Description

Peroxide, Bis(4-Methylbenzoyl) is a specialized organic peroxide compound widely utilized as a high-performance initiator in polymerization reactions. Its primary value lies in its ability to generate free radicals at controlled temperatures, enabling the efficient production of various polymers and resins. This product is essential for manufacturers in the polymer, specialty chemical, and advanced materials industries seeking reliable and consistent initiator performance.

Application

• Polymerization Initiator: A key free-radical initiator for the production of polystyrene, polyethylene, polyvinyl chloride (PVC), and other vinyl polymers.
• Cross-linking Agent: Used in the curing and cross-linking of unsaturated polyester resins and silicone rubbers to enhance thermal and mechanical properties.
• Synthesis Intermediate: Serves as an intermediate in the synthesis of other organic peroxides and specialty chemicals.
• Resin Manufacturing: Employed in the manufacture of fiberglass-reinforced plastics (FRP) and composite materials.
• Adhesive & Coating Formulations: Acts as a curing agent in specific adhesive, sealant, and coating systems requiring controlled reactivity.

Basic Information

Product Name	Peroxide, Bis(4-Methylbenzoyl)
CAS No.	895-85-2
Molecular Formula	C16H14O4
Molecular Weight	270.28 g/mol
Synonyms	Di(4-methylbenzoyl) peroxide; Bis(p-toluoyl) peroxide; p,p'-Dimethyldibenzoyl peroxide; 4,4'-Dimethylbenzoyl peroxide; DTBPO; p-Toluoyl peroxide; (4-Methylbenzoyl) peroxide; Perkadox® P-T
EINECS	213-978-6

Quality Control

Our production of Bis(4-Methylbenzoyl) Peroxide adheres to stringent quality management protocols. Each batch undergoes comprehensive analytical testing, including assay, purity, and impurity profile analysis, to ensure it meets precise customer and industry specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to guarantee traceability and compliance.

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 a strong oxidizer, it must be segregated from reducing agents, acids, bases, and combustible materials. Recommended storage temperature is 15-25°C. Keep container tightly sealed when not in use.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	≥ 5.9 %
Melting Point	136 - 140 °C
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.