Description

Tetraoctylphosphonium Chloride is a high-purity quaternary phosphonium salt with significant utility as a phase-transfer catalyst and ionic liquid precursor. Its value lies in its ability to facilitate reactions between reagents in immiscible phases, enhancing reaction rates and yields in specialized organic syntheses. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors seeking efficient catalytic systems.

Application

• As a highly effective phase-transfer catalyst (PTC) in alkylation, esterification, and polymerization reactions.
• Key intermediate for the synthesis of task-specific ionic liquids and other functionalized phosphonium salts.
• Utilized in the preparation of extraction agents for metal ions and other separation processes.
• Employed as a surfactant or emulsifier in specialized formulation chemistry.
• Catalyst in organic synthesis for the production of fine chemicals and active pharmaceutical ingredients (APIs).
• Component in corrosion inhibitors and functional additives for industrial fluids.
• Research chemical for developing new electrolytes and conductive materials.

Basic Information

Product Name	Tetraoctylphosphonium Chloride
CAS No.	37165-84-7
Molecular Formula	C₃₂H₆₈ClP
Molecular Weight	519.29 g/mol
Synonyms	Trioctyl(octyl)phosphonium chloride; Phosphonium, trioctyloctyl-, chloride; Tetra-n-octylphosphonium chloride; TOPC; Trioctyloctylphosphonium chloride; Tetraoctylphosphonium chloride; n-Octyltrioctylphosphonium chloride
EINECS	253-358-1

Quality Control

Our Tetraoctylphosphonium Chloride is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets the high standards required for catalytic and synthetic applications. A detailed Certificate of Analysis (COA) is provided with each shipment to guarantee traceability and compliance with your 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); keep the container tightly sealed to prevent absorption of atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Water Content (KF)	≤ 1.0%
Melting Point	Contact for details

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