Ammonium trifluoromethanesulfonate
Ammonium trifluoromethanesulfonate (CAS: 38542-94-8), with the chemical formula CF3SO3NH4, is a salt of trifluoromethanesulfonic acid. This white crystalline solid, also known as ammonium triflate, possesses a molecular weight of 167.11 g/mol. It is primarily utilised as a precursor and reagent in chemical synthesis, finding applications in various research and industrial processes requiring its specific chemical properties. TSS supplies this compound as crystals and lumps with a purity of 99%.
- IUPAC
- Ammonium triflate
- Synonyms
- Ammonium triflate

Chemical Synthesis Reagent
Ammonium trifluoromethanesulfonate serves as a valuable reagent in organic and inorganic synthesis. Its triflate anion is a good leaving group, facilitating various reaction pathways.
Catalysis
This compound can be employed in catalytic applications, particularly in reactions where a strong Lewis acid or a source of triflate ions is beneficial. Its applications span materials science and chemical research.
Materials Science
It finds utility in the development and research of novel materials, contributing to advancements in areas such as metal and ceramic science due to its unique ionic structure.
| Molecular weight | 167.11 |
|---|---|
| Linear formula | CF3SO3NH4 |
| Assay | 99% |
| Form | crystals and lumps |
| Melting point | 224-226 °C(lit.) |

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) | 26-37/39 |
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 Ammonium trifluoromethanesulfonate used for?
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Ammonium trifluoromethanesulfonate is primarily used as a reagent and precursor in chemical synthesis, catalysis, and materials science research.
What is the CAS number and chemical formula for Ammonium trifluoromethanesulfonate?
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The CAS number is 38542-94-8 and the chemical formula is CF3SO3NH4.
What grade and purity does Tech Serve Solutions supply?
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Tech Serve Solutions supplies Ammonium trifluoromethanesulfonate with an assay of 99%, typically in the form of crystals and lumps. This is a technical/research grade; TSS does not represent it as USP, BP, or EP grade.
What are the main safety hazards associated with Ammonium trifluoromethanesulfonate?
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Ammonium trifluoromethanesulfonate is classified as a Warning substance, with hazard statements H315 (causes skin irritation), H319 (causes serious eye irritation), and H335 (may cause respiratory irritation). Appropriate personal protective equipment, including a dust mask (N95), eyeshields, and gloves, should be used when handling. Always refer to the Safety Data Sheet for comprehensive handling information.
How is Ammonium trifluoromethanesulfonate packed and shipped?
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The compound is supplied as crystals and lumps. For export, it is carefully packaged according to international shipping regulations to ensure safe transit.
How can I request a quote or sample for Ammonium trifluoromethanesulfonate?
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To request a quote or a sample, please contact the TSS sales team via our website or by phone, providing your specific requirements and shipping details.
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