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Silver Trifluoromethanesulfonate
(CAS RN:2923-28-6 Product Number:T1331)


Silver Trifluoromethanesulfonate
Synonym Silver Triflate
Synonym Trifluoromethanesulfonic Acid Silver Salt

General Information

Product Number T1331

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Purity/Analysis Method >98.0%(T)
Storage Temperature
M.F. / M.W. CAgF3O3S=256.93
CAS RN 2923-28-6
Related CAS RN
MDL Number MFCD00013226
Packaging and Container
  • Product Details
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Purity(Precipitation Titration) min. 98.0 %


Beilstein 3(4)34
Reaxys-RN 3598402
PubChem SID 87577100
F&F 12,435
EC Number 220-882-2


Signal Word Warning
Hazard Statements
  • H315
  • :Causes skin irritation.
  • H319
  • :Causes serious eye irritation.
Precautionary Statements
  • P264
  • :Wash hands and face thoroughly after handling.
  • P280
  • :Wear protective gloves, eye protection.
  • P302+P352+P332+P313+P362+P364
  • :IF ON SKIN: Wash with plenty of water. If skin irritation occurs: Get medical advice or attention. Take off contaminated clothing and wash it before reuse.
  • P305+P351+P338+P337+P313
  • :IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice or attention.

Transport Information

HS Number 2843290000


Methylation of Alcohols using Silver(I) Triflate and Methyl Iodide



  • Protection for the Hydroxyl Group, Including 1,2- and 1,3-Diols
    • P. G. M. Wuts, in Greene’s Protective Groups in Organic Synthesis, 5th ed., ed. by P. G. M. Wuts, John Wiley & Sons, Inc., Hoboken, New Jersey, 2014, Chap. 2, 17.

AgOTf/CuI–Co-catalyzed Tandem Alkynylation–Cyclization Reaction of -Iminoisoquinolinium Ylide

Typical procedure (entry 1: R1 = Me, R2 = H, R3 = Ph, R4 = p-MeOC6H4): A mixture of 4-methyl-N'-[5-methyl-2-(phenylethynyl)benzylidene]benzenesulfonohydrazide (77.7 mg, 0.2 mmol) and silver triflate (5.1 mg, 0.02 mmol) in anhydrous 1,2-dichloroethane (0.5 mL) is heated at 70 ºC for 1 h. The mixture is then cooled to room temperature. Copper(I) iodide (3.8 mg, 0.02 mmol) and a solution of DBU (91 mg, 0.6 mmol) and 1-(bromoethynyl)-4-methoxybenzene (63.3 mg, 0.3 mmol) dissolved in 1,2-dichloroethane (2 mL) are added subsequently. The mixture is stirred at 70 ºC overnight. After the reaction, the solvent is evaporated. The residue is diluted with EtOAc (10 mL), washed with H2O (10 mL), and dried over anhydrous MgSO4. Evaporation of the solvent followed by purification on silica gel column chromatography provides 2-(4-methoxyphenyl)-9-methyl-5-phenylpyrazolo[5,1-a]isoquinoline as a white solid (58.3 mg, yield 80 %).


PubMed Literature

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