Description

Pentasulfide, Di-2-Propenyl is an organosulfur compound featuring a polysulfide chain. This chemical is valued for its role as a versatile sulfur donor and crosslinking agent in advanced material synthesis. It is primarily sought by manufacturers in the polymer and specialty chemical industries for developing materials with enhanced thermal and mechanical properties. Its reactivity makes it a key intermediate for creating high-performance elastomers and lubricant additives.

Application

• Vulcanizing Agent: Used as an accelerator or co-agent in the sulfur vulcanization of synthetic rubbers like nitrile and EPDM.
• Polymer Modification: Serves as a crosslinker or chain extender to improve the heat resistance and durability of specialty polymers.
• Lubricant & Grease Additive: Functions as an extreme pressure (EP) and anti-wear additive in industrial lubricants and metalworking fluids.
• Chemical Intermediate: Acts as a key precursor in the synthesis of more complex organosulfur compounds and ligands.
• Sealant & Adhesive Formulation: Imparts flexibility and chemical resistance to polysulfide-based sealants and adhesives.
• Agricultural Chemical Synthesis: Used in the production of certain sulfur-containing pesticides and fungicides.

Basic Information

Product Name	Pentasulfide, Di-2-Propenyl
CAS No.	118686-45-6
Molecular Formula	C6H10S5
Molecular Weight	226.40 g/mol
Synonyms	Diallyl Pentasulfide; Allyl Pentasulfide; Di-2-propenyl pentasulfide; 3,4,5,6,7-Penta-thianonane; Bis(allyl) pentasulfide; Diallyl polysulfide (S5); Allyl polysulfide; 1,9-Dimercapto-3,7-dithianonane (related structure)
EINECS	Contact for details

Quality Control

Our Pentasulfide, Di-2-Propenyl is produced under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including assay by titration and impurity profile analysis via GC or HPLC, to ensure consistency and purity for industrial applications. A Certificate of Analysis (COA) detailing specific results is provided with every shipment to guarantee traceability and compliance with your specifications.

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). This product is easily oxidized and should be kept under an inert atmosphere (e.g., nitrogen) for long-term storage to maintain stability. Keep away from strong oxidizing agents, heat, and ignition sources.

Specification

Item	Specification
Appearance	Yellow to amber liquid
Identification (IR)	Conforms to structure
Assay (Titration)	≥ 95.0%
Specific Gravity (20°C)	1.20 - 1.30
Refractive Index (n20D)	1.600 - 1.650

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