Description

Di-tert-Butyl Diperoxyphthalate is a high-purity organic peroxide primarily utilized as a polymerization initiator and crosslinking agent. Its controlled decomposition characteristics make it a critical component for achieving specific polymer properties and reaction kinetics in advanced manufacturing. This compound is essential for industrial chemists and material scientists working in the production of specialty polymers, elastomers, and composite materials.

Application

• Polymerization Initiator: Used in the free-radical polymerization of monomers like styrene, vinyl chloride, and acrylates to produce polymers with controlled molecular weights.
• Crosslinking Agent for Elastomers: Facilitates the vulcanization and crosslinking of synthetic rubbers (e.g., EPDM, silicone) to enhance thermal stability and mechanical strength.
• Curing Agent for Unsaturated Polyester Resins: Enables the room-temperature or elevated-temperature curing of resins used in fiberglass-reinforced plastics (FRP) and composite materials.
• Organic Synthesis Intermediate: Serves as a source of tert-butoxy radicals in selective oxidation reactions and the synthesis of fine chemicals.
• Modifier for Polymer Properties: Employed to introduce branching or modify the melt flow index (MFI) and other physical characteristics of polyolefins.

Basic Information

Product Name	Di-tert-Butyl Diperoxyphthalate
CAS No.	2155-71-7
Molecular Formula	C16H22O6
Molecular Weight	310.34 g/mol
Synonyms	DTBDP; Di-tert-butyl diperoxyphthalate; Di-t-butyl diperoxyphthalate; Peroxide, bis(1,1-dimethylethyl) 1,2-benzenedicarboxylate; 1,2-Benzenedicarboxylic acid, bis(1,1-dimethylethyl) ester, diperoxy; Bis(tert-butyl) diperoxyphthalate; tert-Butyl peroxyphthalate; Vul-Cup R
EINECS	218-452-7

Quality Control

Our Di-tert-Butyl Diperoxyphthalate is manufactured under stringent quality management systems. Each batch undergoes comprehensive analytical testing, including assay by iodometric titration and identification by FT-IR spectroscopy, to ensure it meets precise purity and activity specifications. Certificates of Analysis (COA) documenting all critical parameters are provided with every shipment to guarantee traceability and compliance with your internal quality 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. Maintain storage temperature below 30°C (86°F). Isolate from reducing agents, strong acids, bases, and other incompatible materials. Due to its nature as an organic peroxide, store only in the original manufacturer's container and avoid contamination.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Assay (Active Oxygen)	≥ 98.0 %
Melting Point	50 - 55 °C
Loss on Drying	≤ 0.5 %
Solubility (in Benzene)	Clear solution

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