Description

5-(1-Methylethyl)-1,3-Bis[1-Methyl-1-[(1,1-Dimethylethyl)Peroxy]Ethyl]Benzene is a high-purity, dialkyl peroxide crosslinking agent essential for initiating and controlling polymerization reactions. Its primary value lies in its ability to provide efficient, thermally-triggered free radical generation, enabling the production of high-performance polymers with superior mechanical and thermal properties. This compound is a critical raw material for manufacturers in the polymer and plastics industries, particularly for the synthesis of specialty elastomers, thermoset resins, and engineered plastics where precise crosslink density is required.

Application

• Crosslinking Agent for Elastomers: Used in the vulcanization and crosslinking of ethylene-propylene-diene monomer (EPDM), silicone rubber, and other specialty elastomers to enhance heat resistance and mechanical strength.
• Polymerization Initiator: Serves as a free-radical initiator for the production of low-density polyethylene (LDPE), polystyrene, and other vinyl polymers.
• Thermoset Resin Curing: Employed as a curing agent for unsaturated polyester resins and vinyl ester resins in the manufacture of fiber-reinforced composites.
• Wire & Cable Insulation: A key component in the crosslinking of polyethylene insulation for wires and cables, improving thermal stability and electrical properties.
• Adhesive & Sealant Formulation: Used to initiate curing in acrylic and other reactive adhesive systems, providing strong, durable bonds.
• Engineered Plastics Production: Facilitates the controlled crosslinking of engineering plastics to achieve specific performance characteristics like chemical resistance and dimensional stability.

Basic Information

Item	Details
Product Name	5-(1-Methylethyl)-1,3-Bis[1-Methyl-1-[(1,1-Dimethylethyl)Peroxy]Ethyl]Benzene
CAS No.	68527-48-0
Molecular Formula	C22H38O4
Molecular Weight	366.54 g/mol
Synonyms	1,3-Bis(1-methyl-1-(tert-butylperoxy)ethyl)-5-isopropylbenzene; 1,3-Di(1-methyl-1-(tert-butylperoxy)ethyl)-5-isopropylbenzene; Bis(tert-butylperoxy)diisopropylbenzene; Di-tert-butyl Peroxy Diisopropylbenzene; Peroxide Curing Agent 40; Vulcup 40KE; Varox DBPH; DBPH Peroxide
EINECS	Contact for details

Quality Control

Our 5-(1-Methylethyl)-1,3-Bis[1-Methyl-1-[(1,1-Dimethylethyl)Peroxy]Ethyl]Benzene is manufactured under stringent quality management systems. Every batch undergoes rigorous analytical testing, including assay by HPLC and active oxygen content determination, to ensure high purity and consistent performance as a crosslinking agent. Certificates of Analysis (COA) detailing all specifications are provided with each shipment to guarantee traceability and compliance with your formulation requirements.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Maintain storage temperature between 15°C and 25°C (59°F and 77°F). Keep away from incompatible materials such as strong acids, reducing agents, and other organic materials. Due to its peroxide nature, do not store near concentrated or isolated sources of ignition.

Specification

Item	Specification
Appearance	White to off-white powder or crystals
Identification (IR)	Conforms to standard
Assay (HPLC)	≥ 95.0 %
Active Oxygen Content	Contact for details
Melting Point	Contact for details
Loss on Drying	≤ 1.0 %

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