Description

Dithiophosphoric Acid O,o-Diethyl S-(Tetrahydro-2-Oxofuran-3-Yl) Ester is a specialized organophosphorus compound that serves as a key intermediate in the synthesis of advanced agrochemicals and pharmaceuticals. Its unique molecular structure, featuring a dithiophosphate ester linked to a tetrahydrofuranone moiety, provides valuable reactivity for creating molecules with targeted biological activity. This high-purity intermediate is essential for manufacturers in the crop protection and fine chemical sectors seeking to develop novel active ingredients and complex synthetic routes with reliable supply chain support.

Application

• Agrochemical Intermediate: A critical building block for the synthesis of novel insecticides, acaricides, and fungicides, particularly in the organophosphate and related chemical classes.
• Pharmaceutical Synthesis: Used as a specialized reagent or intermediate in the research and development of active pharmaceutical ingredients (APIs), especially those requiring the introduction of a sulfur-containing phosphorous group.
• Chemical Research & Development: Employed in organic synthesis for constructing complex molecules, leveraging its reactivity as a thiophosphorylating agent.
• Lubricant Additive Precursor: Can serve as an intermediate in the production of extreme pressure (EP) and anti-wear additives for industrial lubricants and metalworking fluids.
• Polymer Modification: Potentially used in the synthesis of flame retardants or as a modifying agent for specific polymer systems.

Basic Information

Product Name	Dithiophosphoric Acid O,o-Diethyl S-(Tetrahydro-2-Oxofuran-3-Yl) Ester
CAS No.	3659-04-9
Molecular Formula	C8H15O3PS2
Molecular Weight	254.31 g/mol
Synonyms	O,O-Diethyl S-(Tetrahydro-2-oxo-3-furanyl) Phosphorodithioate; Phosphorodithioic Acid, O,O-Diethyl Ester, S-Ester with 3-Hydroxydihydro-2(3H)-furanone; S-(Tetrahydro-2-oxo-3-furanyl) O,O-Diethyl Phosphorodithioate; 3-[(Diethoxyphosphinothioyl)thio]dihydrofuran-2(3H)-one; Dithiophosphoric Acid O,O-Diethyl Ester S-Ester with 3-Hydroxy-4,5-dihydrofuran-2(3H)-one
EINECS	Contact for details

Quality Control

Our production of Dithiophosphoric Acid O,o-Diethyl S-(Tetrahydro-2-Oxofuran-3-Yl) Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to confirm identity and assay. Certificates of Analysis (COA) detailing all relevant specifications are provided with every shipment. We support customer audits and can supply material meeting specific impurity profiles for advanced synthetic applications.

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). Keep away from heat, sparks, open flames, and strong oxidizing agents. The container should be kept tightly sealed when not in use to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC/HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (GC)	≤ 4.0% total
Specific Gravity (20°C)	1.20 - 1.30

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