethanesulfonimide tetraethylammonium salt
- Synonyms
- Bistrifluoromethanesulfonimide tetraethylammonium salt

Electrochemistry
Serves as a crucial supporting electrolyte in electrochemical studies and devices. Its excellent ionic conductivity and wide electrochemical window make it suitable for batteries, supercapacitors, and electrochemical sensors.
Chemical Synthesis
Acts as a phase transfer catalyst, facilitating reactions between reactants in different phases. This can lead to improved yields and reaction rates in organic synthesis.
Analytical Reagent
Utilised in analytical chemistry, particularly in chromatography, due to its specific chemical properties. It aids in the separation and analysis of various chemical species.
| Molecular weight | 410.40 |
|---|---|
| Linear formula | (CH3CH2)4N[N(SO2CF3)2 |
| Assay | ≥99.0% (T)≥99.0% |
| Grade | for electronic purposes |
| Melting point | 106-110 °C |

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 3261 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 Tetraethylammonium bistrifluoromethanesulfonimidate used for?
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Tetraethylammonium bistrifluoromethanesulfonimidate (CAS 161401-26-9) is primarily used as a supporting electrolyte in electrochemistry and as a phase transfer catalyst in chemical synthesis. It also functions as an analytical reagent.
What is the CAS number and chemical formula?
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The CAS number for Tetraethylammonium bistrifluoromethanesulfonimidate is 161401-26-9, and its linear formula is (CH3CH2)4N[N(SO2CF3)2].
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetraethylammonium bistrifluoromethanesulfonimidate with a purity of ≥99.0% (T) and ≥99.0%, specified for electronic purposes.
How should this chemical be handled safely?
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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 eyeshields, face shields, gloves, and respiratory protection. Ensure adequate ventilation.
How is this product packed and shipped?
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Tetraethylammonium bistrifluoromethanesulfonimidate is shipped under UN 3261, Hazard Class 8, Packing Group II. TSS adheres to all international shipping regulations for hazardous materials.
How can I request a sample or quote?
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To request a sample or a quotation for Tetraethylammonium bistrifluoromethanesulfonimidate, please contact our sales team through our website or via direct inquiry, providing your specific requirements.
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