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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:
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

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)

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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)
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)
M.M. Doeff et al.
J. Appl. Electrochem., 22, 307-307 (1992)
A. Webber
Journal of the Electrochemical Society, 138, 2586-2586 (1991)
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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