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Di(2-Ethylhexyl) Peroxydicarbonate 75% - Top China Suppliers & Factory for Polymerization Initiators

EHP is a high-performance initiator, composed of 75% active ingredient, designed for the (co)polymerization of ethylene, vinyl chloride, and vinylidene chloride. As a leading product from reliable suppliers in China, EHP is manufactured in state-of-the-art facilities, ensuring superior quality and consistency. Our factory is dedicated to producing top-tier initiators that meet the demands of modern polymer applications, making EHP the ideal choice for industries seeking efficient and effective polymerization solutions.

    Half Life Data

    10 Hours Half Life Temp 47℃
    1 Hour Half Life Temp 64℃
    1 Minute Half Life Temp 83℃
    PRODUCT3dbe
    EHP 75%
    Chemical name Di(2-ethylhexyl) peroxydicarbonate
    Molecular formula C18H34O6
    Molecular weight 246.5
    CAS NO. 16111-62-9
    UN NO. 3115
    EINECS. 240-282-4

    Specification

    Appearance clear liquid
    Assay 74.0-76.0 %
    Active Oxygen Content 3.41-3.51 %

    Package & Storage

    Standard packaging size for EHP is 20 kg net. Smaller packaging size is available on request.

    • Store in a cool and ventilated space, with the warehouse temperature not exceeding -15℃.
    • Stay away from the fire and the heat source. It shall be stored separately from acid, reducing agent, flammable, combustible, reducing agent, etc.
    • The lighting and ventilation facilities in the storage room are explosion-proof, and the switch is located outdoors.
    • When handling, you should be careful to prevent the damage of packaging and containers, prohibit impact and oscillation, and pay attention to personal protection in packing and handling operations.
    • Please read the Safety Technical Manual (MSDS) carefully when storing, transporting and using the product.

    Thermal Stability Warning (Organic Peroxides)

    Organic peroxides are thermally unstable substances, which may undergo self-accelerating decomposition. The lowest temperature at which self-accelerating decomposition of a substance in the original packaging may occur is the Self Accelerating Decomposition Temperature (SADT). The SADT is determined on the basis of the Heat Accumulation Storage Test.

    SADT 5°C (41°F)
    Emergency temperature (Tₑ) -5°C (23°F)
    Control temperature (Tc) -15°C (5°F)

    Method: The Heat Accumulation Storage Test is a recognized test method for the determination of the SADT of organic peroxides (see Recommendations on the Transport of Dangerous Goods, Manual of Tests and Criteria - United Nations, New York and Geneva).

    Applications

    EHP is an efficient initiator for the production of Low Density Polyethylene (LDPE). It is used both for tubular and autoclave processes. In most cases a combination with other peroxides is used to ensure a broad reactivity range. EHP is applied as an initiator for the suspension and mass polymerization of vinyl chloride in the temperature range between 40°C and 65°C.

    Frequently Asked Questions (FAQ)

    What is the chemical name and CAS number of EHP?
    The chemical name of EHP is Di(2-ethylhexyl) peroxydicarbonate, and its CAS registry number is 16111-62-9.
    What are the half-life temperatures of EHP?
    The half-life temperatures for EHP are 47℃ for 10 hours, 64℃ for 1 hour, and 83℃ for 1 minute.
    What is the standard packaging size for EHP?
    The standard packaging size for EHP is 20 kg net, and smaller packaging sizes can be made available upon request.
    What are the storage temperature requirements for EHP?
    EHP must be stored in a cool, ventilated warehouse where the storage temperature does not exceed -15℃. It must also be kept away from fire, heat sources, acids, and reducing agents.
    What are the SADT and control temperatures for EHP?
    The Self Accelerating Decomposition Temperature (SADT) is 5°C (41°F), the Control Temperature (Tc) is -15°C (5°F), and the Emergency Temperature (Te) is -5°C (23°F).
    What are the primary applications of EHP?
    EHP is primarily used as an initiator for the production of Low Density Polyethylene (LDPE) in tubular and autoclave processes, as well as for the suspension and mass polymerization of vinyl chloride within a temperature range of 40°C to 65°C.

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