Tetraethylammonium trifluoromethanesulfonate
Tetraethylammonium trifluoromethanesulfonate (CAS 35895-69-3) is a quaternary ammonium salt with the linear formula (C2H5)4N(CF3SO3) and a molecular weight of 279.32 g/mol. This compound serves as a valuable reagent in chemical synthesis, particularly as an ionic liquid and a phase transfer catalyst. Its properties make it suitable for various specialty synthesis applications in research and industrial settings, facilitating reactions where specific ionic environments or enhanced solubility are required.
- IUPAC
- Trifluoromethanesulfonic acid tetraethylammonium salt

Ionic Liquid Applications
Tetraethylammonium trifluoromethanesulfonate functions as an ionic liquid, offering a non-volatile solvent medium for various chemical transformations. Its ionic nature can influence reaction kinetics and selectivity in organic synthesis.
Phase Transfer Catalysis
As a phase transfer catalyst, this compound facilitates the reaction between reactants located in different phases (e.g., aqueous and organic). It aids in transferring ionic species across phase boundaries, thereby increasing reaction rates.
Specialty Synthesis Reagent
This triflate salt is employed in specialised chemical synthesis pathways. It is utilized in research and development for creating novel compounds or optimising existing synthetic routes in fine chemical and pharmaceutical intermediate production.
| Molecular weight | 279.32 |
|---|---|
| Linear formula | (C2H5)4N(CF3SO3) |
| Assay | ≥98.0% (T) |
| Impurities tested | ≤2% water |

Hazard statements
- H315Causes skin irritation
- H319Causes serious eye irritation
- H335May cause respiratory irritation
Precautionary statements
- P261Avoid breathing dust, fume, gas or vapours
- P305IF IN EYES
| Protective equipment | dust mask type N95 (US), Eyeshields, Gloves |
|---|---|
| Water hazard class (WGK, DE) | 3 |
| Hazard codes (EU) | Xi |
| Risk statements (R) | 36/37/38 |
| Safety statements (S) | 26-36 |
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 trifluoromethanesulfonate used for?
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Tetraethylammonium trifluoromethanesulfonate is primarily used as an ionic liquid and a phase transfer catalyst in chemical synthesis and specialty applications.
What is the CAS number and formula for Tetraethylammonium trifluoromethanesulfonate?
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The CAS number is 35895-69-3 and the linear formula is (C2H5)4N(CF3SO3).
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Tetraethylammonium trifluoromethanesulfonate with a purity of ≥98.0% (T), containing ≤2% water. This is a technical/research grade, and TSS does not represent it as USP, BP, or EP grade.
What are the safety and handling considerations for this chemical?
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This compound is classified as a GHS07 irritant and carries a Warning signal word. It causes skin irritation (H315), serious eye irritation (H319), and may cause respiratory irritation (H335). Appropriate personal protective equipment, including a dust mask (type N95), eyeshields, and gloves, should be used. Avoid breathing dust.
How is Tetraethylammonium trifluoromethanesulfonate packed, shipped, and exported?
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Tech Serve Solutions expertly packs, ships, and exports chemicals globally, adhering to all relevant regulations to ensure safe and compliant delivery worldwide.
How can I request a sample or a quote for this product?
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To request a sample or obtain a quotation for Tetraethylammonium trifluoromethanesulfonate, please contact our sales team through the website or by phone.
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