Description

p-Chlorobenzoyl Peroxide, also known as Bis(p-Chlorobenzoyl) Peroxide, is a specialized organic peroxide compound. It serves as a highly effective initiator and cross-linking agent in polymerization reactions, valued for its controlled decomposition properties. This chemical is essential for manufacturers in the polymer, plastics, and specialty resin industries seeking to produce materials with specific molecular architectures and performance characteristics.

Application

• Polymerization Initiator: Primary use as a free-radical initiator for the polymerization of vinyl chloride, styrene, and other monomers.
• Cross-linking Agent: Used to create cross-linked polymers and thermosetting resins, enhancing thermal stability and mechanical strength.
• Silicone Rubber Curing: Employed in the vulcanization and curing processes for high-temperature silicone rubbers.
• Polyester Resin Production: Acts as a catalyst in the curing of unsaturated polyester resins for composites and fiberglass.
• Acrylic Polymer Synthesis: Facilitates the production of polyacrylates and polymethacrylates for coatings and adhesives.
• Specialty Plastic Manufacturing: Key component in the synthesis of engineering plastics requiring precise molecular weight control.

Basic Information

Product Name	p-Chlorobenzoyl Peroxide
CAS No.	94-17-7
Molecular Formula	C14H8Cl2O4
Molecular Weight	311.12 g/mol
Synonyms	Bis(4-chlorobenzoyl) peroxide; Bis(p-chlorobenzoyl) peroxide; Di(p-chlorobenzoyl) peroxide; p,p'-Dichlorobenzoyl peroxide; 4,4'-Dichlorodibenzoyl peroxide; Peroxide, bis(4-chlorobenzoyl); NSC 406291
EINECS	202-311-1

Quality Control

Our p-Chlorobenzoyl Peroxide is manufactured under strict quality protocols to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay, purity, and impurity profile analysis. Certificates of Analysis (COA) detailing all test results are provided to guarantee the product meets your specific technical requirements and industry standards.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area away from heat, sparks, and open flames. Keep away from incompatible materials such as reducing agents, strong bases, and heavy metal compounds. Recommended storage temperature is 15-25°C. Due to its nature as an organic peroxide, handle and store only in the original container and in accordance with all local and international regulations for oxidizing substances.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	≥ 5.0 %
Melting Point	Approx. 115 - 120 °C (dec.)
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %

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