Description

Tetraethylphosphonium Hexafluorophosphate is a high-purity, specialty ionic liquid and electrolyte salt. This compound is valued for its excellent electrochemical stability and ionic conductivity, making it a critical component in advanced energy storage and material science applications. It is primarily sought by researchers and manufacturers in the fields of lithium-ion batteries, supercapacitors, and as a catalyst or additive in organic synthesis.

Application

• Electrolyte Additive for Lithium-Ion Batteries: Enhances cycle life and thermal stability at high voltages.
• Component in Ionic Liquids: Serves as a precursor or anion source for designing task-specific ionic liquids.
• Electrochemical Double-Layer Capacitors (Supercapacitors): Used in electrolyte formulations to improve energy density and operating voltage window.
• Phase-Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases in organic synthesis.
• Chemical Vapor Deposition (CVD) Precursor: Potential source for depositing phosphorus-containing thin films in semiconductor manufacturing.
• Research & Development: A key reagent in academic and industrial R&D for novel electrochemical systems and materials.

Basic Information

Product Name	Tetraethylphosphonium Hexafluorophosphate
CAS No.	111928-07-5
Molecular Formula	C8H20F6P2
Molecular Weight	292.17 g/mol
Synonyms	Tetraethylphosphonium PF6; [P(C2H5)4]PF6; TEP-PF6; Tetraethylphosphonium hexafluorophosphate(V); Phosphonium, tetraethyl-, hexafluorophosphate(1-); Tetraethylphosphonium hexafluorophosphate(1-); Et4PF6
EINECS	Contact for details

Quality Control

Our Tetraethylphosphonium Hexafluorophosphate is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including NMR, HPLC, and ion chromatography, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing purity, identity, and impurity profiles is provided with every shipment to guarantee compliance with your research and production specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., argon or nitrogen) for long-term storage to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Chloride (Cl⁻)	≤ 100 ppm
Sulfate (SO₄²⁻)	≤ 100 ppm
Heavy Metals (as Pb)	≤ 20 ppm

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