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Bis(trifluoromethane)sulfonimide lithium salt

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Bis(trifluoromethylsulfonyl)amine lithium salt, Lithium bistrifluoromethanesulfonimidate
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CAS Number:
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234-238 °C (lit.)

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Bis(trifluoromethane)sulfonimide lithium salt (Li-TFSI) can be used:
  • As a chemical additive for improving the power conversion efficiencies in porphyrin-based organic solar cells.     
  • As a reagent in the preparation of imidazolium core bearing monomer ionic liquids to develop polymerized ionic liquids.
  • For the preparation of a chiral imidazolium salt via anion metathesis of the corresponding triflate.       
  • In the synthesis of solid polymer electrolytes for lithium-ion batteries. 
  • In the synthesis of polyelectrolyte reusable homogenous catalysts, which are used in the Diels–Alder reactions between isoprene and a variety of dienophiles.
  • Used in the preparation of electrolytes for lithium batteries and novel rare-earth Lewis acid catalysts.

Other Notes

For a review on fluorine containing nitrogen acids, see Coordination Chemistry Reviews.

Signal Word


Hazard Classifications

Acute Tox. 3 Dermal - Acute Tox. 3 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Skin Corr. 1B - STOT RE 2 Oral

Target Organs

Nervous system

Storage Class Code

6.1B - Non-combustible, acute toxic Cat. 1 and 2 / very toxic hazardous materials



Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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C Roux et al.
Journal of physics. Condensed matter : an Institute of Physics journal, 8(38), 7005-7017 (1999-01-01)
The physical properties of the ionic conductor [Formula: see text], obtained by dissolution of lithium trifluoromethanesulphonylimide in poly(propylene oxide), have been investigated for several values of n. The glass transition temperature [Formula: see text] has been established from both DSC
Some fluorine-containing nitrogen acids and their derivatives
Vij A, et al.
Coordination Chemistry Reviews, 158, 413-413 (1997)
Reliability of lithium batteries with crosslinked polymer electrolytes
Borghini MC, et al.
Electrochimica Acta, 41, 2369-2369 (1996)
Nanocomposites of titanium dioxide and polystyrene-poly (ethylene oxide) block copolymer as solid-state electrolytes for lithium metal batteries
Gurevitch I, et al.
Journal of the Electrochemical Society, 160(9), A1611-A1617 (2013)
New chiral imidazolium ionic liquids: 3D-network of hydrogen bonding
Jodry JJ and Mikami K
Tetrahedron Letters, 45, 4429-4429 (2004)


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