Description

1,2-Bis(Dichlorothiophosphonyl)Ethane is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its unique thiophosphonyl chloride functional groups make it a valuable building block for creating complex ligands, flame retardants, and agrochemical active ingredients. This high-purity intermediate is essential for research and development laboratories and production facilities in the pharmaceutical, agrochemical, and specialty polymer industries seeking reliable and consistent raw materials.

Application

• Agrochemical Intermediate: Key precursor in the synthesis of novel insecticides, herbicides, and fungicides, leveraging its phosphorus-sulfur chemistry.
• Flame Retardant Synthon: Used to manufacture phosphorus-based flame retardants for engineering plastics, textiles, and coatings.
• Ligand Synthesis: Serves as a starting material for creating complex chelating agents and catalysts used in metalorganic chemistry and homogeneous catalysis.
• Pharmaceutical Research: Employed in medicinal chemistry for the development of new drug candidates, particularly those targeting enzyme inhibition.
• Polymer Modification: Used to introduce thiophosphonate groups into polymer backbones to alter material properties like adhesion, stability, and flame resistance.

Basic Information

Product Name	1,2-Bis(Dichlorothiophosphonyl)Ethane
CAS No.	1661-12-7
Molecular Formula	C2H4Cl4O2P2S2
Molecular Weight	348.91 g/mol
Synonyms	Ethane-1,2-diyl bis(dichlorophosphonothioate); 1,2-Ethanediyl Phosphorochloridothioate; Dichlorophosphonothioic Acid, 1,2-Ethanediyl Ester; NSC 163082; Bis(dichlorothiophosphoryl)ethane; Ethylene bis(dichlorothiophosphate); 1,2-Bis(dichlorophosphonothioyl)ethane
EINECS	Contact for details

Quality Control

Every batch of 1,2-Bis(Dichlorothiophosphonyl)Ethane is manufactured and tested under strict quality management systems. We ensure compliance with relevant industry standards through rigorous analytical controls. A comprehensive Certificate of Analysis (COA), detailing purity, identity, and impurity profiles, is provided with each shipment to guarantee supply reliability and product consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong bases, oxidizing agents, and moisture. Due to its sensitivity to hydrolysis and oxidation, it is recommended to store under an inert atmosphere (e.g., nitrogen or argon) for long-term stability. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 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.