Description

(Methylthiomethyl)Triphenylphosphonium Chloride is a versatile organophosphorus reagent widely used in organic synthesis. Its primary value lies in its role as a key precursor for generating sulfur-stabilized ylides, enabling critical carbon-carbon bond-forming reactions. This compound is essential for researchers and process chemists in the pharmaceutical, agrochemical, and advanced materials sectors who require high-purity intermediates for complex molecule construction.

Application

• Wittig Reaction Reagent: Serves as a crucial precursor for generating sulfur-substituted methylene ylides, facilitating the synthesis of vinyl sulfides and other olefination products.
• Pharmaceutical Intermediate: Used in the synthesis of complex drug molecules and active pharmaceutical ingredients (APIs) requiring sulfur-containing functional groups.
• Agrochemical Synthesis: Employed in the production of herbicides, fungicides, and insecticides where specific sulfur-based moieties are required for biological activity.
• Material Science Research: Acts as a building block for creating novel polymers, ligands, and functional materials with tailored properties.
• Organic Methodology Development: A valuable tool for chemists developing new synthetic routes and catalytic cycles in academic and industrial R&D settings.
• Fine Chemical Production: Utilized in the multi-step synthesis of specialty chemicals, flavors, and fragrances.

Basic Information

Product Name	(Methylthiomethyl)Triphenylphosphonium Chloride
CAS No.	1779-54-0
Molecular Formula	C20H20ClPS
Molecular Weight	358.86 g/mol
Synonyms	Triphenyl(methylthiomethyl)phosphonium Chloride; (Methylthiomethyl)triphenylphosphonium Chloride; Methylthiomethyltriphenylphosphonium Chloride; (Methylsulfanylmethyl)triphenylphosphonium Chloride; Phosphonium, (methylthiomethyl)triphenyl-, chloride; (Methylmercaptomethyl)triphenylphosphonium Chloride; MTT Chloride; (Methylthio)methyltriphenylphosphonium Chloride
EINECS	217-219-7

Quality Control

Our (Methylthiomethyl)Triphenylphosphonium Chloride is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including NMR, HPLC, and titration methods, to ensure high chemical purity and consistency. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are provided with every shipment to support your quality assurance and regulatory documentation needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (15-25°C). Due to its hygroscopic nature, the container must be kept tightly sealed to prevent moisture absorption, which can affect product stability and performance. 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%
Residue on Ignition	≤ 0.1%

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