Lithium bis(trifluoromethanesulphonyl)imide
- Createtime： 2026-04-14
- Updatetime： 2026-07-24
Product Details
| useage |
Industrial use
|
| deliveryInfo |
|
| appearance |
powder
|
| Molecular Weight |
287.09
|
| aliasen |
|
| supplyCapacity |
50000MT/Month
|
| harbor |
Qingdao,China
|
| minorder |
1KG
|
| Appearance |
White crystalline powder
|
Shandong Huashang Chemical Co., Ltd. is a high-tech enterprise focused on industry of fine chemicals research and develop, produce and sale. Shandong Huashang Chemical Co., Ltd. is located in Shan Dong Ji Nan China. we have the ability to provide you high quality products. More than 90 % of our products are exported to developed countries and regions such as north America, Europe, Japan, South Korea and the Middle East.
1. Basic Product Profile
- Full IUPAC Name: Lithium bis(trifluoromethanesulfonyl)imide
- Aliases: LiTFSI, Lithium bis(trifluoromethylsulfonyl)imide, Lithium triflimide
- CAS Number: 90076-65-6
- EINECS: N/A
- Molecular Formula: C2F6LiNO4S2
- Molecular Weight: 287.09
- Chemical Classification: Lithium ionic salt, high-purity electrolyte raw material, fluorinated sulfonyl imide lithium salt
- Core Advantages
Ultra-wide electrochemical window, high ionic conductivity, excellent thermal and hydrolysis stability, low corrosivity to electrode materials compared with LiPF6. Free of HF release during thermal decomposition, widely used in lithium-ion battery electrolytes, supercapacitors, solid-state batteries and electrochemistry research.
2. Physical & Chemical Properties
2.1 Physical Index
- Appearance: White crystalline powder
- Odor: Odorless
- Solubility: Freely soluble in carbonate solvents, DME, THF, acetonitrile; slightly soluble in low-polarity ethers; insoluble in aliphatic alkanes
- Melting Point: 234–238 °C
- Thermal Decomposition Temperature: >300 °C
- Hygroscopy: Strongly hygroscopic, instantly absorbs moisture from air
- Electrochemical Stability Window: Up to 4.8 V vs Li/Li?
2.2 Chemical Properties
- Fluorinated Sulfonyl Imide Anion Structure: Delocalized negative charge ensures high lithium ion dissociation rate
- Hydrolysis Resistance: Far superior hydrolysis stability than lithium hexafluorophosphate; only slow hydrolysis under high temperature and saturated water vapor
- Thermal Stability: No decomposition below 280 °C, no toxic hydrogen fluoride generation
- Acid & Alkali Stability: Stable in neutral anhydrous environment; decomposes rapidly in aqueous alkaline solution
- Compatibility: Compatible with carbonate electrolyte solvents, cathode materials and polymer solid electrolytes; incompatible with water, protic solvents and strong alkaline substances
3. Main Application Fields
3.1 Lithium Battery Electrolyte Salt (Core Usage)
High-purity electrolyte lithium salt for high-voltage lithium batteries, solid polymer lithium batteries, lithium metal batteries and lithium-ion supercapacitors; improves cycle life and high-temperature storage performance of cells.
3.2 Electrochemical Research Reagent
Standard supporting electrolyte for organic electrochemistry cyclic voltammetry experiments, lithium ion conductivity testing in laboratory research.
3.3 Ionic Liquid & Catalyst Precursor
Raw material for synthesizing fluorinated ionic liquids; weakly coordinating anion catalyst for organic synthesis reactions.
4. Quality Specification Table
| Test Item | Standard Index |
| CAS No. | 90076-65-6 |
| Molecular Formula | C2F6LiNO4S2 |
| Molecular Weight | 287.09 |
| Appearance | White crystalline powder |
| Melting Range | 234–238 °C |
| HPLC Assay | Battery Grade ≥99.9%; Electronic Grade ≥99.95% |
| Water Content (KF) | ≤20 ppm (Battery Grade); ≤10 ppm (Electronic Grade) |
| Free Acid (HF) | ≤10 ppm |
| Heavy Metals (Pb) | ≤1 ppm |
| Residue on Ignition | ≤0.01% |
| Bulk Package | 25kg moisture-proof aluminum foil lined nitrogen-sealed fiber drum |
| Sample Package | 10g / 100g / 1kg sealed argon-filled aluminum foil bag |
| Storage Requirements | Hermetic argon-filled low-humidity warehouse ≤25℃, dew point ≤-40℃; completely isolate air, moisture and alkaline chemicals |
| Transportation Rule | Special moisture-sensitive lithium battery raw material; hermetic moisture-proof packaging with nitrogen filling mandatory during transit |
| Shelf Life | 36 months under intact argon-sealed packaging |
