Description

Phosphonothioic Acid, Ethyl-, o-Ethyl Ester, Anhydride With O,o-Diethy Lphosphorothioate is a specialized organophosphorus compound with a complex structure, serving as a key intermediate in advanced chemical synthesis. Its value lies in its unique reactivity profile, which enables the construction of sophisticated molecular architectures. This product is essential for research and development chemists and manufacturers in the agrochemical and pharmaceutical sectors, where it is used to develop novel active ingredients and fine chemicals.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of novel insecticides, acaricides, and herbicides, leveraging its phosphonothioate backbone.
• Pharmaceutical Research: Used as a specialized synthon for creating potential drug candidates, particularly in medicinal chemistry programs targeting enzymes.
• Chemical Synthesis: Serves as a versatile precursor for the preparation of other organophosphorus compounds, including ligands and flame retardants.
• Material Science: Investigated for use in modifying polymer properties or creating functional materials with specific surface characteristics.

Basic Information

Product Name	Phosphonothioic Acid, Ethyl-, o-Ethyl Ester, Anhydride With O,o-Diethy Lphosphorothioate
CAS No.	63815-52-1
Molecular Formula	C8H20O4P2S2
Molecular Weight	306.32 g/mol
Synonyms	O,O-Diethyl S-[2-(ethylthio)ethyl] phosphorothioate; Ethyl phosphonothioic acid O-ethyl ester anhydride with O,O-diethyl phosphorothioate; Phosphorothioic acid, O,O-diethyl ester, S-ester with ethyl ethylphosphonothioate; Anhydride of ethyl ethylphosphonothioate with O,O-diethyl phosphorothioate; CAS 63815-52-1
EINECS	Contact for details

Quality Control

Every batch of Phosphonothioic Acid, Ethyl-, o-Ethyl Ester, Anhydride With O,o-Diethy Lphosphorothioate is produced and tested under a strict quality management system to ensure consistency and reliability for your synthetic processes. We provide comprehensive Certificates of Analysis (COA) with each shipment, detailing key parameters such as purity (by GC/HPLC), identity confirmation, and impurity profiles. Our commitment to supply chain integrity and batch-to-batch reproducibility supports your critical R&D and scale-up activities.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at a controlled room temperature (15-25°C). Due to its properties of being easily oxidized (store under inert atmosphere) and highly volatile, it is recommended to keep the container sealed under an inert gas (e.g., nitrogen or argon) when not in use and to minimize exposure to air and moisture. Keep away from strong bases and organic solvents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	Individual impurity ≤ 1.0%; Total impurities ≤ 3.0%

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