Description

Tributylmethylphosphonium Bis(Trifluoromethanesulfonyl)Imide is a high-purity ionic liquid salt, also known as a phosphonium-based ionic liquid. This compound is valued for its exceptional thermal stability, low volatility, and high ionic conductivity, making it a superior electrolyte component and reaction medium. It is primarily sought by researchers and manufacturers in the fields of advanced battery technology, electrochemistry, and specialty chemical synthesis.

Application

• Electrolyte Additive for Lithium-ion Batteries: Enhances thermal stability and safety of high-voltage battery systems.
• Solvent for Catalytic Reactions: Serves as a green, non-volatile medium for various organic transformations and polymerization processes.
• Component in Dye-Sensitized Solar Cells (DSSCs): Used in the electrolyte formulation to improve efficiency and longevity.
• Lubricant and Additive: Functions as a high-performance lubricant or anti-wear additive for demanding mechanical applications.
• Gas Separation Membranes: Incorporated into polymer membranes to improve selectivity for CO2 capture and separation.
• Chemical Intermediate: Utilized in the synthesis of other specialized phosphonium salts and ionic liquids.

Basic Information

Product Name	Tributylmethylphosphonium Bis(Trifluoromethanesulfonyl)Imide
CAS No.	324575-10-2
Molecular Formula	C14H28F6NO4P S2
Molecular Weight	483.46 g/mol
Synonyms	Tributylmethylphosphonium bis(trifluoromethylsulfonyl)imide; Tributylmethylphosphonium TFSI; [P1,4,4,4][TFSI]; Methyltributylphosphonium bis(trifluoromethanesulfonyl)imide; Methyltributylphosphonium TFSI; Phospholium, tributylmethyl-, salt with 1,1,1-trifluoro-N-[(trifluoromethyl)sulfonyl]methanesulfonamide (1:1); Ionic Liquid [P4441][NTf2]
EINECS	Contact for details

Quality Control

Our Tributylmethylphosphonium Bis(Trifluoromethanesulfonyl)Imide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and Karl Fischer titration, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your R&D and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under a dry inert atmosphere (e.g., nitrogen or argon) to prevent degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (NMR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Halide Content (Cl-, Br-)	≤ 100 ppm
Density (at 20°C)	~1.4 g/cm³

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