• Perodox® A - Tert-Butyl hydroperoxide

    CAS: 75-91-2 | TBHP

    is an initiator for (co)polymerization of styrene, butadiene, acrylonitrile and (meth)acrylates. Curing agent for vinylester resins. High purity reagent in pharmaceutical and fine chemicals synthesis. Viscosity breaker for oilfield fracking.

  • Product Overview

    Perodox A can be used as an initiator in bulk, aqueous solution and emulsion polymerization of styrene, acrylates and methacrylates. The polymerization can be initiated by radicals generated by the thermal decomposition of Perodox A above

    110°C or through a redox mechanism at low temperatures. Effective organic reducing agents are ascorbic acid and sodium formaldehyde sulfoxylate, possibly combined with heavy metal compounds such as cobalt or iron salts. Typical applications of Perodox A include: manufacture of acrylate, vinylacetate, styrene-butadiene and other latices, curing of styrenepolyester resins and use as an oxidizing agent for hydrocarbons or other chemicals.

    CAS Number:75-91-2

    TSCA Status:Listed on inventory

    EINECS/ELINCS No.:200-915-7

    Molecular Weight:90.1

  • Applications

    Perodox® MEKP is widely used in various industries as Polymerization Initiator and Oxidation Reagent

    Polymerization Initiator

    tert-Butyl hydroperoxide serves as a free radical initiator in polymerization reactions for various monomers including styrene, vinyl chloride, and acrylics.

    It decomposes to generate tert-butoxyl radicals that initiate chain growth.

    Oxidation Reagent in Organic Synthesis

    TBHP is widely employed as an oxidizing agent in numerous chemical transformations:

    • Epoxidation: Selective oxidation of alkenes to epoxides using metal catalysts such as molybdenum hexacarbonyl (Mo(CO)6)
    • Alcohol Oxidation: Conversion of alcohols to corresponding carbonyl compounds
    • Baeyer-Villiger Oxidation: Transformation of ketones to esters or lactones

    Other Applications

    • Fuel desulfurization through oxidative processes
    • Fine chemicals production
    • Agrochemical synthesis intermediates
    • Research reagent for studying oxidative stress in biological systems

  • Technical Data

    Comprehensive technical specifications and performance characteristics of Perodox® A

    Half-Life Data

    0.1 hr at 207°C

    1 hr at 185°C

    10 hr at 164°C

    Formula 1 kd = A·e-Ea/RT

    Formula 2 t½ = (ln2)/kd

    Ea 186.01 kJ/mole

    A 3.18E+17 s-1

    R 8.3142 J/mole·K

    T (273.15+°C) K

    Thermal Stability (SADT)

    80°C - Self-Accelerating Decomposition Temperature

    Packaging

    25KG polyethylene white plastic drums

  • Safety & Storage

    Proper handling and storage procedures for Perodox® B (DTBP)

    Storage Conditions

    Keep containers tightly closed. Store and handle in a dry well-ventilated place away from sources ofheat or ignition and direct sunlight. Never weigh out in the storage room. Avoid contact with reducing agents (e. g.amines), acids, alkalis and heavy metal compounds (e. g. accelerators, driers and metal soaps).

    Transport Classification

    Clssified as Organic peroxide type F, liquid; Division 5. 2; UN 3109.

    Decomposition Products

    Methane, Acetone, tert-Butanol

    Thermal Stability

    SADT 80°C

  • Frequently Asked Questions

    Common questions about Perodox® A and its applications

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