Description

Thiobis(Methylenethio)Bis[Ethylphosphinothioic Acid o-Methyl] Ester is a specialized organophosphorus compound with a complex sulfur-bridged structure, serving as a critical intermediate in advanced chemical synthesis. This compound matters for its role in creating high-performance materials and fine chemicals where specific phosphorus-sulfur functionalities are required. It is primarily needed by research institutions and industrial manufacturers in the agrochemical, polymer additive, and pharmaceutical sectors for developing novel active ingredients and functional modifiers.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel insecticides, fungicides, and plant growth regulators, leveraging its unique phosphorus-sulfur chemistry.
• Polymer Additive Precursor: Used to manufacture specialized antioxidants, flame retardants, and stabilizers for high-performance plastics and elastomers.
• Ligand Synthesis: Serves as a precursor for creating complex ligands used in catalysis and metal extraction processes.
• Pharmaceutical Research: Employed as an advanced intermediate in medicinal chemistry for developing new therapeutic agents.
• Lubricant & Fuel Additive Component: Imparts extreme pressure and anti-wear properties when incorporated into additive packages.
• Chemical Synthesis Reagent: Utilized in organic synthesis to introduce specific thiophosphoryl or dithiophosphoryl groups into target molecules.

Basic Information

Product Name	Thiobis(Methylenethio)Bis[Ethylphosphinothioic Acid o-Methyl] Ester
CAS No.	18300-07-7
Molecular Formula	C10H22O4P2S6
Molecular Weight	476.58 g/mol
Synonyms	Bis(O-methyl ethylphosphonodithioate) disulfide; Ethylphosphonodithioic acid, O-methyl ester, dimer with dimethanethiol sulfoxide; S,S'-[Dithiobis(methylenethio)]bis[O-methyl ethylphosphonodithioate]; Phosphonodithioic acid, ethyl-, O-methyl ester, dimer with dimethanethiol sulfoxide; O,O'-Dimethyl S,S'-(dithiodimethylene) bis(ethylphosphonodithioate); Ethyl O-methylphosphonodithioate disulfide dimer; Contact for additional trade names.
EINECS	Contact for details

Quality Control

Our production of Thiobis(Methylenethio)Bis[Ethylphosphinothioic Acid o-Methyl] Ester adheres to stringent internal quality standards to ensure batch-to-batch consistency and purity for your critical applications. 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 protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents and strong bases. For long-term storage, consider an inert atmosphere to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Related Substances (HPLC)	Individual impurity ≤ 1.0%; Total impurities ≤ 5.0%

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