Description

Bis(Dibutoxyphosphinothioyl) Tetrasulphide is a specialized organophosphorus compound with a unique tetrasulphide linkage, serving as a high-performance chemical intermediate and additive. This compound is valued for its ability to act as a sulfur donor and a source of thiophosphoryl groups, which are critical in modifying material properties and facilitating specific chemical reactions. It is primarily utilized by manufacturers in the polymer, lubricant, and agrochemical industries seeking to enhance product performance, such as improving the anti-wear characteristics of industrial oils or acting as a key precursor in synthesis.

Application

• Polymer Additive: Functions as a secondary stabilizer and cross-linking agent in the production of specialty elastomers and plastics.
• Lubricant & Grease Formulation: Acts as an extreme pressure (EP) and anti-wear additive in industrial and automotive lubricants.
• Chemical Intermediate: Serves as a crucial building block for synthesizing more complex organophosphorus compounds used in agrochemicals and flame retardants.
• Vulcanization Accelerator: Used in the rubber industry to modify the vulcanization process, improving the physical properties of the final rubber product.
• Oil & Fuel Additive: Employed as a multifunctional additive to improve the oxidation stability and load-carrying capacity of industrial oils.
• Research & Development: Utilized in academic and industrial R&D for developing novel materials and catalytic systems.

Basic Information

Product Name	Bis(Dibutoxyphosphinothioyl) Tetrasulphide
CAS No.	42169-95-9
Molecular Formula	C16H36O4P2S6
Molecular Weight	562.8 g/mol
Synonyms	Bis(dibutoxyphosphinothioyl) tetrasulfide; Tetrasulfurobis[O,O-dibutyl phosphonodithioate]; O,O,O',O'-Tetrabutyl tetrathiodiphosphonate; Tetrabutyl Tetrathiodiphosphonate; TBTP; CAS 42169-95-9; Phosphonodithioic acid, O,O-dibutyl ester, tetrasulfide; Dibutyl phosphorodithioate tetrasulfide
EINECS	Contact for details

Quality Control

Our Bis(Dibutoxyphosphinothioyl) Tetrasulphide is manufactured under strict quality management protocols. Each batch undergoes rigorous analytical testing, including assay by titration and impurity profiling, to ensure it meets precise specifications for industrial applications. A Certificate of Analysis (COA) detailing purity, identity, and key physical parameters is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from strong bases and incompatible materials such as organic solvents. The container must be kept tightly sealed to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Yellow to amber viscous liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Sulfur Content	Contact for details
Phosphorus Content	Contact for details
Density (at 20°C)	~1.15 g/cm³
Refractive Index (n20D)	~1.550

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