Description

Tetraethylphosphonium Chloride is a versatile quaternary phosphonium salt with significant utility in advanced chemical synthesis and materials science. Its primary value lies in its role as a highly effective phase-transfer catalyst and a key precursor for synthesizing ionic liquids and specialty polymers. This compound is essential for R&D and production teams in the pharmaceutical, agrochemical, and electronics industries seeking to enhance reaction efficiency and develop novel functional materials.

Application

• Phase-Transfer Catalyst (PTC): Widely employed in organic synthesis to facilitate reactions between reagents in immiscible phases, improving yield and selectivity for alkylations, esterifications, and polymerizations.
• Ionic Liquid Precursor: Serves as a fundamental building block for the synthesis of task-specific ionic liquids used as green solvents, electrolytes, and functional fluids.
• Polymer Chemistry: Acts as a catalyst or co-catalyst in the production of engineering plastics, epoxy resins, and other high-performance polymers.
• Pharmaceutical Intermediates: Utilized in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) where precise catalytic control is required.
• Agrochemical Synthesis: Applied in the manufacture of pesticides, herbicides, and plant growth regulators.
• Electrolyte Additive: Investigated for use in advanced battery systems and electrochemical applications to improve conductivity and stability.
• Surface Modification Agent: Used to modify material surfaces for enhanced properties like hydrophobicity or adhesion.
• Research & Development: A critical reagent in academic and industrial laboratories for exploring new catalytic processes and material properties.

Basic Information

Item	Details
Product Name	Tetraethylphosphonium Chloride
CAS No.	7368-65-2
Molecular Formula	C8H20ClP
Molecular Weight	182.67 g/mol
Synonyms	Tetraethylphosphonium chloride; Phosphonium, tetraethyl-, chloride; Ethylphosphonium chloride (Et4PCl); TEPC; Tetraethylphosphonium chloride; Tetraethylphosphonium chloride solution; Tetraethylphosphonium chloride, 97%; (Tetraethyl)phosphonium chloride
EINECS	230-918-0

Quality Control

Our Tetraethylphosphonium Chloride is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, impurity profiling, and identity confirmation, to ensure it meets the high standards required for industrial and research applications. A Certificate of Analysis (COA) detailing purity, physical characteristics, and test results is provided with every shipment and is available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product quality and performance. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or lumps
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 2.0%
Melting Point	~300 °C (dec.)
Heavy Metals (as Pb)	< 20 ppm

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