Description

Thiophosphoric Acid o-[2-(Ethylsulfonyl)Ethyl]O,o-Dimethyl Ester is a specialized organophosphorus compound characterized by its unique thiophosphate and sulfonyl functional groups. This chemical structure makes it a valuable intermediate for synthesizing advanced agrochemicals and pharmaceuticals, where it acts as a key building block for active ingredients. It is primarily sought by research and development chemists, process engineers, and manufacturers in the agrochemical and fine chemical sectors for creating novel compounds with targeted biological activity.

Application

• Agrochemical Intermediate: A critical precursor in the synthesis of novel insecticides, acaricides, and fungicides, leveraging its organothiophosphate backbone.
• Pharmaceutical Synthesis: Serves as a versatile building block for developing active pharmaceutical ingredients (APIs), particularly in medicinal chemistry research.
• Chemical Research & Development: Used in academic and industrial R&D labs for exploring new reactions and creating libraries of sulfur- and phosphorus-containing compounds.
• Fine Chemical Manufacturing: Employed in the production of specialized chemicals where the introduction of a sulfonylethyl thiophosphate group is required.

Basic Information

Product Name	Thiophosphoric Acid o-[2-(Ethylsulfonyl)Ethyl]O,o-Dimethyl Ester
CAS No.	25476-48-6
Molecular Formula	C6H15O5PS2
Molecular Weight	262.29 g/mol
Synonyms	O,O-Dimethyl O-[2-(ethylsulfonyl)ethyl] phosphorothioate; Phosphorothioic acid, O-[2-(ethylsulfonyl)ethyl] O,O-dimethyl ester; 2-(Ethylsulfonyl)ethanol O-ester with O,O-dimethyl phosphorothioate; Sulemephos (common name); ENT 27822; OMS 1155; NSC 190987
EINECS	Contact for details

Quality Control

Our production of Thiophosphoric Acid o-[2-(Ethylsulfonyl)Ethyl]O,o-Dimethyl Ester adheres to stringent quality management protocols. Every batch undergoes comprehensive analytical testing, including chromatography and spectroscopy, to ensure identity, purity, and consistency meet exacting standards. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee traceability and support your quality assurance processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from heat, sparks, and open flame. Due to the chemical nature of organophosphorus compounds, isolate from strong oxidizing agents and strong bases.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	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.