Description

2-Butanone Peroxide is a highly effective organic peroxide widely used as a polymerization initiator and cross-linking agent. Its primary value lies in its ability to initiate free-radical reactions at moderate temperatures, making it a critical component for producing high-performance polymers and composites. This compound is essential for manufacturers in the plastics, coatings, and adhesive industries seeking to optimize curing processes and enhance material properties.

Application

• Polymerization Initiator: A key catalyst for the production of unsaturated polyester resins (UPR), vinyl ester resins, and acrylic resins.
• Cross-Linking Agent: Used to cure and harden elastomers and thermoset plastics, improving their mechanical strength and thermal stability.
• Reinforced Plastics & Composites: Critical in the fabrication of fiberglass-reinforced plastics (FRP) for automotive parts, marine vessels, and construction panels.
• Coatings & Adhesives: Serves as a curing agent for coatings, gel coats, and structural adhesives, ensuring fast and complete polymerization.
• Acrylic Sheet Production: Used in the casting process for polymethyl methacrylate (PMMA) sheets and products.
• Wood Filler & Repair Compounds: Accelerates the curing of polyester-based fillers and repair pastes.

Basic Information

Product Name	2-Butanone Peroxide
CAS No.	1338-23-4
Molecular Formula	C8H18O6
Molecular Weight	210.23 g/mol
Synonyms	Methyl Ethyl Ketone Peroxide (MEKP); MEK Peroxide; 2-Butanone peroxide; Ethyl methyl ketone peroxide; Lupersol DDM; Cadox M-50; Peroxan MEK; Norox MEKP; Butanox M-50; Initiator K; Lucidol CH 50
EINECS	215-661-2

Quality Control

Our 2-Butanone Peroxide is manufactured under strict quality management systems to ensure batch-to-batch consistency and reliability. We provide comprehensive Certificates of Analysis (COA) for every shipment, detailing key parameters such as active oxygen content, peroxide concentration, and impurity profiles. Our quality protocols are designed to meet the stringent requirements of industrial polymer production.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated area away from heat, sparks, and open flames. Keep away from reducing agents, strong acids, bases, and combustible materials. Due to its nature as an organic peroxide, storage quantities and conditions should comply with local and international regulations for hazardous materials.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Active Oxygen Content	Min. 10.0 %
Peroxide Content (as MEKP)	~50 - 60 %
Water Content	Max. 15 %
Density (at 20°C)	~1.10 g/cm³
Viscosity	Contact for details
Flash Point	< 80 °C

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