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Merck

544094

Bis(trifluoromethane)sulfonimide lithium salt

99.95% trace metals basis

Synonym(s):

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
UNSPSC Code:
12352302
NACRES:
NA.22
PubChem Substance ID:
24878293
EC Number:
415-300-0
Beilstein/REAXYS Number:
6625414
MDL number:
MFCD00210017
Assay:
99.95% trace metals basis

Key Documents

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InChI key

QSZMZKBZAYQGRS-UHFFFAOYSA-N

InChI

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

SMILES string

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

assay

99.95% trace metals basis

mp

234-238 °C (lit.)

functional group

fluoro

Quality Level

100

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General description

Bis(trifluoromethane)sulfonimide lithium salt is a synthetic reagent.

LiTFSI exhibits high ionic conductivity and electrochemical stability. Used as an electrolyte additive in energy storage devices.

Application

Bis(trifluoromethane)sulfonimide lithium salt may be used in the following studies:
  • As ionic liquid in the preparation of gel polymer electrolytes (GPEs) using solution casting technique.
  • To compose unique nonflammable electrolyte, having thermal stability beyond 200°C and a remarkably high transference number, for lithium-ion batteries.
  • As electrolyte for the Li-O2 batteries.
  • To compose the solid polymer electrolytes for lithium batteries.

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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

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

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

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

Substances Subject to be Indicated Names

ishl_indicated

Substances Subject to be Notified Names

ishl_notified

544094-5G: + 544094-25G: + 544094-BULK: + 544094-VAR: + 544094-100G:

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Certificates of Analysis (COA)

Lot/Batch Number
WXBD6787V
MKCP4495
MKCP4496
MKCP4494
MKCP4493

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Mario Marinaro et al.
Beilstein journal of nanotechnology, 4, 665-670 (2013-11-10)
Aprotic rechargeable Li-O2 batteries are currently receiving considerable interest because they can possibly offer significantly higher energy densities than conventional Li-ion batteries. The electrochemical behavior of Li-O2 batteries containing bis(trifluoromethane)sulfonimide lithium salt (LiTFSI)/tetraglyme electrolyte were investigated by galvanostatic cycling and
Nurul Nadiah Sa'adun et al.
TheScientificWorldJournal, 2014, 254215-254215 (2014-11-29)
Gel polymer electrolytes (GPEs) are developed using poly(1-vinylpyrrolidone-co-vinyl acetate) [P(VP-co-VAc)] as the host polymer, lithium bis(trifluoromethane) sulfonimide [LiTFSI] as the lithium salt and ionic liquid, and 1-ethyl-3-methylimidazolium bis(trifluoromethylsulfonyl) imide [EMImTFSI] by using solution casting technique. The effect of ionic liquid
Dominica H C Wong et al.
Proceedings of the National Academy of Sciences of the United States of America, 111(9), 3327-3331 (2014-02-12)
The flammability of conventional alkyl carbonate electrolytes hinders the integration of large-scale lithium-ion batteries in transportation and grid storage applications. In this study, we have prepared a unique nonflammable electrolyte composed of low molecular weight perfluoropolyethers and bis(trifluoromethane)sulfonimide lithium salt.
Enrique D Gomez et al.
Nano letters, 9(3), 1212-1216 (2009-02-06)
Energy-filtered transmission electron microscopy (EFTEM) was used to determine the distribution of lithium ions in solid polymer electrolytes for lithium batteries. The electrolytes of interest are mixtures of bis(trifluoromethane)sulfonimide lithium salt and symmetric poly(styrene-block-ethylene oxide) copolymers (SEO). In contrast to
Hangchao Wang et al.
Advanced materials (Deerfield Beach, Fla.), 32(37), e2001259-e2001259 (2020-08-01)
Lithium-metal batteries (LMBs) with high energy densities are highly desirable for energy storage, but generally suffer from dendrite growth and side reactions in liquid electrolytes; thus the need for solid electrolytes with high mechanical strength, ionic conductivity, and compatible interface
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