• Perodox® 187 - Diisobutyryl Peroxide

    CAS: 3437-84-1

    High-purity polymerization initiator for PVC, ethylene, and specialty polymer production. Certified quality with global shipping availability.

  • Product Overview

    Perodox® 187, Diisobutyryl peroxide (C₈H₁₄O₄) is an organic peroxide widely used as a free radical initiator in polymerization reactions. With a molecular weight of 174.2 g/mol, this compound serves as a critical component in the production of high K-value polyvinyl chloride (PVC) resins and other specialty polymers.

    The chemical is typically supplied as a colorless transparent liquid solution with concentrations up to 52%. It is classified as an organic peroxide, Type B, requiring specific temperature control during storage and transportation

    CAS Number:3437-84-1

    EINECS/ELINCS No.:222-340-0

    Molecular Formula:C₈H₁₄O₄

    Molecular Weight:174.2 g/mol

  • Applications

    Diisobutyryl peroxide serves as a crucial polymerization initiator across multiple industries, with its primary application in high K-value PVC production

    High K-Value PVC Production

    As the dominant application, Diisobutyryl peroxide is essential for producing high molecular weight PVC with superior viscosity and performance attributes. This high K-value PVC is required for specific end uses such as wire and cable insulation, rigid pipes, and sheets. The global market for Diisobutyryl peroxide in PVC production is expected to grow at a CAGR of 2.5%-4.5% through 2030, driven by construction activity in Asia-Pacific and emerging economies

    Specialty Polymerization

    Beyond PVC, Diisobutyryl peroxide is used in specialty polymerizations, elastomer modifications, and certain cross-linking processes. These niche applications benefit from the compound's ability to efficiently generate free radicals under controlled decomposition conditions, enabling tailored polymer properties

    Industrial Applications

    Diisobutyryl peroxide also serves as a curing agent for polyesters, a cross-linking agent for rubber, and is used as a foaming agent, bleaching agent, and drying agent in various industrial applications

  • Technical Data

    Technical Data About Perodox® 187

    Property

    Molecular Formula:C₈H₁₄O₄

    Molecular Weight:174.2 g/mol

    Density:1.034 g/cm³

    Boiling Point:199.3°C

    Flash Point:75.1°C -

    Water Solubility:49.1 g/L 2

    Vapor Pressure:0.344 mmHg

    LogP:1.2998

    Half-Life Period

    Half-Life Temperature

    0.1 hour 57°C

    1 hour 39°C

    10 hours 23°C

    Safety Information

    GHS Classification:Organic peroxides, Type B; Skin corrosion, Category 1B; Skin sensitization, Category 1; Eye irritation, Category 2

    Hazard StatementsH241: Heating may cause a fire or explosion; H314: Causes severe skin burns and eye damage; H317: May cause an allergic skin reaction

    Precautionary StatementsP210, P234, P235, P240, P280, P260, P264, P261, P272

    Transport ClassificationUN 3115, Organic Peroxide, Type D, 5.2

    Storage and Handling

    Store in a cool, well-ventilated environment, ensuring that the temperature remains below -20°C. Keep away from potential ignition sources, such as heat or open flames, and ensure it's stored separately from acids, flammable materials, and reducing agents. The product should be stored in original packaging, protected from sunlight, and kept in a well-ventilated place

  • Frequently Asked Questions

    Comprehensive questions and answers about Perodox® 187 applications, safety, and technical specifications

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