Description

2,4-Pentanedione Peroxide is a specialized organic peroxide compound widely utilized as a high-activity initiator for polymerization reactions. Its primary value lies in its ability to generate free radicals at moderate temperatures, making it a critical component for controlling reaction kinetics and polymer properties in industrial manufacturing. This product is essential for chemical engineers and production managers in the polymer, resin, and specialty chemical synthesis sectors who require reliable and efficient initiation for vinyl monomers and unsaturated polyester resins.

Application

• Polymerization Initiator: A key free-radical source for the bulk, solution, or suspension polymerization of styrene, vinyl chloride, methyl methacrylate, and other vinyl monomers.
• Unsaturated Polyester Resin (UPR) Curing: Used as a catalyst to initiate the cross-linking reaction in fiberglass-reinforced plastics (FRP), coatings, and gel coats at elevated temperatures.
• Acrylic Resin Production: Facilitates the production of acrylic sheets, molding powders, and surface coatings by initiating the polymerization of acrylic acid esters.
• Synthetic Rubber Manufacturing: Employed in the production of styrene-butadiene rubber (SBR) and other synthetic elastomers.
• Adhesive & Sealant Formulation: Acts as a curing agent in certain reactive adhesive and sealant systems.
• Chemical Synthesis: Serves as an oxidizing agent or radical source in specialized organic synthesis processes.

Basic Information

Product Name	2,4-Pentanedione Peroxide
CAS No.	37187-22-7
Molecular Formula	C5H8O4
Molecular Weight	132.11 g/mol
Synonyms	Acetylacetone Peroxide; 2,4-Pentanedione Peroxide Solution; AAPO; AcAc Peroxide; Diacetyl Peroxide; 2,4-Dioxopentane Peroxide; 1,1'-Dihydroperoxydi-2-propanone; 2,4-Pentanedione, diperoxide
EINECS	Contact for details

Quality Control

Our 2,4-Pentanedione Peroxide is manufactured under strict process controls to ensure batch-to-batch consistency and high purity. The product undergoes rigorous quality testing, including assay and impurity profiling, to meet stringent industry specifications. A Certificate of Analysis (COA) detailing purity, active oxygen content, and solvent composition is provided with each shipment to ensure compliance with your formulation requirements.

Storage

Preserve in a tightly closed, properly labeled container, protected from all light exposure. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Keep away from reducing agents, strong acids, bases, and other incompatible materials. Due to its nature as an organic peroxide, store in the original container and avoid contamination. Recommended storage temperature is 15-25°C. Refer to the Safety Data Sheet (SDS) for complete handling and storage instructions.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms
Assay (Active Oxygen)	≥ 9.0 %
Purity (by GC)	≥ 95.0 %
Solvent (Typical)	Dimethyl Phthalate or other inert solvent
Water Content (KF)	≤ 0.5 %

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