Description

Bis[1-(Methylthio)Propyl] Persulfide is a specialized organosulfur compound characterized by its persulfide (-S-S-) linkage, which imparts unique reactivity and functionality. This compound is valued in industrial chemistry for its role as a sulfur donor and cross-linking agent, enabling the modification of polymer properties and facilitating specific synthetic pathways. It is primarily sought by manufacturers in the rubber and polymer industries, as well as by research and development chemists working on advanced material science and organic synthesis projects.

Application

• Rubber Vulcanization & Accelerator Systems: Acts as a sulfur donor in the vulcanization of synthetic rubbers, improving cross-link density and thermal stability.
• Polymer Modification: Used to introduce sulfur-containing functional groups into polymer chains, enhancing properties like oil resistance and adhesion.
• Lubricant & Grease Additives: Serves as an extreme pressure (EP) additive and anti-wear agent in industrial lubricants and metalworking fluids.
• Chemical Intermediate: A key building block in the synthesis of more complex sulfur-containing compounds for agrochemicals and pharmaceuticals.
• Research & Development: Utilized in academic and industrial R&D for studying persulfide chemistry and developing new catalytic processes.

Basic Information

Product Name	Bis[1-(Methylthio)Propyl] Persulfide
CAS No.	69078-78-0
Molecular Formula	C8H18S4
Molecular Weight	250.48 g/mol
Synonyms	Bis(1-methylthiopropyl) Disulfide; 1,1'-(Dithiodimethylene)dipropyl Methyl Disulfide; Di(1-methylthiopropyl) Disulfide; 1-Methylthio-1-propyl Disulfide; 1-(Methylthio)propyl Disulfide (dimer); Methylthiopropyl Persulfide; CAS 69078-78-0
EINECS	Contact for details

Quality Control

Our production of Bis[1-(Methylthio)Propyl] Persulfide adheres to stringent quality management protocols to ensure batch-to-batch consistency and reliability. Each lot is analyzed using advanced techniques including GC, HPLC, and NMR to verify identity, purity, and absence of critical impurities. A comprehensive Certificate of Analysis (COA) detailing all test 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, and well-ventilated place at room temperature (15-25°C). This product is easily oxidized (store under inert atmosphere) and should be kept away from strong oxidizing agents, heat, and ignition sources. For long-term storage, consider maintaining under an inert gas such as nitrogen or argon.

Specification

Item	Specification
Appearance	Clear, pale yellow to yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.10 - 1.20
Refractive Index (20°C)	1.550 - 1.570

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