Description

tert-Butyl Peroxy-2-Ethylhexanoate is a highly efficient organic peroxide initiator widely used in industrial polymerization processes. Its primary value lies in its ability to generate free radicals at moderate temperatures, enabling precise control over polymer chain formation and molecular weight. This compound is essential for manufacturers in the plastics, coatings, and rubber industries seeking to produce high-performance materials with consistent quality.

Application

• Polymerization Initiator: Primarily used as a free-radical initiator for the production of low-density polyethylene (LDPE), polystyrene (PS), and polyvinyl chloride (PVC).
• Crosslinking Agent: Employed in the curing and crosslinking of unsaturated polyester resins for fiberglass-reinforced plastics (FRP) and gel coats.
• Synthesis of Acrylic Resins: A key component in the manufacture of acrylic polymers and copolymers used in paints, coatings, and adhesives.
• Rubber Vulcanization: Acts as a co-agent or initiator in the vulcanization process for certain synthetic rubbers, enhancing their thermal and mechanical properties.
• Production of Engineering Plastics: Utilized in the synthesis of high-performance engineering thermoplastics where controlled initiation is critical.
• Chemical Intermediate: Serves as an intermediate in specific organic synthesis reactions requiring peroxy radical chemistry.

Basic Information

Product Name	tert-Butyl Peroxy-2-Ethylhexanoate
CAS No.	3006-82-4
Molecular Formula	C12H24O3
Molecular Weight	216.32 g/mol
Synonyms	tert-Butyl Peroxy-2-Ethylhexanoate; tert-Butyl Per-2-Ethylhexanoate; TBPEH; Peroxide, tert-butyl 2-ethylhexanoate; 2-Ethylhexanoic acid tert-butyl peroxy ester; tert-Butyl Peroctoate; Trigonox 21; Luperox 26; Perbutyl O; CAS 3006-82-4
EINECS	221-110-7

Quality Control

Our tert-Butyl Peroxy-2-Ethylhexanoate is manufactured under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure it meets precise specifications for purity, active oxygen content, and impurity profiles. Certificates of Analysis (COA) documenting these results are provided with every shipment to guarantee supply reliability and batch-to-batch consistency for your critical processes.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Recommended storage temperature is below 30°C (86°F). Keep away from incompatible materials such as strong acids, bases, reducing agents, and other organic compounds. This product is a strong oxidizer and light-sensitive (store away from light).

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 7.0 %
Purity (HPLC)	≥ 98.0 %
Density (at 20°C)	0.89 - 0.91 g/cm³
Refractive Index (n20D)	1.420 - 1.425
Acidity (as 2-Ethylhexanoic acid)	≤ 0.5 %

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