Description

[(2-Bromophenyl)Methyl]Triphenyl-Phosphonium Bromide is a high-purity, organophosphorus quaternary salt widely utilized as a key reagent in advanced organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient construction of carbon-carbon double bonds to form olefins and complex organic frameworks. This compound is essential for research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials sectors seeking reliable and scalable synthetic intermediates.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides used in the synthesis of alkenes, including those with electron-withdrawing substituents.
• Pharmaceutical Intermediate: Employed in the synthesis of active pharmaceutical ingredients (APIs) and complex drug candidates requiring specific alkene geometries.
• Agrochemical Synthesis: Used in building blocks for pesticides, herbicides, and plant growth regulators that contain olefinic components.
• Ligand and Catalyst Preparation: Serves as a starting material for synthesizing phosphine-based ligands and organocatalysts.
• Material Science Research: Applied in the development of organic semiconductors, liquid crystals, and polymers with tailored properties.
• Academic & Industrial R&D: A fundamental reagent for methodological development and exploratory synthesis in organic chemistry laboratories.

Basic Information

Product Name	[(2-Bromophenyl)Methyl]Triphenyl-Phosphonium Bromide
CAS No.	36901-75-4
Molecular Formula	C25H21Br2P
Molecular Weight	512.22 g/mol
Synonyms	(2-Bromobenzyl)triphenylphosphonium bromide; 1-(Bromomethyl)-2-bromobenzene triphenylphosphonium bromide; (α-Bromo-o-tolyl)triphenylphosphonium bromide; (2-Bromobenzyl)triphenylphosphonium bromide; Phosphonium, [(2-bromophenyl)methyl]triphenyl-, bromide (1:1); Triphenyl[(2-bromophenyl)methyl]phosphonium bromide; o-Bromobenzyltriphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Our [(2-Bromophenyl)Methyl]Triphenyl-Phosphonium Bromide is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and identity confirmation. A Certificate of Analysis (COA) detailing purity, assay, and impurity profiles is provided with every shipment to guarantee batch-to-batch consistency and support your quality assurance protocols.

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 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
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.