Description

Bis(Diethoxythiophosphinoyl) Trisulphide is a specialized organophosphorus compound with the CAS number 6926-73-4, primarily utilized as a key intermediate and additive in advanced chemical synthesis. Its value lies in its unique sulfur-bridged thiophosphinoyl structure, which imparts specific reactivity and functional properties essential for high-performance applications. This chemical is critically needed by manufacturers in the agrochemical, lubricant additive, and polymer industries seeking to enhance product efficacy and stability.

Application

• As a crucial intermediate in the synthesis of organophosphorus pesticides and insecticides.
• Functioning as an extreme pressure (EP) additive and anti-wear agent in advanced lubricant and grease formulations.
• Acting as a vulcanization accelerator or modifier in the production of specialty rubber and elastomers.
• Employed as a flame retardant synergist in polymer and plastic composites.
• Used in research and development for creating novel thiophosphoryl compounds with tailored properties.
• Serving as a corrosion inhibitor precursor in metalworking fluids and industrial coatings.

Basic Information

Product Name	Bis(Diethoxythiophosphinoyl) Trisulphide
CAS No.	6926-73-4
Molecular Formula	C8H20O4P2S5
Molecular Weight	402.47 g/mol
Synonyms	Bis(diethoxythiophosphoryl) Trisulfide; Tris(diethoxythiophosphinothioyl) Trisulfane; Diethyl Phosphorotrithioate Trisulfide; Ethyl Metaphosphorotrithioate; Phosphorotrithioic Acid, O,O-Diethyl Ester, Trisulfide; NSC 163082; O,O-Diethyl Phosphorotrithioate Trisulfide
EINECS	Contact for details

Quality Control

Our Bis(Diethoxythiophosphinoyl) Trisulphide is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing to ensure consistency, purity, and compliance with agreed specifications. A comprehensive Certificate of Analysis (COA) detailing identity, assay, and impurity profiles is provided with every shipment to guarantee traceability and quality assurance for our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from incompatible materials such as strong acids and organic solvents. Recommended storage temperature is between 15°C and 25°C. Keep container tightly sealed when not in use to minimize moisture uptake and degradation.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Specific Gravity (20°C)	1.25 - 1.35
Water Content (KF)	≤ 0.5%

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