Description

A Mixture Of: 2,2'-Bis(tert-Pentylperoxy)-p-Diisopropylbenzene 2,2'-Bis(tert-Pentylperoxy)-m-Diisopropylbenzene is a high-purity organic peroxide mixture, primarily used as a free-radical initiator and crosslinking agent. This product is critical for initiating polymerization reactions and creating durable, crosslinked polymer networks with enhanced thermal and mechanical properties. It is essential for manufacturers in the polymer, rubber, and specialty plastics industries seeking reliable and efficient curing agents.

Application

• Polymerization Initiator: Used as a free-radical source for the production of polystyrene, polyethylene, and other vinyl polymers.
• Crosslinking Agent for Elastomers: Essential for the vulcanization and crosslinking of silicone rubber, ethylene-propylene-diene monomer (EPDM), and other specialty rubbers to improve heat resistance and mechanical strength.
• Thermoset Resin Curing: Employed in the curing of unsaturated polyester resins and acrylic resins for composites, coatings, and fiber-reinforced plastics.
• Wire & Cable Insulation: Used in the crosslinking of polyethylene insulation for wires and cables to enhance thermal stability and durability.
• Adhesive & Sealant Formulation: Acts as a curing agent in the production of high-performance adhesives and sealants.
• Organic Synthesis: Serves as a radical initiator in various organic synthesis and modification reactions in fine chemical production.

Basic Information

Product Name	A Mixture Of: 2,2'-Bis(tert-Pentylperoxy)-p-Diisopropylbenzene 2,2'-Bis(tert-Pentylperoxy)-m-Diisopropylbenzene
CAS No.	32144-25-5
Molecular Formula	C28H50O4 (for each isomer)
Molecular Weight	450.70 g/mol (approx.)
Synonyms	Di(tert-pentylperoxy)diisopropylbenzene; Bis(tert-pentylperoxy)diisopropylbenzene; tert-Pentyl Peroxy Diisopropylbenzene; Perkadox PD-50S; Perkadox 14/40; Luperox 802; 2,2'-Di(tert-amylperoxy)diisopropylbenzene; Diisopropylbenzene diperoxide
EINECS	Contact for details

Quality Control

Our production of this organic peroxide adheres to strict quality management systems to ensure batch-to-batch consistency and safety. Each lot is tested for critical parameters including active oxygen content, purity, and decomposition temperature. A comprehensive Certificate of Analysis (COA) detailing assay results and impurity profiles is available for every shipment to support your quality assurance protocols.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Keep away from reducing agents, acids, bases, and other incompatible materials. Recommended storage temperature is below 30°C (86°F). This product is a strong oxidizer and light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 3.55 % (Typical)
Purity (HPLC)	≥ 95.0 %
Specific Gravity (20°C)	0.91 - 0.93
Viscosity (25°C)	Contact for details
Self-Accelerating Decomposition Temperature (SADT)	> 60 °C

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