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Potassium trifluoromethanesulfonate

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Potassium trifluoromethanesulfonate Basic information

Product Name:
Potassium trifluoromethanesulfonate
Synonyms:
  • POTASSIUM TRIFLATE
  • POTASSIUM TRIFLUOROMETHANESULFONIC ACID
  • POTASSIUM TRIFLUOROMETHANESULPHONATE
  • TRIFLUOROMETHANESULFONIC ACID POTASSIUM SALT
  • Potassium trifluoromethanesulfonate, pure, 99%
  • Potassium trifluoromethanesulphonate 99%
  • Potassiumtrifluoromethanesulphonate99%
  • POTASSIUM TRIFLUOROMETHANESULFONATE (SEE 2983)
CAS:
2926-27-4
MF:
CF3KO3S
MW:
188.17
EINECS:
207-009-0
Product Categories:
  • Building Blocks
  • Chemical Synthesis
  • Organic Building Blocks
  • Sulfonic/Sulfinic Acid Salts
  • Sulfur Compounds
  • triflate
  • Catalysts for Organic Synthesis
  • Homogeneous Catalysts
  • Metal Triflates
  • Synthetic Organic Chemistry
Mol File:
2926-27-4.mol
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Potassium trifluoromethanesulfonate Chemical Properties

Melting point:
238.5°C
storage temp. 
Inert atmosphere,Room Temperature
form 
solid
color 
White to Almost white
Water Solubility 
Soluble in water.
Sensitive 
Hygroscopic
Hydrolytic Sensitivity
6: forms irreversible hydrate
BRN 
3727495
InChI
InChI=1S/CHF3O3S.K/c2-1(3,4)8(5,6)7;/h(H,5,6,7);/q;+1/p-1
InChIKey
GLGXXYFYZWQGEL-UHFFFAOYSA-M
SMILES
C(F)(F)(F)S([O-])(=O)=O.[K+]
CAS DataBase Reference
2926-27-4(CAS DataBase Reference)
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Safety Information

Hazard Codes 
Xi,C
Risk Statements 
36/37/38
Safety Statements 
26-36
WGK Germany 
3
3-10
TSCA 
No
HazardClass 
CORROSIVE
HS Code 
29049090

MSDS

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Potassium trifluoromethanesulfonate Usage And Synthesis

Chemical Properties

white crystals or crystalline powder

Uses

Potassium trifluoromethanesulfonate is used as a reagent in the synthesis of guanine-quadruplex hybrid materials. It acts as a supporting electrolyte in the electrochemical study of evidence for gold anion in ethylenediamine. It is involved in the preparation of N-fluoro-2,4,6-trimethylpyridinium triflate by reacting with 2,4,6-trimethyl-pyridine. Further, it is used in the preparation of imidazolium salt, 3-methyl-1-(3R,3aR,6S,6aR)-[6-(benzyloxy)-hexahydrofuro[3,2-b]furan-3-yl]imidazolium trifluoromethanesulfonate.

Uses

Potassium trifluoromethanesulfonate is used in studies of mixed alkali effects and short range interactions in poly(ethylene oxide) electrolytes,1 and characteristics of the electrochemical behavior of glassy carbon in super-acid media.

General Description

Potassium trifluoromethanesulfonate (KOTf, potassium triflate) is the potassium salt of trifluoromethanesulphonic acid. It has been prepared by neutralizing a warm aqueous solution of trifluoromethanesulphonic acid with potassium carbonate. The structure of siloxane–poly(oxyethylene) hybrids doped with potassium triflate has been investigated.

structure and hydrogen bonding

According to the results of temperature dependent powder diffractometry potassium trifluoromethanesulfonate is dimorphic. The phase transition occurs between -63 degreesC and 45 degreesC. The low-temperature modification crystallizes monoclinic with a=10.300(3)Angstrom, b = 6.052(1) Angstrom, c = 14.710(4) Angstrom, beta =111.83(2)degrees (-120 degreesC) and the room-temperature modification with a=10.679(5) Angstrom, b=5.963(2)Angstrom, c=14.624(5)Angstrom, beta =111.57(3)degrees, Z=6, P2(1). According to single crystal structure determination, potassium trifluoromethanesulfonate consists of three different potassium-oxygen-coordination polyhedra, linked by sulfur atoms of the trifluoromethanesulfonate groups. This results in a channel structure with all lipophilic trifluoromethane groups pointing into these channels[1].

References

[1] Korus, G. , and M. Jansen . "Crystal structure, phase transition, and potassium ion conductivity of potassium trifluoromethanesulfonate." (2001).

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