Description

2,4-Dichlorobenzoyl Peroxide is a specialized organic peroxide widely recognized for its role as a high-activity initiator in polymerization reactions. Its value lies in its ability to efficiently generate free radicals at moderate temperatures, enabling precise control over polymer molecular weight and structure. This compound is essential for manufacturers in the polymer and plastics industries, particularly for producing specialty resins, cross-linked polymers, and high-performance materials where specific initiation profiles are required.

Application

• Primary free-radical initiator for the polymerization of vinyl chloride, styrene, and acrylates.
• Key component in the production of unsaturated polyester resins for fiberglass-reinforced plastics (FRP).
• Used in the curing and cross-linking of elastomers and silicone rubbers to enhance thermal and mechanical properties.
• Employed in the synthesis of specific block and graft copolymers with tailored characteristics.
• Applied in the manufacturing of acrylic sheet and cast resins.
• Utilized as a hardening agent in certain dental and medical polymer formulations.

Basic Information

Product Name	2,4-Dichlorobenzoyl Peroxide
CAS No.	133-14-2
Molecular Formula	C14H6Cl4O4
Molecular Weight	380.01 g/mol
Synonyms	Bis(2,4-dichlorobenzoyl) peroxide; 2,4-Dichloroperoxybenzoic acid; (2,4-Dichlorobenzoyl) peroxide; Peroxide, bis(2,4-dichlorobenzoyl); DCBP; 2,4-Dichlorobenzoperoxoic acid; Luperox® DC
EINECS	205-096-7

Quality Control

Our 2,4-Dichlorobenzoyl Peroxide is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. The product undergoes comprehensive analytical testing, including assay, active oxygen content, and impurity profiling. A Certificate of Analysis (COA) detailing all test results is provided with each shipment to guarantee compliance with your technical requirements.

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, it is recommended to store under appropriate conditions, separate from reducing agents, acids, bases, and other incompatible materials. Refer to the Safety Data Sheet for complete handling and storage instructions.

Specification

Item	Specification
Appearance	White to off-white crystalline powder or paste
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 98.0 %
Active Oxygen Content	4.20 - 4.30 %
Loss on Drying	≤ 1.0 %
Chloride Content	≤ 0.5 %

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