Description

tert-Butyl Cumyl Peroxide is a high-purity organic peroxide widely recognized for its efficiency as a free radical initiator in polymerization processes. Its controlled decomposition profile makes it a critical component for manufacturers requiring precise reaction kinetics and consistent polymer properties. This product is essential for industries such as polymer synthesis, resin production, and specialty chemical manufacturing, where reliable initiation is paramount for product quality and process safety.

Application

• Polymerization Initiator: Primarily used as a free-radical initiator for the polymerization of ethylene, styrene, (meth)acrylates, and other vinyl monomers.
• Crosslinking Agent: Employed in the crosslinking of unsaturated polyester resins and polyethylene to enhance thermal and mechanical properties.
• Curing Agent for Elastomers: Used in the vulcanization and curing of silicone and other specialty rubbers.
• Synthesis of Specialty Polymers: Facilitates the production of high-performance polymers, including impact-resistant plastics and optical materials.
• Organic Synthesis Intermediate: Acts as a source of tert-butoxy and cumyloxy radicals in various organic synthesis reactions.
• Modifier for Polymer Properties: Used to control molecular weight and branching in polymer chains to achieve desired material characteristics.

Basic Information

Product Name	tert-Butyl Cumyl Peroxide
CAS No.	3457-61-2
Molecular Formula	C₁₄H₂₂O₂
Molecular Weight	222.32 g/mol
Synonyms	tert-Butyl cumyl peroxide; Cumyl tert-butyl peroxide; 1,1-Dimethylethyl 1-methyl-1-phenylethyl peroxide; Peroxide, tert-butyl cumyl; Trigonox T; Luperox 801; TBIC; TBEC; (1-Methyl-1-phenylethyl) tert-butyl peroxide
EINECS	222-389-4

Quality Control

Our tert-Butyl Cumyl Peroxide is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot is analyzed to confirm identity, purity, and active oxygen content, with full traceability from raw materials to finished product. A Certificate of Analysis (COA) detailing all test results is provided with 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. Due to its nature as a strong oxidizer and highly volatile compound, it must be segregated from reducing agents, acids, bases, and other incompatible materials. Recommended storage temperature is below 25°C (77°F).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	≥ 7.2 %
Density (at 20°C)	0.93 - 0.97 g/mL
Refractive Index (n20D)	1.485 - 1.495
Water Content (Karl Fischer)	≤ 0.1 %

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