Description

Triphenyl-(3,4,5-Trimethoxy-Benzyl)-Phosphonium, Bromide is a high-purity, organophosphonium salt compound, serving as a critical reagent in advanced organic synthesis. Its primary value lies in its role as a versatile Wittig reagent or phase-transfer catalyst, enabling the efficient construction of complex molecular frameworks. This product is essential for research and development chemists in the pharmaceutical, agrochemical, and fine chemical industries, where it is used to synthesize novel active ingredients and specialty intermediates.

Application

• Wittig Olefination Reactions: Key reagent for the synthesis of alkenes from carbonyl compounds, crucial for creating pharmaceutical intermediates and natural product analogs.
• Phase-Transfer Catalysis (PTC): Facilitates reactions between reagents in immiscible phases, improving yields in alkylation and other key industrial processes.
• Pharmaceutical Intermediate Synthesis: Used in the production of complex drug candidates, particularly those requiring specific alkene geometries or methoxy-substituted aromatic systems.
• Agrochemical Active Ingredient Development: Employed in the research and scale-up of novel herbicides, fungicides, and plant growth regulators.
• Ligand and Catalyst Precursor: Serves as a starting material for synthesizing specialized phosphine ligands used in transition metal catalysis.
• Material Science Research: Investigated for the preparation of ionic liquids or functional polymers with specific thermal or solubility properties.

Basic Information

Item	Details
Product Name	Triphenyl-(3,4,5-Trimethoxy-Benzyl)-Phosphonium, Bromide
CAS No.	61240-20-8
Molecular Formula	C28H28BrO3P
Molecular Weight	523.40 g/mol
Synonyms	(3,4,5-Trimethoxybenzyl)triphenylphosphonium bromide; Triphenyl(3,4,5-trimethoxybenzyl)phosphonium bromide; Gallium Bromide (3,4,5-Trimethoxybenzyl)triphenylphosphonium salt; Phosphonium, (3,4,5-trimethoxybenzyl)triphenyl-, bromide; Wittig Reagent (3,4,5-Trimethoxybenzyl)triphenylphosphonium bromide; P-(3,4,5-Trimethoxybenzyl)triphenylphosphonium bromide
EINECS	Contact for details

Quality Control

Our Triphenyl-(3,4,5-Trimethoxy-Benzyl)-Phosphonium, Bromide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation via spectroscopic methods, to ensure it meets the high standards required for synthetic applications. A comprehensive Certificate of Analysis (COA) detailing purity, assay, and impurity profiles 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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product performance. Keep away from incompatible materials.

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.