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Sodium trifluoromethanesulfonate

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Sodium trifluoromethanesulfonate Basic information

Product Name:
Sodium trifluoromethanesulfonate
Synonyms:
  • SODIUM TRIFLATE
  • SODIUM TRIFLATE TRIFLUOROMETHANESULFONIC ACID, SODIUM SALT
  • SODIUM TRIFLUOROMETHANESULFONATE
  • SODIUM TRIFLUOROMETHANESULPHONATE
  • TRIFLUOROMETHANESULFONIC ACID SODIUM SALT
  • SodiuM trifluoroMethanesulfonate, 98% 5GR
  • Sodium trifluoromethanesulphonate 98%
  • Sodiumtrifluoromethanesulphonate98%
CAS:
2926-30-9
MF:
CF3NaO3S
MW:
172.06
Product Categories:
  • triflate
Mol File:
2926-30-9.mol
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Sodium trifluoromethanesulfonate Chemical Properties

Melting point:
253-255 °C (lit.)
storage temp. 
Inert atmosphere,Room Temperature
form 
Powder
color 
White to off-white
Water Solubility 
soluble
Sensitive 
Hygroscopic
Hydrolytic Sensitivity
0: forms stable aqueous solutions
BRN 
3728797
InChIKey
KKVTYAVXTDIPAP-UHFFFAOYSA-M
CAS DataBase Reference
2926-30-9(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi,C,Xn
Risk Statements 
36/37/38-20/21/22
Safety Statements 
26-37/39
WGK Germany 
3
3-10
Hazard Note 
Corrosive
TSCA 
No
HS Code 
29049090

MSDS

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Sodium trifluoromethanesulfonate Usage And Synthesis

Description

Sodium trifluoromethanesulfonate is commonly known as trifluoromethanesulfonic acid or TFMS. Possessing unique properties, TFMS is water-soluble, anionic, and boasts a range of valuable attributes. As a colorless, odorless, and non-toxic substance, TFMS finds widespread use as a reagent in organic synthesis, a catalyst in industrial applications, and a buffer in various biochemical experiments. In scientific research, TFMS stands out due to its robust acidity, enabling it to act as a potent catalyst in organic synthesis. Additionally, it effectively serves as a reliable buffer at pH levels, ensuring precise pH maintenance in biochemical experiments. As an anionic compound, TFMS functions as a strong acid in solution, facilitating the donation of protons to other molecules, thus reducing the pH.

Chemical Properties

White to off-white powder

Uses

Sodium trifluoromethanesulfonate is used in the preparation of N-fluoro-2-methylpyridinium triflate by reaction with dinitrogen difluoride as a reagent. It is also used as a chaotropic mobile phase additive in reversed-phase liquid chromatography (RP-LC).

Uses

Sodium trifluoromethanesulfonate can be employed as a reagent for the preparation of:

  • Aryl fluorides via silver-catalyzed fluorination of arylstannanes.
  • Ionic liquids such as N, N -dialkylpyrrolidinium triflate, N,N-dialkylimidazolium triflate, and N-alkylpyridinium triflate.

It can be also used as supporting electrolyte in electrochemical O-glycosylation of primary alcohols with O-protected thioglycosides.

Preparation

Sodium trifluoromethanesulfonate is prepared by adding a slight excess of sodium sulfate to an aqueous solution of barium trifluoromethanesulfonate. The reaction mixture is stirred for several minutes and allowed to stand for one day, and the white precipitate of barium sulfate is removed by filtration. The clear filtrate is evaporated to dryness, and the solid product is recrystallized from dry acetone. The salt is dried under vacuum at 110?°C.1 Barium trifluoromethanesulfonate can be easily prepared from aqueous trifluoromethanesulfonic acid and barium carbonate. Other methods include the preparation of sodium trifluoromethane sulfonate from sodium dithionite and bromotrifluoromethane and its oxidation to sodium trifluoromethane sulfonate using hydrogen peroxide.

General Description

Sodium trifluoromethanesulfonate (Sodium triflate or NaOTf) is an efficient catalyst as well as a reagent in many organic reactions. The prominent application includes catalytic asymmetric Mannich-type reactions, Mannich-type reactions in water, and Diels-Alder reactions.

Solubility in organics

soluble in water, alcohol, acetonitrile, N,N-dimethylformamide, and most highly polar organic solvents.

Sodium trifluoromethanesulfonate Preparation Products And Raw materials

Raw materials

Preparation Products

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