• Perodox® 29 - 1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane

    CAS: 6731-36-8

    It is used for the (co)polymerization of styrene, acrylonitrile, acrylates and methacrylates in the temperature range between 90°C and 120°C and for the polymerization of diethylene glycol di(allylcarbonate) based optical monomers

  • Product Overview

    Perodox® 29, 1,1-Di(tert-butylperoxy)-3,3,5-trimethylcyclohexane, also known as TMCH, is an organic peroxide widely used as a crosslinking agent and polymerization initiator in the polymer industry. It is a clear, colorless to light yellow liquid with a characteristic odor

    CAS Number: 6731-36-8

    Molecular Formula: C17H34O4

    Molecular Weight: 302.46 g/mol

    EINECS Number: 229-782-3

    Appearance: Clear, colorless to light yellow liquid

    Common Synonyms: Luperox 231, Perodox 29, Perhexa 3M, TMCH,Trigonox 29

  • Applications

    Perodox® 29 is primarily used as a free-radical initiator and crosslinking agent in various polymer processes

    Polymer Crosslinking

    Used for crosslinking polyethylene, polystyrene, and ethylene-vinyl acetate (EVA) copolymers, especially in the production of heat-shrinkable films

    Polymerization Initiator

    Effective for the polymerization of styrene, acrylonitrile, acrylates, and methacrylates at temperatures between 90°C and 120°C

    Rubber Curing

    Employed in the vulcanization of silicone rubber and polyurethane, offering low curing temperatures and minimal odor

    Unsaturated Polyester Resin Curing

    Acts as a heat curing agent for unsaturated polyester resins

  • Product Technical Specifications

    Comprehensive technical specifications and performance characteristics of Perodox® 29

    Property

    Purity (Assay):Commonly available as 40%, 75%, 90%, or 98% solutions in various solvents (e.g., isododecane, mineral oil)

    Active Oxygen Content:Typically 9.31% - 9.52%

    Density (at 20°C):Approximately 0.895 - 0.955 g/cm³
    Melting Point: -20 °C

    Boiling Point Approx.: 403.47°C (estimate)

    Flash Point: 62°C

    Refractive Index (n20/D): 1.441 - 1.453

    Water Solubility: Immiscible

    Vapor Pressure (at 20°C): 0.009 Pa

    Half-Life Data (10 hr) : 92°C

    LogP (Partition Coefficient) : 6.92 - 7 at 20-25°C

  • Safety & Storage

    Proper handling and storage procedures for Perodox® 29

    Hazard Identification

    GHS Classification: Organic Peroxide, Type B

    Hazard Statements: H241 - Heating may cause a fire or explosion

    Precautionary Statements: P210, P220, P234, P280, etc. (Keep away from heat/ignition sources; wear protective equipment)

    Other Hazards: Oxidizing agent; may be harmful if inhaled or ingested; irritating to skin, eyes, and respiratory system; toxic to aquatic life

    Safe Storage Conditions

    Store in a tightly closed container in a cool, well-ventilated place, preferably in a refrigerator at or below +4°C

    Keep away from heat, sparks, open flames, and direct sunlight

    Store separately from acids, reducing agents, combustibles, and other incompatible materials

    Storage temperature should not exceed 25-30°C

    Handling Precautions

    Avoid contact with skin and eyes. Use appropriate personal protective equipment (gloves, goggles, protective clothing)

    Avoid formation of dust and aerosols. Use non-sparking tools

    Prevent electrostatic discharge

    Do not evaporate to dryness due to explosion risk

  • Frequently Asked Questions

    Common questions about Perodox® 29 and its applications

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