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CAS RN: 62086-04-8 | Product Number: T1194

Tin(II) Trifluoromethanesulfonate

Purity: >90.0%(T)
  • Stannous Trifluoromethanesulfonate
  • Tin(II) Triflate
  • Trifluoromethanesulfonic Acid Tin(II) Salt
1   ≥20 
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This product was sufficiently dried at the time of manufacture. For further activation, please re-dry under reduced pressure at 100 deg C for 3 hours and use in a fume hood. Opened bottles should be stored in a refrigerator with inert gas such as argon to remove moisture in the air.

Product Number T1194
Purity / Analysis Method >90.0%(T)
Molecular Formula / Molecular Weight C__2F__6O__6S__2Sn = 416.84  
Physical State (20 deg.C) Solid
Store Under Inert Gas Store under inert gas
Condition to Avoid Hygroscopic
CAS RN 62086-04-8
Reaxys Registry Number 11552396
PubChem Substance ID 87576975
MDL Number


Appearance White to Almost white powder to crystal
Purity(Iodometric Titration) min. 90.0 %
Properties (reference)
Pictogram Pictogram
Signal Word Danger
Hazard Statements H301 + H311 + H331 : Toxic if swallowed, in contact with skin or if inhaled.
H315 : Causes skin irritation.
H319 : Causes serious eye irritation.
Precautionary Statements P261 : Avoid breathing dust/ fume/ gas/ mist/ vapours/ spray.
P264 : Wash skin thoroughly after handling.
P280 : Wear protective gloves/ protective clothing/ eye protection/ face protection.
P301 + P310 + P330 : IF SWALLOWED: Immediately call a POISON CENTER/doctor. Rinse mouth.
P302 + P352 + P312 : IF ON SKIN: Wash with plenty of water. Call a POISON CENTER/doctor if you feel unwell.
P403 + P233 : Store in a well-ventilated place. Keep container tightly closed.
Related Laws:
Transport Information:
UN Number UN3146
Class 6.1
Packing Group III
HS Number 2904100090
Mild Lewis Acid


A Sn(OTf)2-mediated Diastereoselective Vinylogous Mannich-type Reaction of Chiral Imines

Typical procedure (synthesis of (1), R = cyclohexyl): To a flask containing (R)- 1-(1-naphthyl)ethylamine (186 mg) in dried dichloromethane (0.1 M) solution add MS4A (500 mg) followed by cyclohexanecarboxaldehyde (112 mg). After stirring at room temperature for 30 min, 1-methoxy-1-trimethylsilyloxy-1,3-butadiene (258 mg) is added and the mixture solution is cooled to -78 °C. Sn(OTf)2 (412 mg) is then added and the reaction is stirred at this temperature for 8 h. The reaction temperature is raised to -30 °C and kept at the same temperature overnight. The reaction is quenched with a saturated aqueous solution of sodium bicarbonate and the solid is removed via filtration. The reaction mixture is then extracted with ethyl acetate (15 mL x 5). The combined organic phase is dried over sodium sulfate. After concentration, the crude product (dr = 8:1) is purified by silica gel chromatography (eluent: ethyl acetate/hexane = 5/1) to give the major isomer of (1) (258 mg, 71 % yield).


PubMed Literature


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