Description

(4-Ethoxybenzyl)Triphenylphosphonium Bromide is a high-purity, specialty phosphonium 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, a fundamental method for the selective formation of carbon-carbon double bonds. 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 complex molecule construction.

Application

• Wittig Olefination Reagent: A crucial precursor for generating stabilized ylides used in the synthesis of alkenes, particularly those with electron-withdrawing groups.
• Pharmaceutical Intermediate Synthesis: Employed in the construction of complex drug molecules and bioactive compounds requiring specific alkene geometries.
• Agrochemical Active Ingredient Production: Used in the synthesis of certain herbicides, fungicides, and plant growth regulators.
• Liquid Crystal and OLED Material Development: Serves as a building block for creating conjugated organic molecules used in display and lighting technologies.
• Fine Chemical and Flavor/Fragrance Synthesis: Applied in the production of specialty chemicals and aroma compounds where precise alkene installation is needed.
• Academic and R&D Laboratories: A standard reagent for methodological development and exploratory synthesis in organic chemistry.

Basic Information

Product Name	(4-Ethoxybenzyl)Triphenylphosphonium Bromide
CAS No.	82105-88-2
Molecular Formula	C27H26BrOP
Molecular Weight	477.37 g/mol
Synonyms	4-Ethoxybenzyltriphenylphosphonium Bromide; (p-Ethoxybenzyl)triphenylphosphonium Bromide; 1-(Ethoxy-4-phenyl)-methyliumyltriphenyl-Phosphanium Bromide; Triphenyl(4-ethoxybenzyl)phosphonium Bromide; Phosphonium, (4-ethoxybenzyl)triphenyl-, bromide; (4-Ethoxybenzyl)-triphenylphosphonium Bromide; (4-Ethoxy-benzyl)-triphenyl-phosphonium Bromide
EINECS	Contact for details

Quality Control

Our (4-Ethoxybenzyl)Triphenylphosphonium Bromide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, NMR and IR for structural confirmation, and residual solvent analysis to ensure it meets exacting standards for research and industrial use. A detailed Certificate of Analysis (COA) is provided with every shipment.

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). This material is hygroscopic (moisture-sensitive) and light-sensitive (store away from light); therefore, containers must be kept sealed and desiccated when not in use to maintain product integrity.

Specification

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

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