Description

T-Hexyl Peroxypivalate is a highly efficient organic peroxide initiator widely used in free-radical polymerization processes. Its primary value lies in its ability to provide controlled decomposition at moderate temperatures, enabling precise molecular weight control and improved polymer properties. This compound is essential for manufacturers in the plastics, coatings, and specialty chemical industries seeking to optimize production efficiency and product performance.

Application

• Primary initiator for the suspension and bulk polymerization of vinyl chloride (PVC).
• Key component in the production of low-density polyethylene (LDPE) via high-pressure processes.
• Used in the manufacture of acrylic resins and polymethyl methacrylate (PMMA) for enhanced clarity and weatherability.
• Cross-linking agent for unsaturated polyester resins in fiberglass-reinforced plastics (FRP).
• Critical for the synthesis of styrene-based polymers and copolymers, including ABS (Acrylonitrile Butadiene Styrene).
• Employed in the curing of elastomers and specialty rubber compounds.
• Facilitates the production of pressure-sensitive adhesives (PSAs) and coating resins.

Basic Information

Product Name	T-Hexyl Peroxypivalate
CAS No.	51938-28-4
Molecular Formula	C11H22O3
Molecular Weight	202.29 g/mol
Synonyms	Tert-Hexyl Peroxypivalate; tert-Hexyl Peroxy Pivalate; 1,1-Dimethylpropyl Peroxypivalate; Peroxypivalic Acid tert-Hexyl Ester; Trigonox 25-C75; Luperox 546M75; CHP; t-Hexyl PPV; 2,2-Dimethylbutyl Peroxypivalate
EINECS	257-559-6

Quality Control

Our T-Hexyl Peroxypivalate is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay by titration and impurity profiling, to meet exacting industry specifications. A Certificate of Analysis (COA) detailing purity, active oxygen content, and key physical properties is provided with each shipment to guarantee compliance with your process requirements.

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 25°C (77°F). Keep away from incompatible materials such as reducing agents, strong acids, bases, and metals. This product is a strong oxidizer; store separately from flammable and combustible materials.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Assay (by Titration)	≥ 98.0 %
Active Oxygen Content	≥ 7.9 %
Identification (IR)	Conforms
Density (at 20°C)	0.85 - 0.90 g/cm³
Refractive Index (nD20)	1.410 - 1.420
Solubility	Miscible with common organic solvents

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