Description

Bis(Methylphosphonodithioic Acid S-Propyl)Anhydride is a specialized organophosphorus compound that serves as a critical intermediate in advanced chemical synthesis. Its unique dithiophosphonate structure makes it a valuable precursor for the development of high-performance ligands, catalysts, and agrochemicals. This product is essential for research and development laboratories, fine chemical manufacturers, and agrochemical formulators seeking to create novel compounds with specific chelating or pesticidal properties.

Application

• Agrochemical Intermediate: A key building block in the synthesis of novel organophosphorus insecticides, acaricides, and fungicides.
• Ligand Synthesis: Used to prepare dithiophosphonate ligands for metal complexation in catalysis and material science.
• Polymer Additives: Acts as a precursor for flame retardants, stabilizers, and other functional additives in polymer systems.
• Chemical Research: Employed in academic and industrial R&D for exploring new reaction pathways in organophosphorus chemistry.
• Coordination Chemistry: Serves as a chelating agent for the extraction or separation of specific metal ions.
• Lubricant Additive Precursor: Used in the development of extreme-pressure and anti-wear additives for industrial lubricants.

Basic Information

Product Name	Bis(Methylphosphonodithioic Acid S-Propyl)Anhydride
CAS No.	13413-40-6
Molecular Formula	C8H18O2P2S4
Molecular Weight	344.46 g/mol
Synonyms	Bis(S-Propyl Methylphosphonodithioate) Anhydride; S,S'-Dipropyl Methylphosphonodithioate Anhydride; Methylphosphonodithioic Acid, S-Propyl Ester, Anhydride; Phosphonodithioic Acid, Methyl-, S-Propyl Ester, Anhydride; O,O'-Dipropyl Methylphosphonodithioate Anhydride (common naming variant); Propyl Methylphosphonodithioate Dimer; Dithiophosphoric Acid S-Propyl Methyl Ester Anhydride
EINECS	Contact for details

Quality Control

Every batch of Bis(Methylphosphonodithioic Acid S-Propyl)Anhydride is produced and tested under strict quality management protocols to ensure consistency and purity for your critical applications. Our products undergo rigorous quality testing, including chromatographic analysis, to ensure compliance with industry standards. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at room temperature (15-25°C). Due to its chemical nature, keep away from strong bases and incompatible materials such as oxidizing agents. Containers must be kept tightly sealed to minimize exposure to moisture and to contain the product due to its potential volatility.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
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.