Description

Thiophosphoric Acid O,o-Dibutyl S-[Bis(Dibutoxyphosphinyl)Methyl] Ester is a specialized organophosphorus compound with a complex structure featuring multiple phosphinyl and butyloxy groups. This chemical is valued for its role as a key intermediate and functional additive in advanced material synthesis and specialty chemical manufacturing. It is primarily sought by R&D laboratories and industrial producers in the agrochemical, polymer, and lubricant additive sectors for developing novel products with enhanced performance characteristics.

Application

• Agrochemical Intermediate: A critical building block in the synthesis of novel insecticides, acaricides, and fungicides, contributing to unique modes of action.
• Polymer Additive: Used as a flame retardant synergist or plasticizer component in specialized polymer formulations to improve material properties.
• Lubricant & Fuel Additive: Functions as an extreme pressure (EP) additive or anti-wear agent in high-performance lubricants and industrial oils.
• Chemical Synthesis: Serves as a versatile phosphorylating or thiophosphorylating agent in organic synthesis for pharmaceuticals and fine chemicals.
• Metal Extraction & Chelation: Employed in solvent extraction processes for the separation and recovery of specific metal ions.
• Corrosion Inhibition: Acts as a component in corrosion inhibitor formulations for industrial water treatment and metal surface protection.

Basic Information

Product Name	Thiophosphoric Acid O,o-Dibutyl S-[Bis(Dibutoxyphosphinyl)Methyl] Ester
CAS No.	73972-83-5
Molecular Formula	C₂₉H₆₄O₁₀P₄S
Molecular Weight	746.77 g/mol
Synonyms	O,O-Dibutyl S-[bis(dibutoxyphosphinyl)methyl] phosphorothioate; Phosphorothioic acid, O,O-dibutyl ester, S-ester with bis(dibutoxyphosphinyl)methanol; S-[Bis(dibutoxyphosphinyl)methyl] O,O-dibutyl phosphorothioate; CAS 73972-83-5; Tetrakis(dibutoxyphosphinyl)thiomethane (derivative); Thiophosphoric acid derivative 73972-83-5
EINECS	Contact for details

Quality Control

Our production of Thiophosphoric Acid O,o-Dibutyl S-[Bis(Dibutoxyphosphinyl)Methyl] Ester adheres to stringent quality management protocols to ensure batch-to-batch consistency and purity. Each lot undergoes comprehensive analysis including assay, identification, and impurity profiling. A Certificate of Analysis (COA) documenting specific results is provided with every shipment to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). Keep away from heat, open flames, and incompatible materials such as strong oxidizing agents. Due to the complex organophosphorus structure, long-term storage under an inert atmosphere (e.g., nitrogen) is recommended to maintain product integrity.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.05 - 1.15
Refractive Index (20°C)	1.460 - 1.480

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