Description

Silver trifluoromethanesulfonate (CAS: 2923-28-6) is a highly versatile and reactive organometallic compound with the molecular formula CAgF3O3S. This white crystalline solid is widely recognized for its exceptional catalytic properties and solubility in polar organic solvents, making it a preferred choice in synthetic chemistry applications. As a triflate salt, it serves as an excellent source of the trifluoromethanesulfonate anion (OTf^–), known for its weak coordinating ability and stability under harsh reaction conditions. With a purity of ≥99% (trace metals basis), this reagent is ideal for demanding laboratory and industrial processes requiring high-performance catalysts or reagents. Silver trifluoromethanesulfonate is hygroscopic and should be stored under inert conditions to maintain its reactivity and shelf life.

Properties

• CAS Number: 2923-28-6
• Complexity: 145
• IUPAC Name: silver;trifluoromethanesulfonate
• InChI: InChI=1S/CHF3O3S.Ag/c2-1(3,4)8(5,6)7;/h(H,5,6,7);/q;+1/p-1
• InChI Key: QRUBYZBWAOOHSV-UHFFFAOYSA-M
• Exact Mass: 255.85712
• Molecular Formula: CAgF3O3S
• Molecular Weight: 256.94
• SMILES: C(F)(F)(F)S(=O)(=O)[O-].[Ag+]
• Topological: 65.6
• Monoisotopic Mass: 255.85712
• Physical Description: Colorless hygroscopic liquid;
• Synonyms: Silver trifluoromethanesulfonate, 2923-28-6, Silver(I) trifluoromethanesulfonate, Silver trifluoromethanesulphonate, Silver trifluoromethylsulfonate, Methanesulfonic acid, trifluoro-, silver(1+) salt, EINECS 220-882-2, NSC 225087, DTXSID5062716, Trimsylate, AgOTf cpd, Fluorad FC 24, CF3-SO3H, trifluoromethanesulfonic acid, silver (+1) salt, DTXCID4037958, silver trifluoromethanesulfonic acid, Trifluoromethanesulfonic acid solution, UM3261, ARGENTIO TRIFLUOROMETHANESULFONATE, Methanesulfonic acid, trifluoro, silver(1+) salt, Methanesulfonic acid, trifluoro-(6ci,7ci,8ci,9ci), Methanesulfonic acid, 1,1,1trifluoro, silver(1+) salt (1:1), 220-882-2, 1493-13-6, trifluormethansulfonsaeure, Silver triflate, agotf, Trifluoromethanesulfonic acid silver salt, Methanesulfonic acid, 1,1,1-trifluoro-, silver(1+) salt (1:1), UK2MGY9YSF, MFCD00013226, silver trifluoromethane sulfonate, silver(i)trifluoromethanesulfonate, Trifluoromethanesulfonic acid (silver), silver(1+) ion trifluoromethanesulfonate, CAgF3O3S, NSC-225087, silver(1+) trifluoromethanesulfonate, Silver (I) Trifluoromethane Sulfonate, silver,trifluoromethanesulfonate, silver;trifluoromethanesulfonate, TEMPO, freeRadical, silver-(I)-triflate, UNII-UK2MGY9YSF, silver trifluoromethansulfonate, SCHEMBL117027, silver triflouromethanesulfonate, silver trifluoromethane-sulfonate, silver trifluoro-methanesulphonate, silver(I)trifluoromethanesulphonate, silver(i) trifluoromethanesulphonate, TRIFLUOROMETHYLSULFONYLOXYSILVER, AKOS009087791, FS43297, GS-6786, HY-W020983, trifluormethanesulfonic acid silver salt, SILVER (TRIFLUOROMETHYL)SULFONATE, Silver trifluoromethanesulfonate, >=99%, DB-009810, CS-0035255, NS00083428, Silver trifluoromethanesulfonate (AgCF3SO3), T1331, EN300-23844, Q8215055, Silver trifluoromethanesulfonate, purum, >=98.0% (Ag), Silver trifluoromethanesulfonate, >=99.95% trace metals basis, Silver trifluoromethanesulfonate, Trace metals grade, 99.95%, Silver trifluoromethanesulfonate (99.95%-Ag) (Silver triflate)

Silver trifluoromethanesulfonate is extensively used as a Lewis acid catalyst in organic synthesis, particularly in glycosylation, Friedel-Crafts alkylation, and Diels-Alder reactions. Its weak nucleophilic counterion makes it invaluable for stabilizing reactive cationic intermediates in polymerization and electrophilic aromatic substitution. Researchers also employ it in the preparation of silver nanoparticles and as a precursor for other silver-based catalysts. In material science, it serves as a key component in conductive inks and electrochemical applications.

Safety and Hazards

GHS Hazard Statements

• H319: Causes serious eye irritation [Warning Serious eye damage/eye irritation]

Precautionary Statements

• P264+P265, P280, P305+P351+P338, and P337+P317

Hazard Classes and Categories

• Met. Corr. 1 (92.8%)
• Acute Tox. 4 (99.5%)
• Skin Corr. 1B (100%)
• STOT SE 3 (96.8%)

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