Description

2-(Methylsulfonyl)Ethyl Dichloro- Phosphite is a specialized organophosphorus compound characterized by its reactive dichlorophosphite group and methylsulfonylethyl moiety. This unique structure makes it a valuable intermediate in the synthesis of complex phosphorus-containing molecules, particularly for applications requiring specific reactivity and functional group compatibility. It is primarily sought by research and development chemists and process engineers in the agrochemical and pharmaceutical industries for creating novel active ingredients and advanced ligands.

Application

• Agrochemical Intermediate: A key building block for the synthesis of novel insecticides, herbicides, and fungicides, where the phosphorus center is incorporated into the final active molecule.
• Pharmaceutical Synthesis: Used in the research and development of potential drug candidates, especially in creating phosphate or phosphonate prodrugs and other bioactive organophosphorus compounds.
• Ligand and Catalyst Preparation: Serves as a precursor for the development of specialized phosphite and phosphonite ligands used in asymmetric catalysis and transition metal complexes.
• Flame Retardant Synthon: Can be utilized in the production of advanced, phosphorus-based flame retardant additives for polymers and materials.
• Chemical Research: Employed in academic and industrial R&D settings for exploring new reactions in organophosphorus chemistry and developing new synthetic methodologies.
• Polymer Modification: Acts as a reactive intermediate for introducing phosphorus functional groups into polymer chains to alter material properties.

Basic Information

Product Name	2-(Methylsulfonyl)Ethyl Dichloro- Phosphite
CAS No.	91290-08-3
Molecular Formula	C3H7Cl2O3PS
Molecular Weight	225.03 g/mol
Synonyms	2-(Methanesulfonyl)ethyl Phosphorodichloridite; Dichloro[2-(methylsulfonyl)ethoxy]phosphine; Phosphorodichloridous acid, 2-(methylsulfonyl)ethyl ester; 2-(Methylsulfonyl)ethanol Phosphorodichloridite; (2-Methanesulfonylethyl) Dichlorophosphite
EINECS	Contact for details

Quality Control

Our 2-(Methylsulfonyl)Ethyl Dichloro- Phosphite is manufactured under strict quality management protocols. Every batch undergoes rigorous analytical testing, including assay by titration and impurity profiling, to ensure high purity and consistency. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and relevant physical parameters is provided with each shipment to guarantee compliance with your research and process specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Purity (GC/HPLC)	≥ 92.0%
Water Content (KF)	≤ 0.5%
Chloride Content	Conforms

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