Description

(Isopropylidene)Bis(1-Methyl-1-Phenylethyl) Peroxide is a high-purity organic peroxide initiator. This compound is valued for its ability to generate free radicals under controlled thermal conditions, making it a critical component in polymerization processes. It is primarily sought by manufacturers in the polymer and specialty chemical industries for producing high-performance resins and elastomers.

Application

• Polymerization Initiator: A key free-radical initiator for the synthesis of polystyrene, polyethylene, and other vinyl polymers.
• Crosslinking Agent: Used in the curing and crosslinking of unsaturated polyester resins and silicone rubbers.
• Specialty Chemical Synthesis: Employed as an intermediate in the production of fine chemicals and pharmaceutical precursors.
• Adhesive & Coating Formulations: Facilitates the curing process in high-performance industrial adhesives and coatings.
• Composite Materials: Used in the manufacturing of fiber-reinforced plastics (FRP) and other composite materials.
• Research & Development: Serves as a reagent in academic and industrial R&D for novel polymer studies.

Basic Information

Product Name	(Isopropylidene)Bis(1-Methyl-1-Phenylethyl) Peroxide
CAS No.	4202-02-2
Molecular Formula	C26H30O2
Molecular Weight	374.52 g/mol
Synonyms	Di(α-cumyl) Peroxide; Di(1-methyl-1-phenylethyl) Peroxide; Cumyl Peroxide; Dicumyl Peroxide (Note: This is a common but distinct compound; often confused); 1,1'-(1-Methylethylidene)bis[1-methyl-1-phenylethyl] Peroxide; Bis(α,α-dimethylbenzyl) Peroxide; Peroxide, bis(1-methyl-1-phenylethyl); α,α'-Bis(α,α-dimethylbenzyl) Peroxide
EINECS	224-123-7

Quality Control

Our (Isopropylidene)Bis(1-Methyl-1-Phenylethyl) Peroxide is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing, including assay and impurity profile analysis, to ensure it meets precise specifications for use as a polymerization initiator. A Certificate of Analysis (COA) detailing purity, active oxygen content, and other critical parameters is provided with every shipment.

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 reducing agents, strong acids, bases, and other peroxides. This material is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	Contact for details
Melting Point	Contact for details
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %

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