Description

(4-Ethylbenzyl)Triphenylphosphonium is a high-purity organophosphorus compound, specifically a quaternary phosphonium salt, widely recognized by its CAS number 207291-53-0. This chemical serves as a crucial phase-transfer catalyst and Wittig reagent precursor, enabling critical carbon-carbon bond formation in complex organic syntheses. It is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-performance intermediates for scalable production.

Application

• Pharmaceutical Intermediate Synthesis: A key reagent in the Wittig reaction for the production of alkenes, a fundamental step in creating active pharmaceutical ingredients (APIs) and complex drug molecules.
• Agrochemical Manufacturing: Used in the synthesis of specific herbicides, fungicides, and plant growth regulators that require precise alkene functional groups.
• Phase-Transfer Catalysis (PTC): Facilitates reactions between reagents in immiscible phases, improving yield and efficiency in alkylation and other industrial organic processes.
• Material Science Research: Employed in the development of novel polymers, liquid crystals, and organic electronic materials where controlled alkene introduction is necessary.
• Fine Chemical Production: Serves as a versatile building block for synthesizing specialty chemicals, flavors, and fragrances.
• Academic & Industrial R&D: A valuable tool for methodological development and exploratory synthesis in chemistry laboratories worldwide.

Basic Information

Item	Detail
Product Name	(4-Ethylbenzyl)Triphenylphosphonium
CAS No.	207291-53-0
Molecular Formula	C27H27P
Molecular Weight	382.48 g/mol
Synonyms	4-Ethylbenzyltriphenylphosphonium; (p-Ethylbenzyl)triphenylphosphonium; 1-(Triphenylphosphonio)-4-ethylbenzylide; Triphenyl(4-ethylbenzyl)phosphonium; Phosphonium, (4-ethylbenzyl)triphenyl-; (4-Ethylphenyl)methyltriphenylphosphonium
EINECS	Contact for details

Quality Control

Every batch of (4-Ethylbenzyl)Triphenylphosphonium is manufactured under a strict quality management system. We guarantee high chemical purity and consistency, with comprehensive testing including HPLC assay, NMR identification, and moisture content analysis. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to ensure compliance with your research and production requirements.

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 (moisture-sensitive) nature, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

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.