Description

Bis[Bis(Isopropyloxy)Phosphino] Perpentasulfide is a specialized organophosphorus compound featuring a unique perpentasulfide (P2S5) core. This chemical matters as a high-performance intermediate and additive, offering significant value in applications requiring sulfur and phosphorus functionalities. Industrial users in sectors such as lubricant formulation, polymer modification, and agrochemical synthesis need this compound for its ability to act as an extreme pressure additive, vulcanization agent, or a key synthon in complex chemical synthesis.

Application

• As an extreme pressure (EP) and anti-wear additive in advanced lubricants and greases.
• As a vulcanization accelerator or co-agent in the modification of specialty elastomers and polymers.
• As a key chemical intermediate in the synthesis of organophosphorus agrochemicals (e.g., insecticides, fungicides).
• As a flame retardant synergist in polymer and textile applications.
• In corrosion inhibitor formulations for metalworking fluids and industrial coatings.
• For research and development in novel material science, exploring its properties in battery electrolytes or catalytic systems.

Basic Information

Product Name	Bis[Bis(Isopropyloxy)Phosphino] Perpentasulfide
CAS No.	7464-03-1
Molecular Formula	C12H28O4P2S5
Molecular Weight	442.57 g/mol
Synonyms	Bis(bis(isopropoxy)phosphanyl)pentasulfane; Tetraisopropyl Dithiopyrophosphate; Diphosphorus Pentasulfide Tetraisopropyl Ester; Thiopyrophosphoric Acid Tetraisopropyl Ester; P,P,P',P'-Tetraisopropyl Dithiopyrophosphate; Isopropyl Dithiopyrophosphate; Lubricant Additive T304 (industry reference); Contact for EINECS details.

Quality Control

Our production of Bis[Bis(Isopropyloxy)Phosphino] Perpentasulfide adheres to stringent quality management protocols. Every batch undergoes rigorous analytical testing, including assay, impurity profiling, and physical property verification, to ensure consistency and compliance with customer specifications. A comprehensive Certificate of Analysis (COA) detailing purity, assay results, and key parameters is provided with each shipment and is available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (15-25°C). Due to its hygroscopic and easily oxidized nature, the container must be kept tightly sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent moisture absorption and degradation.

Specification

Item	Specification
Appearance	Yellow to amber liquid or low-melting solid
Identification (IR)	Conforms to structure
Assay (HPLC/Titration)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	Contact for details
Refractive Index (20°C)	Contact for details

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