Speciality Chemicals

Antioxidant PDOP

  • CAS No.3164-60-1
  • GradeIndustrial / Pharmaceutical
  • Availability● In Stock

Antioxidant PDOP is a high-performance alkyl-aryl phosphite ester designed for superior hydroperoxide decomposition in polymers.

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Product Technical Details

Product Overview

Antioxidant PDOP, chemically known as Bis(2-ethylhexyl) phenyl phosphite, represents a class of high-efficiency alkyl-aryl phosphite ester antioxidants designed for advanced polymer stabilization. With the CAS registry number 3164-60-1, this specialized chemical additive serves as a critical component in maintaining the structural integrity and longevity of various synthetic materials. Our manufacturing process ensures high purity levels, making it an ideal choice for demanding industrial applications where thermal stability and color retention are paramount.

This product functions primarily as a secondary antioxidant, offering exceptional capability in decomposing hydroperoxides formed during polymer processing and usage. By effectively neutralizing these unstable intermediates, PDOP prevents chain degradation and extends the service life of the final product. It is particularly valued for its high phosphorus content, which contributes to its robust performance profile compared to standard phosphite antioxidants available in the market.

Key Performance Features

  • Superior hydroperoxide decomposition ability ensures enhanced thermal stability during processing.
  • High phosphorus content provides efficient protection against oxidative degradation.
  • Excellent synergistic effect when combined with hindered phenolic antioxidants and UV absorbers.
  • Low volatility and good compatibility with a wide range of polymer matrices.
  • Helps maintain initial color and prevents yellowing in finished goods.

Technical Specifications

Quality control is central to our production methodology. Each batch undergoes rigorous testing to ensure compliance with international standards. The following table outlines the key physical and chemical characteristics of our Antioxidant PDOP:

Test ParameterUnitSpecification
Appearance-Colorless Liquid
Refractive Index-1.4750-1.4820
Specific Gravityg/cm30.945-0.995
ColorPt-co50 MAX
Acid ValueMgNaOH/g0.10 MAX

Industrial Applications

Due to its versatile chemical nature, Antioxidant PDOP is widely adopted across multiple sectors within the materials science industry. It is extensively utilized as a secondary antioxidant in many polymers, including Polyvinyl Chloride (PVC) and Polyurethane (PU). In PVC film production, it helps maintain clarity and flexibility. In polyurethane films and adhesives, it ensures consistent bonding strength and durability over time.

Furthermore, this additive is compatible with rubber and latex formulations, providing essential protection against oxidative stress during vulcanization and aging. It is also suitable for use in rosin and unsaturated resins, as well as PUR coatings, where it enhances the weatherability and mechanical properties of the coating layer. Manufacturers seeking to optimize their formulations often use PDOP as a key ingredient to achieve performance benchmarks in stability and aesthetics.

Storage and Handling

To preserve the chemical efficacy of Antioxidant PDOP, proper storage protocols must be followed. Containers should be kept tightly closed to prevent moisture absorption and contamination. The product should be stored in a cool, dry place away from direct sunlight and heat sources. We offer packaging in 200 KG drums to facilitate efficient logistics and bulk handling for industrial clients. Our company stands as a professional supplier of functional material additives, committed to delivering consistent quality and reliable supply chain solutions globally.