Description

Lithium (Fluorosulfonyl)(Trifluoromethanesulfonyl)Imide is a highly specialized lithium salt known for its exceptional electrochemical properties. This compound is a critical component in the formulation of advanced electrolytes, offering superior ionic conductivity and thermal stability. It is primarily sought after by manufacturers in the energy storage, battery technology, and specialty chemical synthesis sectors for developing next-generation lithium-ion and lithium-metal batteries.

Application

• Advanced Lithium-Ion Battery Electrolytes: As a key lithium salt additive to enhance ionic conductivity, thermal stability, and cycle life in high-voltage cathodes.
• Lithium-Metal Battery Development: Used in electrolyte formulations to improve lithium metal anode stability and suppress dendrite formation.
• Solid-State Electrolytes: A crucial component in the research and production of polymer and composite solid electrolytes for safer battery systems.
• Supercapacitors & Energy Storage Devices: Employed in electrolytes for high-power density applications requiring fast charge/discharge cycles.
• Chemical Synthesis: Serves as a reagent or catalyst in specialized fluorination and sulfonylation reactions within organic and organometallic chemistry.
• Academic & Industrial R&D: A vital material for research institutions and corporate R&D departments focused on next-generation electrochemical materials.

Basic Information

Product Name	Lithium (Fluorosulfonyl)(Trifluoromethanesulfonyl)Imide
CAS No.	192998-62-2
Molecular Formula	C F4 Li N O4 S2
Molecular Weight	287.07 g/mol
Synonyms	Lithium Bis(fluorosulfonyl)imide; LiFSI; Lithium Bis(FSO2)imide; Lithium Bis(Fluorosulfonyl)Imidate; LiTFSI Analog; Li[N(SO2F)2]; 1,1,2,2,2-Pentafluoro-N-(trifluoromethylsulfonyl)ethanesulfonamide Lithium Salt
EINECS	Contact for details

Quality Control

Our Lithium (Fluorosulfonyl)(Trifluoromethanesulfonyl)Imide is produced under stringent quality management systems to ensure batch-to-batch consistency and high purity, critical for electrochemical performance. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, moisture content, and anion/cation purity. Our quality protocols are designed to meet the rigorous demands of battery manufacturing and advanced materials research.

Storage

Preserve in a tightly closed container, protected from light. This material is hygroscopic (moisture-sensitive) and must be stored in a cool, dry place under an inert atmosphere (e.g., argon or nitrogen) to prevent degradation. Recommended long-term storage temperature is 2-8°C. The container should be kept tightly sealed in a desiccator when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 99.5%
Water Content (KF)	≤ 50 ppm
Chloride (Cl)	≤ 10 ppm
Sulfate (SO4)	≤ 20 ppm
Heavy Metals (as Pb)	≤ 5 ppm
Lithium (Li) Content	Conforms to theoretical
Fluoride (F) Content	Conforms to theoretical

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.