Description

(3-Bromobenzyl)Triphenylphosphonium Chloride is a high-purity organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient formation of carbon-carbon double bonds to create complex olefins. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for drug discovery and specialty chemical manufacturing.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides to synthesize substituted alkenes and complex olefinic intermediates.
• Pharmaceutical Intermediate Synthesis: Used in the construction of steroidal frameworks, vitamin analogs, and other bioactive molecules containing specific alkene geometries.
• Agrochemical Production: Employed in the synthesis of certain pesticide and herbicide intermediates that require precise alkene functionality.
• Ligand and Catalyst Preparation: Serves as a starting material for the synthesis of phosphine-based ligands used in transition metal catalysis.
• Material Science Research: Applied in the development of organic semiconductors, liquid crystals, and polymers with tailored olefinic backbones.
• Academic & Process R&D: A valuable tool for methodological development in organic chemistry and scale-up process optimization.

Basic Information

Product Name	(3-Bromobenzyl)Triphenylphosphonium Chloride
CAS No.	18880-07-4
Molecular Formula	C25H21BrClP
Molecular Weight	476.77 g/mol
Synonyms	(3-Bromobenzyl)triphenylphosphonium chloride; (m-Bromobenzyl)triphenylphosphonium chloride; 3-Bromobenzyltriphenylphosphonium chloride; Triphenyl(3-bromobenzyl)phosphonium chloride; Phosphonium, (3-bromobenzyl)triphenyl-, chloride; (3-Bromophenylmethyl)triphenylphosphonium chloride; m-Bromobenzyltriphenylphosphonium chloride
EINECS	Contact for details

Quality Control

Our (3-Bromobenzyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high chemical purity and consistent performance. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 compound is hygroscopic (moisture-sensitive) and should be handled under an inert atmosphere or in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	Contact for details
Water Content (KF)	≤ 1.0%
Residue on Ignition	≤ 0.1%

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