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15224

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:
90076-65-6
Molecular Weight:
287.09
Beilstein:
6625414
EC Number:
415-300-0
MDL number:
MFCD00210017
UNSPSC Code:
12352100
PubChem Substance ID:
57647343
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

functional group

fluoro

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

Signal Word

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 Code

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

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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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M.M. Doeff et al.
J. Appl. Electrochem., 22, 307-307 (1992)
Electrochemical performance of a hybrid lithium-ion capacitor with a graphite anode preloaded from lithium bis (trifluoromethane) sulfonimide-based electrolyte.
Decaux C, et al.
Electrochimica Acta, 86, 282-286 (2012)
Enhancing the hole-conductivity of spiro-OMeTAD without oxygen or lithium salts by using spiro (TFSI) 2 in perovskite and dye-sensitized solar cells.
Nguyen WH, et al.
Journal of the American Chemical Society, 136(31), 10996-11001 (2014)
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.
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)
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