Description

tert-Butyl 1-Methyl-1-(4-Tolyl)Ethyl Peroxide is a specialized organic peroxide used primarily as a free-radical initiator in polymerization reactions. Its value lies in its ability to provide controlled decomposition kinetics, which is critical for manufacturing consistent, high-quality polymers. This compound is essential for R&D chemists and production engineers in the polymer, resin, and specialty chemical industries seeking reliable initiation for high-temperature processes.

Application

• Polymerization Initiator: A key free-radical source for the production of polystyrene, polyethylene, and other vinyl polymers.
• Cross-linking Agent: Used in the curing and cross-linking of unsaturated polyester resins and elastomers to enhance mechanical properties.
• Organic Synthesis Intermediate: Serves as a reagent in the synthesis of more complex organic molecules and fine chemicals.
• Resin Manufacturing: Employed in the production of thermosetting resins for coatings, adhesives, and composite materials.
• High-Temperature Curing: Suitable for curing processes that require specific, higher-temperature initiation profiles.

Basic Information

Product Name	tert-Butyl 1-Methyl-1-(4-Tolyl)Ethyl Peroxide
CAS No.	52031-76-2
Molecular Formula	C₁₄H₂₂O₂
Molecular Weight	222.32 g/mol
Synonyms	1-Methyl-1-(4-methylphenyl)ethyl tert-butyl peroxide; tert-Butyl α-cumyl peroxide; TBEC; (1-Methyl-1-p-tolylethyl) tert-butyl peroxide; Peroxide, tert-butyl 1-methyl-1-(4-methylphenyl)ethyl; Cumene, α-(tert-butylperoxy)-p-methyl-; 2-(tert-Butylperoxy)-2-(4-methylphenyl)propane
EINECS	Contact for details

Quality Control

Our tert-Butyl 1-Methyl-1-(4-Tolyl)Ethyl Peroxide is manufactured under strict quality protocols to ensure batch-to-batch consistency and reliability for industrial processes. Each lot is analyzed to confirm critical parameters such as active oxygen content and purity. Certificates of Analysis (COA) documenting these results are available upon request to support your quality assurance and regulatory compliance needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat sources, sparks, and open flame. Keep away from incompatible materials such as strong reducing agents, acids, and bases. Recommended storage temperature is 15-25°C. This product is light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 95.0%
Active Oxygen Content	Contact for details
Refractive Index (n20D)	Contact for details
Density (20°C)	Contact for details

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