Description

Diethylthiophosphinic Acid o-[4-(Dimethylamino)Sulfonylphenyl] Ester is a specialized organophosphorus compound with a unique sulfonamide functional group. This chemical is valued for its role as a key intermediate in the synthesis of advanced materials and biologically active molecules. It is primarily sought by research institutions and manufacturers in the agrochemical and pharmaceutical sectors for developing novel active ingredients and functional additives.

Application

• Agrochemical Intermediate: A critical building block for the synthesis of novel insecticides, acaricides, and fungicides, leveraging its thiophosphinic ester moiety.
• Pharmaceutical Research: Used as a precursor in medicinal chemistry for developing potential drug candidates, particularly those targeting enzyme inhibition.
• Ligand Synthesis: Serves as a starting material for creating specialized ligands used in catalysis and metal complexation studies.
• Polymer Additives: Can be incorporated as a functional monomer or additive to impart specific properties like flame retardancy or UV stabilization to polymers.
• Chemical Synthesis: Employed in organic synthesis as a reagent for introducing the diethylthiophosphinyl and sulfonamide groups into more complex molecular architectures.

Basic Information

Product Name	Diethylthiophosphinic Acid o-[4-(Dimethylamino)Sulfonylphenyl] Ester
CAS No.	3263-82-9
Molecular Formula	C12H20NO3PS2
Molecular Weight	321.39 g/mol
Synonyms	O-[4-(Dimethylamino)sulfonylphenyl] diethylthiophosphinate; Diethyl (4-Dimethylaminosulfonylphenyl) Phosphorothioate; Phosphorothioic acid, O-[4-(dimethylamino)sulfonyl]phenyl] O,O-diethyl ester; 4-[(Diethoxyphosphinothioyl)oxy]-N,N-dimethylbenzenesulfonamide
EINECS	Contact for details

Quality Control

Our production of Diethylthiophosphinic Acid o-[4-(Dimethylamino)Sulfonylphenyl] Ester adheres to stringent in-process controls to ensure batch-to-batch consistency and high purity. Each lot is fully characterized and tested against established internal specifications. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance protocols.

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, the container must be kept tightly sealed after opening to prevent degradation from atmospheric moisture.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or solid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Melting Point	Contact for details
Loss on Drying	≤ 1.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%

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