Description

Bis[1-(Methylthio)Ethyl] Persulfide is an organosulfur compound featuring a disulfide bond, widely recognized for its role as a key intermediate and additive in specialty chemical synthesis. This compound is valued for its ability to introduce sulfur-containing functional groups and modify material properties, making it essential for advanced manufacturing processes. It is primarily sought by producers in the polymer, lubricant, and agrochemical industries for applications requiring controlled sulfur incorporation.

Application

• Polymer Modification: Acts as a cross-linking agent or chain transfer agent in the synthesis of specialty rubbers and sulfur-containing polymers to enhance thermal stability and mechanical properties.
• Lubricant & Fuel Additive: Serves as an extreme pressure (EP) additive and anti-wear agent in industrial lubricants and greases, improving performance under high-load conditions.
• Agrochemical Synthesis: Utilized as a key intermediate in the production of certain fungicides, insecticides, and plant growth regulators that require specific sulfur-based moieties.
• Pharmaceutical Intermediates: Employed in the research and development of active pharmaceutical ingredients (APIs) where disulfide bridges or thioether groups are critical for bioactivity.
• Flavor & Fragrance Industry: Used in the synthesis of sulfur-containing aroma chemicals that contribute to savory, roasted, or meaty notes in flavors and fragrances.
• Corrosion Inhibitor Formulation: Incorporated into coatings and treatment fluids for metals, providing a protective layer against sulfide-induced corrosion.

Basic Information

Product Name	Bis[1-(Methylthio)Ethyl] Persulfide
CAS No.	69078-77-9
Molecular Formula	C6H14S4
Molecular Weight	214.42 g/mol
Synonyms	1,1'-[Dithiobis(methylthio)]diethane; Bis(1-methylthioethyl) disulfide; 1,1'-Disulfanediyldi(ethane-1-thiol) dimethyl ether; (1-Methylthioethyl) disulfide; Di(1-(methylthio)ethyl) disulfide; 2,2'-Dithiobis(1-methylthioethane); 1-Methylthioethyl persulfide
EINECS	Contact for details

Quality Control

Our Bis[1-(Methylthio)Ethyl] Persulfide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including chromatography and spectroscopic methods, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are 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 area at room temperature (15-25°C). Keep away from strong oxidizing agents, strong acids, and strong bases. Due to the presence of sulfur-sulfur bonds, prolonged exposure to heat or light should be avoided to maintain product integrity.

Specification

Item	Specification
Appearance	Clear to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Specific Gravity (20°C)	1.15 - 1.25
Refractive Index (20°C)	1.580 - 1.610

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