Description

Di-tert-Nonyl Pentasulphide is a high-performance organosulfur compound primarily utilized as a sulfur donor and vulcanization agent in polymer chemistry. Its unique structure provides controlled release of sulfur, which is critical for optimizing the cross-linking process and enhancing the final properties of elastomers. This chemical is essential for manufacturers in the rubber and polymer industries seeking to improve product durability, heat resistance, and mechanical performance.

Application

• As a sulfur donor and secondary vulcanizing agent in the production of various synthetic rubbers, including EPDM, NBR, and SBR.
• To improve the heat resistance and reversion resistance of vulcanized rubber products such as tires, hoses, and seals.
• As a key additive in the formulation of specialty lubricants and extreme pressure (EP) additives for industrial oils and greases.
• In the synthesis of other organosulfur compounds and as an intermediate in fine chemical manufacturing.
• As a cross-linking co-agent in certain polymer systems to enhance network stability.
• For the modification of plastic and resin properties, contributing to improved thermal and aging characteristics.

Basic Information

Product Name	Di-tert-Nonyl Pentasulphide
CAS No.	38622-35-4
Molecular Formula	C18H38S5
Molecular Weight	398.8 g/mol
Synonyms	Di-tert-nonylpolysulfide; Di-tert-nonyl pentasulfide; tert-Nonyl polysulfide; Sulfurized di-tert-nonyl; Vulcanizing agent DTNP; Sulfur donor DTNP; CAS 38622-35-4
EINECS	Contact for details

Quality Control

Our Di-tert-Nonyl Pentasulphide is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay, sulfur content analysis, and impurity profiling. A Certificate of Analysis (COA) detailing all specifications and test results is provided with each shipment to guarantee compliance with your technical requirements.

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 material is easily oxidized; it is recommended to store under an inert atmosphere (e.g., nitrogen) for long-term preservation to maintain efficacy. Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, pale yellow to amber liquid
Identification (IR)	Conforms
Assay (Sulfur Content)	≥ 38.0 %
Specific Gravity (20°C)	0.98 - 1.02
Refractive Index (n20/D)	1.52 - 1.55

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