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Sigma-Aldrich

Lithium trifluoromethanesulfonate

96%

Synonym(s):

LiTf, Lithium triflate, Trifluoromethanesulfonic acid lithium salt

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About This Item

Linear Formula:
CF3SO3Li
CAS Number:
33454-82-9
Molecular Weight:
156.01
Beilstein:
4301818
EC Number:
251-528-5
MDL number:
MFCD00013227
UNSPSC Code:
12352302
PubChem Substance ID:
24857061
NACRES:
NA.22

Assay

96%

form

powder

mp

>300 °C (lit.)

SMILES string

[Li+].[O-]S(=O)(=O)C(F)(F)F

InChI

1S/CHF3O3S.Li/c2-1(3,4)8(5,6)7;/h(H,5,6,7);/q;+1/p-1

InChI key

MCVFFRWZNYZUIJ-UHFFFAOYSA-M

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Application

Lithium trifluoromethanesulfonate can be used:
  • As an electrolyte salt to determine the thermal stability of graphite anodes in Li-ion batteries.
  • For the synthesis of solid polymer electrolytes with polyethylene oxide and chitosan, having potential applications in solid state batteries.
  • As a source of triflate anion (CF3SO3−) to synthesize ionic liquids for further syntheses of conducting polymer electrolytes.

Pictograms

Exclamation mark
GHS07

Signal Word

Warning

Hazard Statements

H315,H319,H335

Hazard Classifications

Eye Irrit. 2 - Skin Irrit. 2 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

11 - Combustible Solids

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Ion conducting behaviour of polymer electrolytes containing ionic liquids.
Singh B and Sekhon SS
Chemical Physics Letters, 414(1-3), 34-39 (2005)
Solid polymer electrolytes based on polyethylene oxide and lithium trifluoro-methane sulfonate (PEO-LiCF3SO3): Ionic conductivity and dielectric relaxation.
Karan NK, et al.
Solid State Ionics, 179(19-20), 689-696 (2008)
The influence of lithium salt on the interfacial reactions controlling the thermal stability of graphite anodes.
Andersson AM, et al.
Electrochimica Acta, 47(12), 1885-1898 (2002)
FTIR studies of chitosan acetate based polymer electrolytes.
Osman Z and Arof AK
Electrochimica Acta, 48(8), 993-999 (2003)
Guangmin Zhou et al.
Nature communications, 6, 7760-7760 (2015-07-18)
Lithium-sulphur batteries with a high theoretical energy density are regarded as promising energy storage devices for electric vehicles and large-scale electricity storage. However, the low active material utilization, low sulphur loading and poor cycling stability restrict their practical applications. Herein
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