Description

Benzyltriethylphosphonium Bromide is a versatile quaternary phosphonium salt widely used as a phase-transfer catalyst and reagent in organic synthesis. Its primary value lies in its ability to facilitate reactions between reagents in immiscible phases, significantly improving reaction rates and yields under mild conditions. This compound is essential for researchers and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries seeking efficient synthetic pathways.

Application

• Phase-Transfer Catalysis (PTC): A key catalyst for alkylation, esterification, and other nucleophilic substitution reactions, particularly in biphasic systems.
• Pharmaceutical Intermediates: Used in the synthesis of active pharmaceutical ingredients (APIs) and complex organic molecules.
• Agrochemical Synthesis: Employed in the production of pesticides, herbicides, and plant growth regulators.
• Polymer Chemistry: Acts as a catalyst or initiator in the polymerization of certain monomers and in the synthesis of specialty polymers.
• Organic Synthesis Reagent: Facilitates various transformations including the generation of ylides for Wittig-type olefination reactions.
• Fine Chemical Production: Critical for manufacturing dyes, fragrances, and other high-value specialty chemicals.

Basic Information

Product Name	Benzyltriethylphosphonium Bromide
CAS No.	7016-55-9
Molecular Formula	C₁₃H₂₂BrP
Molecular Weight	289.19 g/mol
Synonyms	Benzyltriethylphosphonium bromide; Triethylbenzylphosphonium bromide; (Benzyl)(triethyl)phosphonium bromide; BTEPhB; Phosphonium, benzyltriethyl-, bromide; Benzyl(triethyl)phosphonium bromide; Benzyl-triethyl-phosphonium bromide; Benzyltriethylphosphonium Bromide (PTC Catalyst)
EINECS	230-312-5

Quality Control

Our Benzyltriethylphosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including assay, identification, and impurity profiling, to ensure it meets the high standards required for research and industrial applications. Certificates of Analysis (COA) documenting purity, physical characteristics, and test results are provided with every shipment and are available upon request.

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). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance and stability.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
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.