Description

(3-Fluorobenzyl)(Triphenyl)Phosphonium Chloride is a high-purity, specialty phosphonium salt widely utilized as a key reagent in advanced organic synthesis. Its primary value lies in its role as a versatile ylide precursor for Wittig olefination reactions, enabling the efficient construction of carbon-carbon double bonds with high stereoselectivity. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require reliable building blocks for developing novel active ingredients and functional molecules.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating stabilized ylides to synthesize alkenes, particularly those containing fluorinated aromatic moieties.
• Pharmaceutical Intermediate: Used in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs) where the introduction of a fluorobenzyl group is required.
• Agrochemical Synthesis: Employed in creating novel herbicides, fungicides, and insecticides that benefit from the unique properties of fluorine in bioavailability and stability.
• Ligand & Catalyst Preparation: Acts as a starting material for synthesizing phosphine-based ligands and organocatalysts used in asymmetric catalysis.
• Material Science Research: Utilized in the development of specialty polymers, liquid crystals, and organic electronic materials.
• Academic & R&D Laboratories: A fundamental tool for methodological development and exploratory organic synthesis in university and industrial research settings.

Basic Information

Product Name	(3-Fluorobenzyl)(Triphenyl)Phosphonium Chloride
CAS No.	55128-97-7
Molecular Formula	C25H21ClFP
Molecular Weight	405.86 g/mol
Synonyms	(3-Fluorobenzyl)triphenylphosphonium chloride; 3-Fluorobenzyltriphenylphosphonium chloride; m-Fluorobenzyltriphenylphosphonium chloride; Triphenyl(3-fluorobenzyl)phosphonium chloride; (3-Fluorophenylmethyl)triphenylphosphonium chloride; Phosphonium, (3-fluorobenzyl)triphenyl-, chloride; Wittig Reagent (3-Fluorobenzyl)
EINECS	Contact for details

Quality Control

Our (3-Fluorobenzyl)(Triphenyl)Phosphonium Chloride is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity suitable for demanding synthetic applications. Each lot is analyzed to confirm identity, purity, and impurity profiles. A comprehensive Certificate of Analysis (COA) detailing specifications such as assay, moisture content, and residual solvents is provided with every shipment to support your quality assurance and regulatory documentation.

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 should be handled under dry conditions to prevent degradation.

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.