Description

Ethyltributylphosphonium Bromide is a quaternary phosphonium salt with significant utility as a versatile phase-transfer catalyst and ionic liquid precursor. Its importance 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 specialty chemical industries seeking efficient catalytic systems.

Application

• Phase-Transfer Catalyst (PTC): Widely employed in alkylation, esterification, and nucleophilic substitution reactions to accelerate processes in biphasic systems.
• Ionic Liquid Synthesis: Serves as a key precursor or component in the formulation of task-specific ionic liquids for green chemistry applications.
• Polymerization Aid: Used as a catalyst or co-catalyst in the synthesis of certain polymers and resins.
• Pharmaceutical Intermediates: Facilitates the production of complex drug molecules and active pharmaceutical ingredients (APIs) through efficient catalytic cycles.
• Agrochemical Manufacturing: Applied in the synthesis of pesticides, herbicides, and plant growth regulators.
• Organic Synthesis: A valuable reagent for various C-C and C-X bond-forming reactions in laboratory and pilot-scale operations.

Basic Information

Product Name	Ethyltributylphosphonium Bromide
CAS No.	7392-50-9
Molecular Formula	C14H32BrP
Molecular Weight	311.28 g/mol
Synonyms	Tributyl(ethyl)phosphonium Bromide; Ethyltributylphosphonium Bromide; Ethyltributylphosphonium Bromide Salt; Phosphonium, ethyltributyl-, bromide; Ethyl Tributyl Phosphonium Bromide; ETBPB; Tetrabutylphosphonium Bromide analogue
EINECS	230-985-4

Quality Control

Our Ethyltributylphosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identity confirmation, and impurity profiling, to ensure it meets high-purity standards suitable for catalytic and synthetic applications. A Certificate of Analysis (COA) detailing purity, physical properties, and test results is provided with every shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed after use to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm

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