Description

Diethylphosphinothioic Chloride is a versatile organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its primary value lies in its reactive phosphorus-chlorine bond, enabling the efficient construction of complex molecules for specialized applications. This high-purity reagent is essential for research and production in the agrochemical and pharmaceutical sectors, where it is used to create novel active ingredients and functional materials.

Application

• Agrochemical Intermediate: Key building block for the synthesis of organophosphorus insecticides, herbicides, and plant growth regulators.
• Pharmaceutical Synthesis: Used in the preparation of phosphonamidate and thiophosphonate analogs for drug discovery and development.
• Ligand Precursor: Serves as a starting material for the synthesis of specialized phosphine sulfide ligands used in catalysis.
• Flame Retardant Additive: Intermediate in the production of phosphorus-based flame retardants for polymers and materials.
• Chemical Research: A valuable reagent for academic and industrial R&D in organophosphorus chemistry.
• Material Science: Used in the surface modification of materials and the creation of novel functional polymers.

Basic Information

Product Name	Diethylphosphinothioic Chloride
CAS No.	3982-89-6
Molecular Formula	C4H10ClPS
Molecular Weight	156.61 g/mol
Synonyms	Chlorodiethylphosphine Sulfide; Diethylchlorophosphine Sulfide; Diethylphosphonothioic Chloride; Diethylthiophosphinic Chloride; (Diethylphosphinothioyl)chloride; Phosphonothioic chloride, diethyl-; EINECS 223-624-8
EINECS	223-624-8

Quality Control

Our Diethylphosphinothioic Chloride is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including assay by GC or NMR and identification by FT-IR, to ensure high chemical purity and consistency. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP and ISO standards for industrial chemical production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) to prevent degradation. Keep away from heat, sparks, open flames, and incompatible materials such as strong bases and oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC/NMR)	≥ 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.