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Bis(trifluoromethane)sulfonimide lithium salt

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Bis(trifluoromethylsulfonyl)amine lithium salt, Lithium bistrifluoromethanesulfonimidate
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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.



Hazard Classifications

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


Nervous system

Storage Class

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




Not applicable


Not applicable


Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges

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Poly (ethylene oxide carbonates) solid polymer electrolytes for lithium batteries
Meabe L, et al.
Electrochimica Acta, 264, 367-375 (2018)
3-[2-(Oxiran-2-yl) ethyl]-1-{4-[(2-oxiran-2-yl) ethoxy] benzyl} imidazolium bis (Trifluoromethane) sulfonimide
Chardin C, et al.
Molbank, 2018(1), M974-M974 (2018)
Susana Arrechea et al.
Nanoscale, 8(41), 17953-17962 (2016-10-21)
Two new conjugated acceptor-π-donor-π-acceptor (A-π-D-π-A) porphyrins have been synthesised using 3-ethylrhodanine (1a) or dicyanovinylene (1b) groups as acceptor units. Their optical and electrochemical properties made these materials excellent electron donors along with PC71BM as the acceptor for solution-processed bulk heterojunction
An appraisal of tetraethylsulfamide as plasticizer for poly (ethylene oxide)- LiN (CF3SO2)2 rubbery electrolytes
Labreche C, et al.
Macromolecules, 29, 7795-7795 (1996)
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


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