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Sigma-Aldrich

Bis(trifluoromethane)sulfonimide lithium salt

puriss., ≥99.0% (19F-NMR)

Synonym(s):

LiTFSI, Bis(trifluoromethylsulfonyl)amine lithium salt, Lithium bistrifluoromethanesulfonimidate

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About This Item

Linear Formula:
CF3SO2NLiSO2CF3
CAS Number:
Molecular Weight:
287.09
Beilstein/REAXYS Number:
6625414
EC Number:
MDL number:
UNSPSC Code:
12352100
PubChem Substance ID:
NACRES:
NA.22

grade

puriss.

assay

≥99.0% (19F-NMR)

form

powder

impurities

≤1% water

mp

234-238 °C (lit.)

solubility

H2O: 10 mg/mL, clear, colorless

SMILES string

[Li]N(S(=O)(=O)C(F)(F)F)S(=O)(=O)C(F)(F)F

InChI

1S/C2F6NO4S2.Li/c3-1(4,5)14(10,11)9-15(12,13)2(6,7)8;/q-1;+1

InChI key

QSZMZKBZAYQGRS-UHFFFAOYSA-N

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Application

Bis(trifluoromethane)sulfonimide lithium salt (LiTFSI) is a source of lithium (Li+) ions that is extensively used as an organic electrolyte in lithium-ion batteries and capacitors. LiTFSI is also used as an additive to enhance the hole conductivity in perovskite and dye-sensitized solar cells.

Other Notes

Electrolyte suitable for lithium batteries showing very high conductivity

signalword

Danger

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

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

wgk_germany

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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


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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Ionic conductivity in relation to ternary phase diagram of poly (ethylene oxide), succinonitrile, and lithium bis (trifluoromethane) sulfonimide blends.
Echeverri M, et al.
Macromolecules, 45(15), 6068-6077 (2012)
Development of polyacrylonitrile-based polymer electrolytes incorporated with lithium bis (trifluoromethane) sulfonimide for application in electrochromic device.
Sim LN, et al.
Electrochimica Acta, 229(15), 22-30 (2017)
Corina Paraschiva Ciobanu et al.
3 Biotech, 10(7), 298-298 (2020-06-19)
The addition of n-dodecane (between 1-3%) to the Escherichia coli fermentation broth in a mechanically agitated and aerated bioreactor revealed improved DO (dissolved oxygen) levels induced during fermentation which lead to an increase in biomass productivity and faster glucose consumption.
M. Liu et al.
Journal of the Electrochemical Society, 138, 1891-1891 (1991)
A. Webber
Journal of the Electrochemical Society, 138, 2586-2586 (1991)

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