Description

o-Methyl Dichlorothiophosphate is a key organophosphorus intermediate with significant utility in synthetic chemistry. Its primary value lies in its role as a versatile building block for the synthesis of more complex thiophosphate esters and related compounds. This product is essential for manufacturers and R&D laboratories in the agrochemical and pharmaceutical sectors, where it is used to create active ingredients and specialized ligands.

Application

• Agrochemical Synthesis: A critical precursor in the manufacture of organophosphate insecticides and acaricides.
• Pharmaceutical Intermediates: Used in the synthesis of novel drug candidates and active pharmaceutical ingredients (APIs).
• Chemical Research & Development: Serves as a versatile reagent for constructing P-S and P-O bonds in experimental chemistry.
• Ligand Preparation: Employed in the development of specialized ligands for catalysis and metal complexation.
• Flame Retardant Formulations: Can be utilized as an intermediate in the production of certain flame-retardant additives.
• Polymer Modification: Acts as a modifying agent or cross-linking intermediate in specialty polymer chemistry.

Basic Information

Product Name	o-Methyl Dichlorothiophosphate
CAS No.	2523-94-6
Molecular Formula	C1H3Cl2O2PS
Molecular Weight	196.97 g/mol
Synonyms	Methyl Dichlorothiophosphate; Methyl Phosphorodichloridothioate; Dichloro(methoxy)phosphine Sulfide; O-Methyl Phosphorodichloridothioate; Thiophosphoryl Chloride Methyl Ester; Methyl Thiophosphorodichloridate; CAS 2523-94-6; Phosphorodichloridothioic Acid O-Methyl Ester
EINECS	219-764-9

Quality Control

Our o-Methyl Dichlorothiophosphate is manufactured under strict quality management protocols to ensure batch-to-batch consistency and high purity. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as assay, identity, and impurity profiles. Our quality commitment aligns with industrial chemical standards, and we support our clients' needs for regulatory documentation.

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). Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed to exclude moisture. Store away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 98.0%
Density (at 20°C)	~1.55 g/cm³
Refractive Index (n20D)	~1.510

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