Description

(2,3,4,5,6-Pentamethylbenzyl)(Triphenyl)Phosphonium Chloride is a high-purity, specialty phosphonium salt widely used as a key reagent in advanced organic synthesis. Its primary value lies in its role as a versatile and efficient Wittig reagent for the stereoselective formation of olefins, a critical transformation in pharmaceutical and fine chemical manufacturing. This compound is essential for R&D chemists and process engineers in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable, high-quality building blocks for complex molecule synthesis.

Application

• Wittig Olefination Reactions: A premier reagent for the synthesis of alkenes with precise control over stereochemistry (E/Z selectivity).
• Pharmaceutical Intermediates: Critical for constructing complex drug molecules, including active pharmaceutical ingredients (APIs) and candidate compounds.
• Agrochemical Synthesis: Used in the production of advanced pesticides, herbicides, and plant growth regulators.
• Liquid Crystal & OLED Materials: Serves as a key precursor in the synthesis of organic electronic materials and display components.
• Polymer Chemistry: Employed as a catalyst or monomer in the development of specialty polymers and functional materials.
• Academic & Industrial R&D: A fundamental tool for methodological development and novel synthetic route exploration in chemistry laboratories.

Basic Information

Product Name	(2,3,4,5,6-Pentamethylbenzyl)(Triphenyl)Phosphonium Chloride
CAS No.	60725-10-2
Molecular Formula	C30H32ClP
Molecular Weight	458.99 g/mol
Synonyms	Pentamethylbenzyltriphenylphosphonium Chloride; (Pentamethylbenzyl)triphenylphosphonium Chloride; 2,3,4,5,6-Pentamethylbenzyltriphenylphosphonium Chloride; Triphenyl(pentamethylbenzyl)phosphonium Chloride; Phosphonium, (2,3,4,5,6-pentamethylbenzyl)triphenyl-, chloride; WITTIG REAGENT (PENTAMETHYLBENZYL); (2,3,4,5,6-Pentamethylbenzyl)triphenylphosphonium chloride
EINECS	Contact for details

Quality Control

Our (2,3,4,5,6-Pentamethylbenzyl)(Triphenyl)Phosphonium Chloride is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including NMR, HPLC, and elemental analysis, to ensure high purity and batch-to-batch consistency suitable for sensitive synthetic applications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with each shipment.

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). Due to its hygroscopic (moisture-sensitive) nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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