Description

[(Pentabromophenyl)Methyl]Triphenylphosphonium Bromide is a high-value organophosphorus compound primarily used as a specialized reagent in advanced organic synthesis. This compound matters for its role as a key intermediate in the synthesis of complex molecules, particularly where the introduction of a pentabromobenzyl moiety is required. It is needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing novel chemical architectures.

Application

• Wittig Reaction Reagent: A key reagent for the stereoselective synthesis of alkenes, particularly useful for generating highly functionalized olefins.
• Pharmaceutical Intermediate: Used in the research and development of active pharmaceutical ingredients (APIs) requiring brominated aromatic systems.
• Agrochemical Synthesis: Serves as a building block for novel herbicides, fungicides, and insecticides where bromine atoms enhance biological activity.
• Flame Retardant Precursor: Acts as a critical intermediate in the synthesis of high-performance, brominated flame retardants for polymers and textiles.
• Ligand and Catalyst Development: Utilized in the preparation of specialized phosphonium-based ligands for catalysis.
• Advanced Material Research: Employed in the creation of organic electronic materials and liquid crystals.
• Polymer Modification: Used to introduce brominated functional groups into polymer backbones to alter physical properties.

Basic Information

Product Name	[(Pentabromophenyl)Methyl]Triphenylphosphonium Bromide
CAS No.	83929-70-8
Molecular Formula	C25H17Br6P
Molecular Weight	839.69 g/mol
Synonyms	Pentabromobenzyltriphenylphosphonium Bromide; (Pentabromobenzyl)triphenylphosphonium Bromide; α-(Pentabromophenyl)methyltriphenylphosphonium Bromide; Triphenyl(pentabromobenzyl)phosphonium Bromide; PBB-TPP Bromide; 83929-70-8; [(C6Br5)CH2]PPh3Br; (Pentabromobenzyl)triphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Our [(Pentabromophenyl)Methyl]Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) is provided, detailing results from tests including assay (HPLC/NMR), identification (IR), and impurity profiling. We support cGMP and ISO compliant production for critical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). The product is moisture-sensitive; keep the container tightly sealed under an inert atmosphere such as nitrogen or argon to prevent degradation. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥97.0%
Melting Point	Contact for details
Loss on Drying	≤1.0%
Heavy Metals	≤20 ppm
Residual Solvents	Meets ICH guidelines

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