Description

Cumylperoxytrimethylsilane is a specialized organosilicon peroxide compound, valued for its role as a high-performance initiator and cross-linking agent in polymer chemistry. Its unique structure provides controlled decomposition kinetics, making it essential for processes requiring precise radical generation. This chemical is primarily utilized by manufacturers in the polymer, silicone, and advanced materials industries for synthesizing and modifying high-performance elastomers and resins.

Application

• Polymerization Initiator: Used as a free-radical initiator for the polymerization of ethylene, styrene, and other vinyl monomers.
• Silicone Cross-Linking: A key agent for the cross-linking and curing of silicone rubbers and resins, enhancing thermal stability and mechanical properties.
• Adhesive & Sealant Production: Employed in the formulation of high-performance adhesives and sealants that require controlled cure rates.
• Composite Material Manufacturing: Facilitates the bonding and matrix formation in fiber-reinforced plastics and other composite materials.
• Organic Synthesis Intermediate: Serves as a reagent in the synthesis of other organosilicon compounds and specialty chemicals.
• Wire & Cable Insulation: Used in the cross-linking of polyethylene for improved insulation properties in wire and cable coatings.

Basic Information

Product Name	Cumylperoxytrimethylsilane
CAS No.	18057-16-4
Molecular Formula	C12H20O2Si
Molecular Weight	224.37 g/mol
Synonyms	Cumyl trimethylsilyl peroxide; Trimethylsilyl cumyl peroxide; (Trimethylsilyl)peroxycumene; α-Cumylperoxytrimethylsilane; Cumene, 1-(trimethylsilyl)peroxy-; Peroxide, cumyl trimethylsilyl; 1-(Trimethylsilyl)peroxycumene
EINECS	Contact for details

Quality Control

Our Cumylperoxytrimethylsilane is produced under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by HPLC and impurity profiling, to ensure it meets exacting standards for purity and performance. Certificates of Analysis (COA) are provided with every shipment, and we support compliance with relevant global regulatory frameworks.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at temperatures recommended on the specific product label or Safety Data Sheet (typically 2-8°C or as specified). This product is easily oxidized and highly volatile; it must be stored under an inert atmosphere (e.g., nitrogen) and kept away from heat, sparks, and incompatible materials.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	Contact for details
Density (at 20°C)	~0.95 g/mL
Refractive Index (n20D)	~1.47

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