Description

Ethyltributylphosphonium Bis((Trifluoromethyl)Sulfonyl)Imide is a high-purity ionic liquid and specialty phosphonium salt with significant utility in advanced chemical processes. Its primary value lies in its exceptional thermal stability, low volatility, and high ionic conductivity, making it a superior alternative to conventional solvents and catalysts. This compound is essential for researchers and manufacturers in the fields of electrolyte formulation for energy storage devices, green chemistry catalysis, and high-performance polymer synthesis.

Application

• Electrolyte Component for Lithium-ion Batteries: Used as an additive or co-solvent to enhance thermal stability, safety, and cycle life.
• Catalyst and Solvent in Organic Synthesis: Facilitates various reactions, including alkylation, esterification, and condensation, under mild conditions.
• Processing Aid for High-Temperature Polymers: Acts as a plasticizer or compatibilizer for engineering plastics and specialty resins.
• Separation Science: Employed as a stationary phase modifier in gas chromatography (GC) or as an extractant in liquid-liquid separation.
• Electrochemical Devices: Serves as a key material in supercapacitors, dye-sensitized solar cells (DSSCs), and sensors.
• Lubricant and Additive: Functions as a high-performance lubricant or anti-wear additive for demanding mechanical applications.
• Antistatic Agent: Incorporated into polymers and coatings to provide durable static dissipation.
• Academic and Industrial R&D: A valuable reagent for developing new ionic liquids, catalysts, and functional materials.

Basic Information

Product Name	Ethyltributylphosphonium Bis((Trifluoromethyl)Sulfonyl)Imide
CAS No.	1346459-15-1
Molecular Formula	C17H34F6NO4P S2
Molecular Weight	525.55 g/mol
Synonyms	Ethyltributylphosphonium bis(trifluoromethanesulfonyl)imide; [EtBu3P][TFSI]; Ethyltributylphosphonium TFSI; Tributylethylphosphonium bis(trifluoromethylsulfonyl)imide; Phospholium TFSI salt; Ionic Liquid [P2,4,4,4][NTf2]; EINECS Contact for details

Quality Control

Our Ethyltributylphosphonium Bis((Trifluoromethyl)Sulfonyl)Imide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure identity, purity, and consistency. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing all critical specifications. Our quality commitment supports applications requiring high-purity materials for pharmaceutical intermediates, battery research, and advanced catalysis.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive). To prevent degradation and maintain purity, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening and protected from prolonged exposure to air and moisture.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Halide Content (Cl⁻)	≤ 50 ppm
Heavy Metals (as Pb)	≤ 10 ppm
Residual Solvents (GC)	Meets ICH guidelines

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