Lithium bis(trifluoromethanesulphonyl)imide, CAS No. 90076-65-6

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90076-65-6

Catalog No. EBD45953

CAS 90076-65-6

Name Lithium bis(trifluoromethanesulphonyl)imide

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Basic Information

Synonyms: Bis(trifluoromethylsulfonyl)aminelithiumsalt Lithiumbis(trifluoromethanesulphonyl)imide Bis(trifluoromethane)sulfonimidelithiumsalt N-lithiotrifluoromethanesulfonimide Lithiumbis(trifluoromethanesulfonyl)imide Lithiumbis(trifluoromethanesulfonimide) lithiumbis[(trifluoromethyl)sulfonyl]azanide Bis(trifluoromethanesulfonyl)imideLithiumSalt 1,1,1-trifluoro-n-[(trifluoromethyl)sulfonyl]-methanesulfonamidlithiumsalt lithiumbis(trifluoromethylsulfonyl)imide methanesulfonamide,1,1,1-trifluoro-n-[(trifluoromethyl)sulfonyl]-,lithiumsalt bistrifluoromethanesulfonimidelithiumsalt lithiumtrifluoromethanesulfonimide

Molecular Formula: C2F6LiNO4S2

Molecular Weight: 287.09

Categories: Materials Chemistry > Battery and Energy Storage Materials > Lithium and Sodium Salt Precursors Synthetic Chemistry > Basic Synthetic Reagents > Other Basic Synthetic Reagents

Product Description:

Lithium bis(trifluoromethanesulfonyl)imide (LiTFSI), CAS 90076-65-6, is an organolithium salt characterized by its bis(trifluoromethanesulfonyl)imide anion. It is a white crystalline powder with high thermal stability and excellent solubility in a wide range of organic solvents. Its primary and most significant application is as a lithium salt electrolyte in advanced lithium-ion batteries, particularly for high-voltage and high-energy-density systems. LiTFSI is favored over traditional salts like LiPF6 due to its superior electrochemical stability, high ionic conductivity, and enhanced safety profile. It is also a key component in lithium metal batteries and serves as a crucial additive or main salt in solid-state and quasi-solid-state electrolytes. Beyond energy storage, LiTFSI finds use as a powerful and weakly coordinating anion source in synthetic chemistry. It acts as a catalyst or additive in various organic transformations, including Friedel-Crafts alkylations and Diels-Alder reactions, due to its ability to generate highly reactive cationic intermediates.

Physical Properties

Melting Point: 234-238 °C(lit.)

Density: 1,334 g/cm3

Solubility: H2O: 10 mg/mL, clear, colorless

Safety Information

Packing Level: II

Hazard Category: 6.1(8)

Transport Codes: 2923

Analytical Data

Appearance: white hygroscopic powder