Description

Methyl Phosphorodichloridite is a key organophosphorus intermediate used in the synthesis of complex phosphorus-containing compounds. Its high reactivity makes it an essential building block for creating specialized ligands, flame retardants, and agrochemicals. This product is primarily sought by manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries for research and production-scale applications.

Application

• Pharmaceutical Intermediate: Synthesis of novel organophosphorus compounds for drug discovery and active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Key precursor in the production of advanced pesticides, herbicides, and plant growth regulators.
• Ligand & Catalyst Preparation: Building block for creating phosphite and phosphonite ligands used in homogeneous catalysis (e.g., hydroformylation, hydrogenation).
• Flame Retardant Production: Intermediate in the manufacture of phosphorus-based flame retardants for polymers and textiles.
• Chemical Research (R&D): Versatile reagent for academic and industrial research in organophosphorus chemistry.
• Specialty Polymer Modifier: Used to introduce phosphorus functionalities into polymer backbones to alter material properties.

Basic Information

Product Name	Methyl Phosphorodichloridite
CAS No.	3279-26-3
Molecular Formula	CH3Cl2OP
Molecular Weight	132.91 g/mol
Synonyms	Methyl Dichlorophosphinite; Dichloro(methoxy)phosphine; Methoxydichlorophosphine; Methyl Phosphonous Dichloride; Phosphorodichloridous Acid Methyl Ester; Dichlorophosphinous Acid Methyl Ester; CH3OPCl2
EINECS	221-915-8

Quality Control

Our Methyl Phosphorodichloridite is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including GC and NMR analysis, to ensure high purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Due to its hygroscopic and moisture-sensitive nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent decomposition. Keep away from strong acids and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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