Description

Di-n-Nonyl Disulfide is a high-purity organic sulfur compound, specifically a symmetrical dialkyl disulfide. This chemical serves as a versatile intermediate and a critical performance additive, valued for its ability to modify polymer properties and act as a sulfur donor in controlled reactions. It is essential for manufacturers in the polymer, lubricant, and specialty chemical industries seeking to enhance material characteristics such as plasticity, thermal stability, and cross-linking efficiency.

Application

• Polymer Modification: Acts as a plasticizer and viscosity modifier in synthetic rubber and plastic formulations.
• Lubricant & Grease Additive: Functions as an extreme pressure (EP) and anti-wear agent in industrial lubricants and metalworking fluids.
• Chemical Synthesis: Serves as a key sulfur-containing intermediate for synthesizing more complex organosulfur compounds.
• Cross-linking Agent: Used in the vulcanization process for certain elastomers to improve durability and resilience.
• Oil & Fuel Additive: Employed as a friction modifier and antioxidant precursor in specialty fuel and oil formulations.

Basic Information

Product Name	Di-n-Nonyl Disulfide
CAS No.	4485-77-2
Molecular Formula	C₁₈H₃₈S₂
Molecular Weight	318.62 g/mol
Synonyms	Dinonyl Disulfide; Bis(nonyl) Disulfide; Nonyl Disulfide; 1,1'-(Dithiodi-2,1-ethanediyl)dinonane; Di-n-nonyl Disulphide; Dinonyldisulfane; NSC 66499
EINECS	Contact for details

Quality Control

Our Di-n-Nonyl Disulfide is manufactured under a stringent quality management system. Each batch undergoes comprehensive analytical testing, including assay by GC or HPLC and identity confirmation (IR), to ensure it meets precise purity and consistency standards. A Certificate of Analysis (COA) detailing all test results is provided with every shipment.

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; for long-term storage, maintaining an inert atmosphere (e.g., under nitrogen) is recommended to preserve stability and purity. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (GC)	≥ 97.0%
Density (20°C)	0.89 - 0.91 g/cm³
Refractive Index (n20/D)	1.475 - 1.485

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