Description

2-Thienylmethyltriphenylphosphonium Chloride is a versatile organophosphorus salt widely used as a key reagent in organic synthesis. Its primary value lies in its role as a stable ylide precursor for the Wittig reaction, enabling the efficient synthesis of alkenes and complex molecular frameworks. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials industries seeking to construct carbon-carbon double bonds with precise stereochemical control.

Application

• Wittig Olefination Reagent: A fundamental reagent for the conversion of carbonyl compounds (aldehydes, ketones) into alkenes, crucial for building complex organic molecules.
• Pharmaceutical Intermediate Synthesis: Used in the production of active pharmaceutical ingredients (APIs) and drug candidates, particularly those containing thiophene or alkene moieties.
• Agrochemical Manufacturing: Employed in the synthesis of herbicides, fungicides, and insecticides that require specific alkene structures for biological activity.
• Material Science & Liquid Crystals: Serves as a building block for creating organic semiconductors, conductive polymers, and liquid crystal compounds.
• Fine Chemical & Specialty Chemical Production: Applied in the synthesis of flavors, fragrances, dyes, and other high-value specialty chemicals.
• Academic & R&D Laboratories: A staple reagent in research for methodological development and the exploration of new synthetic pathways.

Basic Information

Product Name	2-Thienylmethyltriphenylphosphonium Chloride
CAS No.	3462-99-5
Molecular Formula	C23H20ClPS
Molecular Weight	394.88 g/mol
Synonyms	(2-Thienylmethyl)triphenylphosphonium chloride; 2-Thienylmethyl(triphenyl)phosphonium chloride; Triphenyl(2-thienylmethyl)phosphonium chloride; (Thiophen-2-ylmethyl)triphenylphosphonium chloride; Phosphonium, (2-thienylmethyl)triphenyl-, chloride; Thiophene-2-methyltriphenylphosphonium chloride
EINECS	Contact for details

Quality Control

Our 2-Thienylmethyltriphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including HPLC, NMR, and elemental analysis, to ensure high 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 area at room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and should be handled under dry conditions to maintain stability and performance.

Specification

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

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