Description

o-Ethyl-S-[2-(Diethylamino)Ethyl]Methylphosphonothiate is a specialized organophosphorus compound with a unique thiophosphonate structure. This chemical is valued for its role as a key intermediate in the synthesis of advanced pharmaceuticals and agrochemicals, where its specific reactivity is leveraged to build complex molecular architectures. It is primarily sought by research and development teams in the fine chemical, crop protection, and medicinal chemistry sectors for creating novel active ingredients and functional materials.

Application

• Pharmaceutical Intermediate: A critical building block in the synthesis of novel drug candidates, particularly those targeting neurological pathways.
• Agrochemical Synthesis: Used in the production of advanced insecticides and pesticides, leveraging its organophosphorus backbone.
• Chemical Research & Development: Serves as a versatile reagent for exploring new reactions in organophosphorus chemistry and catalysis.
• Ligand Precursor: Acts as a starting material for synthesizing specialized ligands used in metal coordination chemistry and catalysis.
• Fine Chemical Manufacturing: Employed in the custom synthesis of complex, high-value specialty chemicals for various industrial applications.

Basic Information

Product Name	o-Ethyl-S-[2-(Diethylamino)Ethyl]Methylphosphonothiate
CAS No.	21770-86-5
Molecular Formula	C10H24NO2PS
Molecular Weight	253.34 g/mol
Synonyms	Ethyl S-[2-(Diethylamino)ethyl] methylphosphonothioate; Methylphosphonothioic acid O-ethyl ester S-[2-(diethylamino)ethyl] ester; O-Ethyl S-(2-diethylaminoethyl) methylphosphonothioate; Phosphonothioic acid, methyl-, O-ethyl ester, S-ester with 2-(diethylamino)ethanethiol; EA 3148; TL 1238; CAS 21770-86-5
EINECS	Contact for details

Quality Control

Our o-Ethyl-S-[2-(Diethylamino)Ethyl]Methylphosphonothiate is manufactured under strict quality management systems. Every batch undergoes rigorous analytical testing, including HPLC and GC analysis, to ensure identity, purity, and consistency. A comprehensive Certificate of Analysis (COA) detailing all specifications is provided with each 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 at a controlled room temperature (15-25°C). Due to its properties as a strong acid/organic solvent and highly volatile nature, keep away from heat, sparks, and open flame. Ensure containers are kept tightly sealed to prevent evaporation and moisture ingress.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Related Substances (HPLC)	Total impurities ≤ 3.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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