Description

Phenyl-Phosphonothioic Acid Diethyl Ester is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. This product is valued for its unique thiophosphonate ester structure, which provides a versatile platform for constructing complex molecules. It is primarily sought by research institutions and industrial manufacturers in the agrochemical and pharmaceutical sectors for the development of novel active ingredients and ligands.

Application

• Key intermediate in the synthesis of organophosphorus agrochemicals, such as insecticides and herbicides.
• Building block for pharmaceutical research, particularly in developing enzyme inhibitors and prodrugs.
• Precursor for ligands and catalysts used in metal-mediated organic transformations.
• Intermediate for flame retardants and polymer additives.
• Research chemical for studying phosphorylation and thiophosphorylation reactions.
• Starting material for the preparation of other functionalized phosphonothioate esters.

Basic Information

Product Name	Phenyl-Phosphonothioic Acid Diethyl Ester
CAS No.	6231-03-4
Molecular Formula	C10H15O2PS
Molecular Weight	230.26 g/mol
Synonyms	Diethyl Phenylphosphonothioate; Diethyl Phenylphosphonothioic Acid Ester; Phenylphosphonothioic Acid O,O-Diethyl Ester; O,O-Diethyl Phenylphosphonothioate; Diethyl Phenylphosphonothioate; Phenylphosphonothioic Acid Diethyl Ester; Phenylphosphonothioic Acid Diethyl Ester; Phenylphosphonothioic Acid Diethyl Ester
EINECS	228-333-5

Quality Control

Our production of Phenyl-Phosphonothioic Acid Diethyl Ester adheres to stringent quality protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced chromatographic and spectroscopic techniques. A comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles is provided with every shipment to support your quality assurance and regulatory compliance needs.

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). Keep away from strong oxidizing agents and bases.

Specification

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