Description

Meta-Diisopropylbenzenedihydroperoxide CAS NO 721-26-6 is a high-purity organic peroxide primarily utilized as a polymerization initiator and crosslinking agent. This compound is valued for its ability to generate free radicals under controlled thermal conditions, enabling precise control over polymer chain formation and material properties. It is a critical raw material for manufacturers in the polymer, rubber, and specialty chemical industries seeking to produce materials with specific performance characteristics.

Application

• Polymerization Initiator: Used as a free-radical initiator in the production of polystyrene, polyethylene, and other vinyl polymers.
• Crosslinking Agent: Essential for curing and crosslinking unsaturated polyester resins and silicone rubbers to enhance thermal and mechanical stability.
• Synthetic Intermediate: Serves as a key intermediate in organic synthesis for the production of specialty chemicals and pharmaceuticals.
• Curing Agent for Composites: Employed in the manufacture of fiber-reinforced plastic (FRP) composites for automotive and construction applications.
• Adhesive & Sealant Formulation: A component in formulations for high-performance adhesives and sealants requiring controlled cure profiles.
• Rubber Vulcanization: Acts as a vulcanizing agent for certain synthetic elastomers to improve their durability and resistance.

Basic Information

Product Name	Meta-Diisopropylbenzenedihydroperoxide
CAS No.	721-26-6
Molecular Formula	C12H18O4
Molecular Weight	226.27 g/mol
Synonyms	m-Diisopropylbenzene Dihydroperoxide; 1,1'-(1,3-Phenylenebis(1-methylethylidene))bis(hydroperoxide); Bis(1-methyl-1-phenylethyl) peroxide; Dicumyl peroxide, m-isomer; m-Bis(α,α-dimethylbenzyl) peroxide; Peroxide, bis(1-methyl-1-phenylethyl); m-Dicumyl peroxide; 1,3-Bis(1-hydroperoxy-1-methylethyl)benzene
EINECS	211-968-6

Quality Control

Our Meta-Diisopropylbenzenedihydroperoxide is manufactured under stringent quality management systems. Each batch undergoes rigorous analytical testing, including assay by HPLC and impurity profiling, to ensure it meets precise specifications for purity and reactivity. Certificates of Analysis (COA) documenting all critical quality attributes are provided with every shipment to guarantee traceability and compliance with your internal 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 strong acids, bases, reducing agents, and other organic materials. Recommended storage temperature is 2-8°C (35-46°F) to maintain stability. Observe all local regulations for the storage of organic peroxides.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0 %
Active Oxygen Content	≥ 7.0 %
Loss on Drying	≤ 0.5 %
Residue on Ignition	≤ 0.1 %
Heavy Metals (as Pb)	≤ 10 ppm

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