Description

Diallyl Tetrasulphide is an organosulfur compound characterized by its unique polysulfide bridge. 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 industries involved in polymer modification, lubricant formulation, and the development of high-performance rubber vulcanization systems. Its specific reactivity makes it a versatile building block for creating materials with tailored properties.

Application

• Rubber Vulcanization Accelerator: Acts as a sulfur donor and curing agent in the production of specialty elastomers, enhancing cross-linking efficiency and improving heat resistance.
• Polymer Modification Agent: Used to incorporate polysulfide linkages into polymer chains, modifying flexibility, thermal stability, and chemical resistance of plastics and coatings.
• Lubricant & Grease Additive: Serves as an extreme pressure (EP) and anti-wear additive in industrial lubricants, forming protective layers on metal surfaces.
• Chemical Synthesis Intermediate: A crucial precursor in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals requiring polysulfide functional groups.
• Crosslinking Agent for Sealants & Adhesives: Imparts improved durability and solvent resistance to high-performance polysulfide-based sealants and adhesives.
• Flavor & Fragrance Industry: Used in trace amounts as a flavoring agent or aroma constituent, contributing to savory, garlic-like notes in complex formulations.

Basic Information

Product Name	Diallyl Tetrasulphide
CAS No.	2444-49-7
Molecular Formula	C6H10S4
Molecular Weight	210.40 g/mol
Synonyms	Diallyl Tetrasulfide; 3,4,5,6-Tetrathia-1,7-octadiene; Allyl Tetrasulfide; DATS; Tetrasulfide, di-2-propenyl; Bis(2-propenyl) tetrasulfide; 1,7-Octadiene, 3,4,5,6-tetrathia-
EINECS	219-476-5

Quality Control

Our Diallyl Tetrasulphide is manufactured under strict quality management protocols. Every batch undergoes comprehensive analytical testing, including Gas Chromatography (GC) and Infrared Spectroscopy (IR), to ensure identity, purity, and consistency. We provide a detailed Certificate of Analysis (COA) with each shipment, documenting key parameters such as assay and impurity profiles. Our quality system is designed to meet the stringent requirements of industrial and research applications, ensuring reliable performance and traceability.

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). This product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain stability and prevent degradation. Keep away from heat, sparks, open flames, and strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Refractive Index (n20D)	1.620 - 1.630
Density (20°C)	1.15 - 1.25 g/mL

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