Description

Ethylisobutyl Persulfide is a specialized organosulfur compound known for its role as a chemical intermediate and vulcanization agent. This product is valued for its ability to modify polymer properties and facilitate cross-linking reactions in synthetic rubber and elastomer production. It serves critical functions in the manufacturing of high-performance materials for the automotive, aerospace, and industrial goods sectors, where durability and specific mechanical properties are paramount.

Application

• Vulcanizing Agent: A key component in the sulfur vulcanization process for synthetic rubbers like EPDM and nitrile rubber, enhancing elasticity and heat resistance.
• Polymer Modification: Used to introduce sulfur cross-links into polymer chains, improving the tensile strength, resilience, and aging properties of elastomers.
• Lubricant Additive: Acts as an extreme pressure (EP) additive and anti-wear agent in industrial lubricants and greases.
• Chemical Synthesis Intermediate: Serves as a building block in organic synthesis for pharmaceuticals and agrochemicals.
• Sealant and Adhesive Formulations: Imparts flexibility and durability in high-performance sealants and adhesives.
• Oilfield Chemicals: Used in formulations for drilling fluids and completion chemicals.

Basic Information

Product Name	Ethylisobutyl Persulfide
CAS No.	40136-66-1
Molecular Formula	C6H14S2
Molecular Weight	150.31 g/mol
Synonyms	Ethyl Isobutyl Disulfide; 1-(Ethylthio)-2-methylpropane; Ethyl isobutyl disulphide; Isobutyl ethyl disulfide; 2-Methylpropyl ethyl disulfide; 1,1'-(Dithio)bis(2-methylpropane) (related); Ethylisobutyl Disulfide
EINECS	Contact for details

Quality Control

Our Ethylisobutyl Persulfide is manufactured under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including gas chromatography (GC) for purity and identity confirmation, to ensure it meets precise customer specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated place at room temperature (15-25°C) under an inert atmosphere (e.g., nitrogen) to prevent oxidation. Keep away from heat, sparks, open flames, and incompatible materials such as strong oxidizing agents.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to reference spectrum
Assay (GC)	≥ 98.0%
Density (20°C)	0.92 - 0.96 g/mL
Refractive Index (n20D)	1.480 - 1.500
Water Content (KF)	≤ 0.2%

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