Description

Bis(o-Toluoyl) Peroxide is a high-purity organic peroxide widely recognized for its efficacy as a polymerization initiator and cross-linking agent. Its controlled decomposition properties make it a critical component for initiating free-radical reactions in polymer synthesis. This product is essential for manufacturers in the polymer and specialty chemical industries seeking reliable and consistent initiator performance for producing high-quality resins and elastomers.

Application

• Primary initiator for the polymerization of vinyl chloride (PVC) and other vinyl monomers.
• Key component in the curing and cross-linking of unsaturated polyester resins for fiberglass-reinforced plastics (FRP).
• Used in the production of acrylic resins and specialty polymers requiring controlled molecular weight.
• Employed as a cross-linking agent for silicone rubbers and certain elastomers to enhance thermal and mechanical properties.
• Facilitates graft polymerization processes to create modified polymers with specific characteristics.
• Applied in the synthesis of block copolymers and other advanced polymeric materials.

Basic Information

Product Name	Bis(o-Toluoyl) Peroxide
CAS No.	3034-79-5
Molecular Formula	C16H14O4
Molecular Weight	270.28 g/mol
Synonyms	Di(o-toluoyl) peroxide; o,o'-Ditolyl peroxide; Bis(2-methylbenzoyl) peroxide; Di-2-methylbenzoyl peroxide; 2-Methylbenzoyl peroxide; o-Toluoyl peroxide; DTBP; DTBPO
EINECS	221-217-7

Quality Control

Our Bis(o-Toluoyl) Peroxide is manufactured under stringent quality management systems to ensure batch-to-batch consistency and reliability. Each lot undergoes comprehensive analytical testing, including assay and purity verification, to meet exacting industry specifications. A Certificate of Analysis (COA) detailing all test results is provided with every 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 flames. Keep away from incompatible materials such as strong reducing agents, acids, bases, and other organic compounds. Recommended storage temperature is 15-25°C. This product is a strong oxidizer; observe all relevant safety and handling protocols.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	≥ 5.9 %
Melting Point	48 - 52 °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.