Description

(4-Chloromethylbenzyl)Triphenylphosphonium Chloride is a high-purity, versatile phosphonium salt reagent essential for advanced organic synthesis. This compound matters as a key building block for constructing complex molecular architectures, particularly in the development of active pharmaceutical ingredients (APIs) and specialty materials. It is primarily needed by R&D chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for applications such as Wittig olefination and phase-transfer catalysis.

Application

• Pharmaceutical Intermediate Synthesis: A crucial reagent for the Wittig reaction in constructing olefin bonds for novel drug candidates and APIs.
• Agrochemical Development: Used in the synthesis of complex organic molecules for crop protection agents and pesticides.
• Liquid Crystal & OLED Material Production: Serves as a key precursor in the synthesis of advanced electronic and display materials.
• Polymer & Resin Modification: Employed as a phase-transfer catalyst or functional group introducer in specialty polymer chemistry.
• Academic & Industrial R&D: A valuable tool for methodological development and exploring new synthetic pathways in organic chemistry.
• Fine Chemical Manufacturing: Integral to the multi-step synthesis of complex fragrance, flavor, and dye intermediates.

Basic Information

Product Name	(4-Chloromethylbenzyl)Triphenylphosphonium Chloride
CAS No.	880363-94-0
Molecular Formula	C26H23Cl2P
Molecular Weight	437.34 g/mol
Synonyms	4-(Chloromethyl)benzyltriphenylphosphonium Chloride; p-(Chloromethyl)benzyltriphenylphosphonium Chloride; [(4-Chloromethyl)phenyl]methyltriphenylphosphonium Chloride; (4-Chlorobenzyl)triphenylphosphonium Chloride (common misnomer); Triphenyl(4-(chloromethyl)benzyl)phosphonium Chloride; Phosphonium, [(4-(chloromethyl)phenyl)methyl]triphenyl-, chloride; P-(Chloromethyl)benzyl Triphenylphosphonium Chloride
EINECS	Contact for details

Quality Control

Our (4-Chloromethylbenzyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high chemical purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory needs.

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 in a dry environment to prevent degradation. Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Identification (NMR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Heavy Metals	≤ 20 ppm
Residue on Ignition	≤ 0.1%

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