Description

tert-Butyl 2-ethylperoxybutyrate is a high-purity organic peroxide initiator widely used in industrial polymerization processes. Its primary value lies in its ability to efficiently generate free radicals under controlled thermal conditions, enabling the synthesis of polymers with specific molecular weights and properties. This compound is essential for manufacturers in the plastics, elastomers, and specialty chemical industries who require precise and reliable initiation for polymerization reactions.

Application

• Polymerization Initiator: A key component for initiating the free-radical polymerization of monomers such as ethylene, styrene, vinyl chloride, and acrylates.
• Plastics Production: Used in the manufacture of low-density polyethylene (LDPE), polystyrene (PS), polyvinyl chloride (PVC), and acrylic resins.
• Elastomer Synthesis: Facilitates the production of synthetic rubbers and other elastomeric materials.
• Cross-linking Agent: Employed in the cross-linking of polymers to enhance thermal stability, chemical resistance, and mechanical properties.
• Curing Agent for Resins: Acts as a curing initiator for unsaturated polyester resins and other thermosetting polymers.
• Organic Synthesis Intermediate: Serves as a specialized oxidizing agent or radical source in fine chemical synthesis.

Basic Information

Product Name	tert-Butyl 2-Ethylperoxybutyrate
CAS No.	2550-33-6
Molecular Formula	C10H20O4
Molecular Weight	204.26 g/mol
Synonyms	2-Ethylperoxybutyric Acid tert-Butyl Ester; tert-Butyl Peroxy-2-ethylbutyrate; TBPEB; Peroxide, tert-butyl 2-ethylperoxybutyrate; Butanoic acid, 2-ethylperoxy-, 1,1-dimethylethyl ester; Luperox 233
EINECS	219-844-7

Quality Control

Our tert-Butyl 2-ethylperoxybutyrate is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. Each lot is analyzed to confirm critical parameters such as active oxygen content, purity, and stability. A comprehensive Certificate of Analysis (COA) detailing assay results, impurity profiles, and physical properties 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. As a strong oxidizer, it must be segregated from combustible materials, reducing agents, and acids. Recommended storage temperature is below 30°C (86°F). Containers should be kept tightly sealed when not in use to prevent contamination and decomposition.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 7.8 %
Purity (GC)	≥ 98.0 %
Density (at 20°C)	0.92 - 0.96 g/cm³
Refractive Index (n20D)	1.410 - 1.420

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