Description

Cetyltributylphosphonium Bromide is a quaternary phosphonium salt with a unique amphiphilic structure, combining a long hydrophobic alkyl chain with a charged phosphonium center. This compound serves as a highly effective phase-transfer catalyst and surfactant, facilitating reactions between reagents in immiscible phases. It is particularly valuable for industries requiring efficient organic synthesis, material science applications, and specialized chemical manufacturing processes where its ionic properties are leveraged.

Application

• Phase-Transfer Catalyst (PTC): Enables and accelerates reactions between ionic and organic reactants in two-phase systems, crucial for alkylation, esterification, and polymerization processes.
• Surfactant and Emulsifier: Used in the formulation of specialty detergents, dispersants, and emulsion stabilizers due to its cationic and surface-active properties.
• Polymer Additive: Acts as a flame retardant synergist, antistatic agent, or modifier for polymers and resins to enhance material performance.
• Organic Synthesis Intermediate: Serves as a key building block or reagent in the synthesis of more complex phosphonium-based ionic liquids and specialty chemicals.
• Textile and Fiber Treatment: Employed as a softener, dyeing auxiliary, or antimicrobial finishing agent for fabrics.
• Electronics and Material Science: Used in the preparation of conductive polymers, coatings, and advanced materials where its ionic character is beneficial.

Basic Information

Product Name	Cetyltributylphosphonium Bromide
CAS No.	14937-45-2
Molecular Formula	C28H60BrP
Molecular Weight	507.66 g/mol
Synonyms	Hexadecyltributylphosphonium Bromide; Cetrimonium Bromide Tributylphosphonium Salt; Tributylhexadecylphosphonium Bromide; Phosphonium, hexadecyltributyl-, bromide; CTBPB; Cetyl Tributyl Phosphonium Bromide; 1-Hexadecyl-tributylphosphonium Bromide
EINECS	Contact for details

Quality Control

Our Cetyltributylphosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for identity, purity, and performance. A comprehensive Certificate of Analysis (COA) documenting results for assay, moisture content, and related substances is provided with every shipment to guarantee traceability and compliance with your quality 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 material is hygroscopic (moisture-sensitive). Keep the container tightly sealed to prevent absorption of atmospheric moisture, which can affect product quality and performance.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Melting Point	Contact for details
Heavy Metals	< 20 ppm

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