Description

(Chloromethyl)Triphenylphosphonium Chloride is a versatile and highly reactive Wittig reagent salt, essential for the formation of carbon-carbon double bonds. Its primary value lies in enabling the synthesis of alkenes and other complex organic molecules through the Wittig reaction, a cornerstone of modern synthetic chemistry. This compound is critically needed by research chemists and process development scientists in the pharmaceutical, agrochemical, and advanced materials industries for constructing key molecular frameworks.

Application

• Wittig Olefination Reactions: The primary application for synthesizing alkenes from carbonyl compounds (aldehydes and ketones).
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and complex drug candidates.
• Agrochemical Manufacturing: Key reagent for creating specific alkene-containing structures in pesticides and herbicides.
• Material Science Research: Employed in the synthesis of organic light-emitting diodes (OLEDs) and other functional polymers.
• Academic & Industrial R&D: A fundamental tool for method development and exploratory synthesis in organic chemistry laboratories.
• Fine Chemical Production: Used in the manufacture of specialty chemicals, flavors, and fragrances requiring specific alkene geometries.

Basic Information

Item	Detail
Product Name	(Chloromethyl)Triphenylphosphonium Chloride
CAS No.	5293-84-5
Molecular Formula	C19H17Cl2P
Molecular Weight	347.22 g/mol
Synonyms	(Chloromethyl)triphenylphosphonium chloride; Chloromethyltriphenylphosphonium chloride; Triphenylphosphonium chloromethyl chloride; (Chloromethyl)triphenylphosphorus chloride; Phosphonium, (chloromethyl)triphenyl-, chloride; Wittig reagent salt; CTPC; P-(Chloromethyl)triphenylphosphonium chloride
EINECS	226-124-8

Quality Control

Our (Chloromethyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a Wittig reagent. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided and available upon request to support your quality assurance protocols.

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 nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect reactivity. Keep away from incompatible materials.

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%

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