Description

Phenylthiophosphonic Dichloride is a versatile organophosphorus reagent characterized by its reactive dichloride and thiophosphoryl groups. This compound is essential for the synthesis of various thiophosphonate derivatives, which are key intermediates in agrochemical and pharmaceutical research. It is particularly valuable for manufacturers and R&D laboratories developing novel crop protection agents, flame retardants, and ligands for metal catalysis.

Application

• Agrochemical Intermediate: A critical building block for synthesizing insecticides, herbicides, and fungicides containing the thiophosphonate moiety.
• Pharmaceutical Synthesis: Used in the preparation of bioactive molecules and potential drug candidates, especially those requiring phosphorus-sulfur bonds.
• Flame Retardant Production: Serves as a precursor in the manufacture of specialized flame-retardant additives for polymers and materials.
• Ligand and Catalyst Preparation: Employed to create novel thiophosphonate ligands for transition metal catalysts used in organic synthesis.
• Chemical Research & Development: A valuable reagent for exploring new reactions and creating custom organophosphorus compounds in academic and industrial labs.
• Polymer Modification: Can be used to introduce thiophosphonate functional groups into polymer chains to alter material properties.

Basic Information

Product Name	Phenylthiophosphonic Dichloride
CAS No.	3497-00-5
Molecular Formula	C6H5Cl2PS
Molecular Weight	211.04 g/mol
Synonyms	Phenylphosphonothioic Dichloride; Thiophosphonic Acid, Phenyl-, Dichloride; Phenylthiophosphonyl Chloride; Phenylphosphonothioic Dichloride; Benzenethiophosphonic Dichloride; Dichloro(phenylthio)phosphine; Phenylphosphonothioyl Dichloride
EINECS	222-492-6

Quality Control

Our Phenylthiophosphonic Dichloride is produced under stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by titration and impurity profiling, to ensure high purity and consistency. A Certificate of Analysis (COA) detailing all specifications is provided with every shipment to guarantee compliance with your research and production requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area. Due to its hygroscopic (moisture-sensitive) nature, containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent decomposition. Handle and store away from strong acids and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Titration)	≥ 98.0 %
Density (at 20°C)	~1.40 g/cm³
Refractive Index (n20D)	~1.610

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