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52193-54-1 - Pyridinium trifluoromethanesulfonate, 97% - Pyridinium triflate - H55659 - Alfa Aesar

H55659 Pyridinium trifluoromethanesulfonate, 97%

CAS Number
Pyridinium triflate

Size Price ($) Quantity Availability
5g 35.95
25g 126.56
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Pyridinium trifluoromethanesulfonate, 97%


Chemical Properties

Formula Weight
Melting point
It is miscible with water, soluble in polar solvents.


Pyridinium trifluoromethanesulfonate, esters are used as a catalyst for the reactions of: condensation of alcohols and carboxylic acids, reaction of aromatic compounds with sulfonyl chlorides, cracking of alkanes, alkylation of alkenes, isomerisation of alkanes and trans-alkylation of aromatics, trans-bromination and other Friedel-Crafts reactions.


Store in cool place. Keep container tightly closed in a dry and well-ventilated place. Stable under recommended storage conditions. Keep away from strong oxidizing agents.

Literature References

L Balogh.; L Samuelson.; KS Alva. Synthesis, homopolymerization, and block copolymerization of N-ethyl-2-ethynyl-pyridinium trifluoromethanesulfonate with styrene and butadiene. Journal of Polymer Science. 199836 (5), 703-712.

A Marciniak.; M Wlazlo. Activity coefficients at infinite dilution measurements for organic solutes and water in the ionic liquid 1-butyl-3-methyl-pyridinium trifluoromethanesulfonate. Journal of Chemical & Engineering Data. 201055 (9), 3208-3211.

GHS Hazard and Precautionary Statements

Hazard Statements: H302-H312-H332-H315-H319-H335

Harmful if swallowed. Harmful in contact with skin. Harmful if inhaled. Causes skin irritation. Causes serious eye irritation. May cause respiratory irritation.

Precautionary Statements: P261-P280-P305+P351+P338-P304+P340-P362-P301+P312-P312-P363-P405-P501a

Avoid breathing dust/fume/gas/mist/vapours/spray. Wear protective gloves/protective clothing/eye protection/face protection. IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. IF INHALED: Remove to fresh air and keep at rest in a position comfortable for breathing. Take off contaminated clothing and wash before reuse. IF SWALLOWED: Call a POISON CENTER or doctor/physician if you feel unwell. Wash contaminated clothing before reuse. Store locked up. Dispose of contents/container in accordance with local/regional/national/international regulations.

Other References

Harmonized Tariff Code


  • A12918

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  • A14388

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  • B21322

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  • B22658

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  • L09342

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