Description

Tetraethylphosphonium Tetrafluoroborate is a high-purity quaternary phosphonium salt with significant utility in advanced material synthesis. This compound is valued for its role as a versatile ionic liquid precursor and electrolyte component, offering excellent thermal stability and ionic conductivity. It is primarily sought by researchers and manufacturers in the fields of electrochemistry, battery technology, and specialty polymer production.

Application

• Electrolyte Additive for Lithium-ion Batteries: Enhances ionic conductivity and thermal stability of electrolytes.
• Precursor for Ionic Liquids: Serves as a key starting material for synthesizing task-specific ionic liquids used as green solvents.
• Phase Transfer Catalyst (PTC): Facilitates reactions between reagents in immiscible phases in organic synthesis.
• Electroplating Additive: Used in electrodeposition processes to improve coating quality and uniformity.
• Polymerization Catalyst/Co-catalyst: Employed in the synthesis of specialized polymers and resins.
• Chemical Intermediate: For the preparation of other phosphonium-based compounds and fluoroborate salts.

Basic Information

Product Name	Tetraethylphosphonium Tetrafluoroborate
CAS No.	665-49-6
Molecular Formula	C8H20BF4P
Molecular Weight	210.03 g/mol
Synonyms	Tetraethylphosphonium fluoroborate; Tetraethylphosphonium tetrafluoroborate(1-); Tetraethylphosphonium BF4; Phosphonium, tetraethyl-, tetrafluoroborate(1-); Tetraethylphosphonium tetrakis(fluoranyl)boranuide; TEP-BF4; Tetraethylphosphonium fluoroborate (TEP-BF4); Tetraethylphosphonium tetrafluoroborate salt
EINECS	Contact for details

Quality Control

Our Tetraethylphosphonium Tetrafluoroborate is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and Karl Fischer titration, to ensure high purity and consistency. Certificates of Analysis (COA) detailing the specific results are 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 area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under dry conditions, preferably in a desiccator or with appropriate desiccant packs.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Melting Point	Contact for details
Heavy Metals	< 10 ppm

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