Description

Di-n-Undecyl Sulfide is a high-purity organic sulfur compound, specifically a dialkyl sulfide, with the CAS number 35599-82-7. This specialty chemical serves as a versatile intermediate and functional additive, valued for its ability to modify chemical and physical properties in advanced formulations. It is essential for manufacturers and R&D teams in the polymer, lubricant, and specialty chemical industries seeking to enhance product performance and stability.

Application

• Polymer Additive: Acts as a stabilizer or plasticizer component in specialty polymer formulations to improve processing and material properties.
• Lubricant & Grease Formulation: Used as an extreme pressure (EP) additive or friction modifier in high-performance synthetic lubricants and industrial greases.
• Chemical Intermediate: Serves as a key building block in organic synthesis for pharmaceuticals, agrochemicals, and other fine chemicals.
• Corrosion Inhibitor: Incorporated into metalworking fluids and protective coatings to provide enhanced corrosion resistance.
• Flavor & Fragrance Industry: Utilized in the synthesis of specific sulfur-containing aroma compounds.
• Research & Development: Employed in academic and industrial labs for studying reaction mechanisms and developing new materials.

Basic Information

Product Name	Di-n-Undecyl Sulfide
CAS No.	35599-82-7
Molecular Formula	C₂₂H₄₆S
Molecular Weight	342.67 g/mol
Synonyms	Diundecyl Sulfide; 1,1'-Thiobisundecane; Undecyl Sulfide; Din-Undecyl Sulfide; Di-n-Hendecanyl Sulfide; 11,11'-Thiobisundecane; Bis(undecyl) Sulfide; Didodecyl Sulfide (common misnomer)
EINECS	Contact for details

Quality Control

Our Di-n-Undecyl Sulfide is manufactured under a strict quality management system. Every batch undergoes rigorous analytical testing, including chromatography (GC/HPLC) and spectroscopic methods, to ensure identity, purity, and consistency meet our high standards. A comprehensive Certificate of Analysis (COA) detailing all test results 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, well-ventilated area at room temperature (15-25°C). This product is easily oxidized and should be handled under an inert atmosphere (e.g., nitrogen) for long-term storage or when dispensing from large containers to maintain purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (GC)	≥ 98.0%
Water Content (KF)	≤ 0.1%
Refractive Index (n20D)	Contact for details
Density (20°C)	Contact for details

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