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CAS RN: 2923-28-6 | Product Number: T1331

Silver Trifluoromethanesulfonate

Purity: >98.0%(T)
Deleterious substance
  • Silver Triflate
  • Trifluoromethanesulfonic Acid Silver Salt
≥20  ≥20  Contact Us
≥20  4   Contact Us
12   ≥20  Contact Us
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Product Number T1331
Purity / Analysis Method >98.0%(T)
Molecular Formula / Molecular Weight CAgF__3O__3S = 256.93  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Light Sensitive,Air Sensitive
CAS RN 2923-28-6
Reaxys Registry Number 3598402
PubChem Substance ID 87577100
MDL Number


Appearance White to Light yellow powder to crystal
Purity(Precipitation Titration) min. 98.0 %
Properties (reference)
Solubility in water Soluble
Pictogram Pictogram
Signal Word Warning
Hazard Statements H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ eye protection/ face protection.
P302 + P352 : IF ON SKIN: Wash with plenty of water.
P337 + P313 : If eye irritation persists: Get medical advice/ attention.
P305 + P351 + P338 : IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing.
P362 + P364 : Take off contaminated clothing and wash it before reuse.
P332 + P313 : If skin irritation occurs: Get medical advice/ attention.
Related Laws:
PRTR Law (New Specific Chemical) Class 1 Designated Chemical Substances
Poisonous or Deleterious Deleterious substance
Transport Information:
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 N-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 °C 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 °C 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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