Description

T-Hexyl Peroxybenzoate is a high-purity organic peroxide widely utilized as a polymerization initiator and crosslinking agent. Its controlled decomposition rate makes it a critical component for achieving specific polymer properties and reaction kinetics in industrial processes. This compound is essential for manufacturers in the polymer, resin, and specialty chemical industries seeking reliable and efficient free-radical sources.

Application

• Polymerization Initiator: Primarily used for the free-radical polymerization of monomers like styrene, vinyl chloride, and acrylates to produce various plastics and resins.
• Crosslinking Agent: Employed in the curing and crosslinking of unsaturated polyester resins (UPR) and other thermosetting polymers to enhance mechanical strength and thermal stability.
• Synthetic Rubber Production: Acts as an initiator in the production of synthetic rubbers such as styrene-butadiene rubber (SBR) and acrylonitrile-butadiene rubber (NBR).
• Acrylic Sheet & Casting Resins: Used in the manufacture of polymethyl methacrylate (PMMA) sheets and cast acrylic products.
• Composite Materials: Facilitates the curing of fiber-reinforced plastic (FRP) composites used in automotive and marine applications.
• Adhesive & Coating Formulations: Serves as a key component in radiation-curable adhesives, inks, and coatings that require precise curing initiation.

Basic Information

Product Name	T-Hexyl Peroxybenzoate
CAS No.	124350-67-0
Molecular Formula	C13H18O3
Molecular Weight	222.28 g/mol
Synonyms	tert-Hexyl Peroxybenzoate; tert-Hexyl Perbenzoate; 1,1-Dimethylbutyl Peroxybenzoate; Peroxybenzoic Acid 1,1-Dimethylbutyl Ester; T-Hexyl Perbenzoate; TBHPB; Initiator TBHPB; Perbenzoic Acid, tert-Hexyl Ester
EINECS	Contact for details

Quality Control

Our T-Hexyl Peroxybenzoate is manufactured under strict quality control protocols to ensure batch-to-batch consistency and high purity. Each lot is analyzed to confirm identity, assay, and impurity profiles. Certificates of Analysis (COA) documenting full specifications are provided with every shipment and are available upon request.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flame. Due to its nature as an organic peroxide and being easily oxidized (store under inert atmosphere), it should be kept separate from reducing agents, acids, bases, and other incompatible materials. Recommended storage temperature is 15-25°C. Do not store for prolonged periods.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	≥ 7.0 %
Density (at 20°C)	1.01 - 1.03 g/cm³
Refractive Index (n20D)	1.495 - 1.505

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