VEENOX® 1098

Phenolic primary antioxidant for processing and long-term thermal stabilization




Veenox 1098 PW is a sterically hindered phenolic especially suited for the stabilization of polyamide molded parts, fibres, and films. It is a highly effective, non-discolouring stabilizer for organic substrates such as plastics, synthetic fibres, elastomers and adhesives. It protects these substrates against thermal and oxidative degradation.


    General Information and Properties

    CAS no: 23128-74-7
    Chemical name: N,N’-hexane-1,6-diylbis(3-(3,5-di-tert-butyl-4-hydroxyphenylpropionamide))
    Molecular formula: C40H64N2O4
    Molecular weight: 637 g/mol

    AppearanceWhite, free flowing powder
    Melting Range156 – 162°C
    Specific Gravity0.95 to 0.99 gm/cc
    Flash Point282 °C
    Solubility in Water @ 20°C0.01 g/100 ml
    Specific Gravity @ 20°C1.04 g/cc

    Properties That Influence the Application and Performance

    As an efficient antioxidant, it neutralizes free radicals, protecting materials against thermo oxidative degradation and enhancing the longevity and durability of products. It is also non-toxic and non-polluting antioxidant.

    • Oxidation Inhibition:

    As a primary antioxidant, Veenox 1098 efficiently inhibits the oxidation process by scavenging free radicals, thereby preventing chain reactions that lead to material degradation.

    • Thermal Stability:

    The impressive thermal stability of Veenox 1098 allows it to function effectively in high-temperature applications over longer periods of time, protecting materials even under elevated processing conditions. In addition, it displays excellent initial resin colour.

    • Enhanced Colour and Resistance to Extraction:

    A feature of Veenox 1098 is its superiority over copper-based stabilization systems used in polyamides. This antioxidant not only maintains exceptional colour retention but also elevates resistance against extraction.

    • Enhanced Colour and Resistance to Extraction:

    A feature of Veenox 1098 is its superiority over copper-based stabilization systems used in polyamides. This antioxidant not only maintains exceptional colour retention but also elevates resistance against extraction.

    • Excellent Compatibility and Low Volatility:

    Veenox 1098 displays excellent compatibility with polyamides and various other substrates. This versatility ensures seamless integration into a variety of applications, expanding its utility across industries. Additionally, its low volatility further enhances its suitability for diverse formulations.



    Veenox 1098 is a phenolic antioxidant Vinati Organics offers. With its exceptional properties, Veenox 1098 plays a critical role in various industrial applications by providing robust protection against oxidative degradation. From the polymer and plastic industry to fibre or rubber manufacturing, adhesives, sealants, coatings, paints, lubricants, and more, Veenox 1098 remains vital for achieving durable and high-quality materials.

    • Stabilization of Polyamide Molded Parts, Fibres, and Films:

    Veenox 1098 emerges as a paramount solution for the stabilization of polyamide moulded parts, fibres, and films. At concentrations ranging from 0.05% to 0.5%, it exerts its protective influence, countering the degradation threats posed by thermal stress and oxidative processes. By integrating Veenox 1098, these essential polyamide components gain an extended lease on life, maintaining structural integrity and functionality.

    • Polyamide Polymerization Enhancement:

    Incorporating Veenox 1098 during the polyamide polymerization phase, within the concentration range of 0.05% to 0.2%, bestows a transformative shield to the polymer’s colour properties. This initial layer of protection becomes particularly significant as the polymer progresses through subsequent fabrication, spinning, or finishing operations. With Antioxidant 1098 as a guardian, the inherent hues of the polymer remain vibrant and untarnished, fostering an enduring appeal in the final product.

    • Polymer, Plastic, Packaging Industry:

    Veenox 1098 serves as a primary stabilizer for polymers such as polyacetals, polyesters and polyurethanes, and plastics, providing long-term protection against degradation caused by heat, light, and oxygen exposure. Its role in inhibiting chain scission and cross-linking reactions ensures the preservation of mechanical and physical properties, resulting in durable and high-quality materials. Veenox 1098 in the packaging industry safeguards the properties of polyamide-based packaging materials.

    • Automotive Components:

    Veenox 1098 can also be used in polyamide-based components. These components, critical for both structural and aesthetic considerations, benefit from the antioxidant’s ability to stave off degradation caused by temperature fluctuations and oxidative forces. Veenox 1098 helps preserve the functionality of automotive parts, ensuring they withstand the challenges of prolonged use.

    • Adhesives and Sealants:

    As an antioxidant in adhesives and sealants, Veenox 1098 enhances stability and performance, promoting reliable bonding and sealing properties.

    • Lubricants And Oils:

    The chemical’s thermal stability makes it an ideal antioxidant for lubricants and oils, safeguarding machinery components and extending their service life.

    • Other Applications:

    Beyond the mentioned industries, Veenox 1098 (CAS no. 23128-74-7) is employed in paints, coatings, sealants, and various other applications, ensuring superior protection against degradation. In the realm of electronics, Veenox 1098 contributes to the protection of components housed within polyamide-based enclosures.


    Packaging & Shipping Information

      • The product is available in both PW (Powder) and GR (Granule) form.
      • Packing: 25kg/Bag, 500kg/Pallet, 10MT/20’FCL.
      • Our product is EU REACH certified.


    About Vinati Organics  

    Vinati Organics takes pride in being one of the leading manufacturers of organic chemical products in India. With extensive research and rigorous testing, Vinati organics has established the effectiveness and reliability of all its chemical products. Vinati Organics maintains an unwavering commitment to excellence and boasts a global reputation for top-quality and highly effective products. As a pioneer in manufacturing innovative chemical compounds, Vinati Organics contributes significantly to diverse industries worldwide.

    With Vinati Organics as your partner, you can be assured of solutions catering to your industrial needs. Abiding by stringent industrial standards, Vinati Organics allows you to thrive in the realm of excellence.

    Note: For more detailed technical specifications, product data sheets, or any specific queries, please contact our customer support team.

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