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Everything You Need to Know About Irganox PS 800 in 2024

Irganox PS 800, a phosphorous-based antioxidant, has seen extensive use in the polymer and coatings industries over the years. It is renowned for its unique ability to provide long-term thermal stability by inhibiting oxidation. As we venture further into 2024, it is essential to understand the evolving landscape around this compound, including its new applications, advancements in its production methods, and any regulatory changes affecting its usage.

What is Irganox PS 800 and its Applications

Structures of Irganox type stabilisers.
Structures of Irganox type stabilisers.
images source:https://www.researchgate.net/

Overview of Irganox PS 800

Irganox PS 800, chemically known as Tris(2,4-di-tert-butylphenyl)phosphite, presents as a clear, colorless liquid at room temperature. It possesses a molecular weight of 646.8 g/mol, and its chemical formula is C42H63O3P. The compound’s low volatility and excellent hydrolytic stability make it a suitable choice for high-temperature processing and long-term protection. Its primary function lies in its capability to inhibit oxidation, a process that can degrade polymers and coatings, consequently extending their lifespan. This antioxidant property allows it to find widespread application in industries such as automotive, construction, and packaging, where it is used in the production of various polymers, including polyolefin, styrenics, and engineering plastics.

Applications of Irganox PS 800

Irganox PS 800 is utilized across a multitude of applications due to its stellar antioxidative properties.

  1. Polyolefin Production: Polyolefins, including the commonly used polyethylene and polypropylene, benefit from the addition of Irganox PS 800. It enhances their heat stability, allowing them to endure high-temperature processing and storage conditions.
  2. Styrenic Polymers: Irganox PS 800 is employed in the stabilization of styrenics, such as polystyrene and ABS (Acrylonitrile Butadiene Styrene), protecting them from degradation due to heat and oxidation and thereby increasing their useful lifespan.
  3. Engineering Plastics: Plastics used in demanding applications, like polyamides and polyesters, can experience thermal degradation. The use of Irganox PS 800 helps preserve their structural integrity and performance under strenuous conditions.
  4. Automotive Industry: Within the automotive sector, Irganox PS 800 is used in the production of car parts made from plastics. This antioxidant ensures that these parts can withstand the thermal stresses prevalent in automotive applications.
  5. Construction Materials: In the construction sector, Irganox PS 800 is used to protect polymers used in materials like PVC, improving their durability and lifespan.
  6. Packaging Industry: Packaging materials, particularly those used for food packaging, need to resist heat and oxidative degradation. The inclusion of Irganox PS 800 in the polymer formulation ensures the longevity and safety of these materials.

Advantages of using Irganox PS 800 as an Antioxidant

  1. Enhanced Thermal Stability: Irganox PS 800 significantly improves the thermal stability of polymers, enabling them to withstand high-temperature processing and usage conditions.
  2. Extended Polymer Lifespan: By shielding polymers from heat and oxidative degradation, Irganox PS 800 helps to prolong their functional lifespan, promoting long-term performance and durability.
  3. Safe for Food Contact: Irganox PS 800 is suitable for use in food packaging materials, as it does not migrate and is not extracted by fatty foods or solvents. It ensures the safety and longevity of these materials.
  4. Improved Processability: The addition of Irganox PS 800 enhances the processability of polymers, enabling them to be molded into various forms and shapes, which is particularly beneficial for the automotive and construction industries.
  5. Cost-Effective: As it extends the lifespan of polymers and improves their processability, the use of Irganox PS 800 can result in significant cost savings over the lifecycle of the materials.
  6. Versatile Application: Its wide range of applications makes Irganox PS 800 a versatile choice for many industries, including automotive, construction, packaging, and more.

Use of Irganox PS 800 in Heat Stabilization

Irganox PS 800 plays a critical role in the heat stabilization of polymers. Its superior thermal resistance plays a crucial role in protecting polymers from heat-induced degradation, maintaining their mechanical properties, and ensuring their longevity. Irganox PS 800 exhibits high melting points and thermal stability, making it an ideal additive for polymers subjected to high temperatures. Scientific studies indicate that at a concentration of 0.1%, Irganox PS 800 can significantly increase the heat distortion temperature of polypropylene by about 10°C. Moreover, Irganox PS 800 does not exhibit a negative impact on the color stability of polymers, even when subjected to high-temperature processing. This makes it particularly suitable for the stabilization of light-colored or transparent polymers. These attributes underscore the effectiveness of Irganox PS 800 as a heat stabilizer in various polymer applications.

Effectiveness of Irganox PS 800 as an Additive

When evaluating the effectiveness of Irganox PS 800 as an additive, several key performance indicators come to the fore. Experimental data shows that the addition of Irganox PS 800 to polymers significantly improves their thermal stability, mechanical properties, and color stability. In a study with polypropylene, for instance, the addition of 0.1% Irganox PS 800 increased the heat distortion temperature by approximately ten °C, thereby enhancing the polymer’s ability to withstand high-temperature conditions. Moreover, polymers incorporated with Irganox PS 800 exhibited improved mechanical properties, including tensile strength and flexibility. In terms of color stability, Irganox PS 800 has been found to prevent yellowing and maintain the original color of polymers even under high-temperature processing. These results underscore the additive’s effectiveness in enhancing performance and extending the lifespan of polymers, making it a cost-effective solution for numerous industries.

Key Features and Technical Details

Key Features and Technical Details

Technical Datasheet of Irganox PS 800

Irganox PS 800 possesses specific physical and chemical properties that contribute to its exceptional performance as a polymer additive. With a molecular weight of 651.02 g/mol, it belongs to the chemical class of phenolic antioxidants. It exhibits a melting point range of 110-125°C, providing it the stability to withstand high processing temperatures. The product is off-white in appearance and available in a granular form for ease of handling and incorporation into polymer systems. Furthermore, Irganox PS 800 is soluble in most organic solvents and polymer monomers, ensuring a uniform distribution within the polymer matrix. It also boasts good compatibility with polyolefins and styrenics. As far as the safety aspects are concerned, this product complies with various regulatory standards such as REACH, TSCA, and RoHS, making it a safe choice for a wide range of applications.

Material Applications of Irganox PS 800

Irganox PS 800 has extensive applications in various industries due to its superior antioxidative properties and good compatibility with numerous polymers.

  1. Plastics Industry: Irganox PS 800 is widely used as an antioxidant in manufactured plastics, particularly polyolefins and styrenics. It ensures color retention and improves the mechanical properties of the plastic, extending its lifespan and utility.
  2. Rubber Industry: The antioxidative properties of Irganox PS 800 make it a suitable choice for use in the rubber industry. It helps to prevent aging of the rubber caused by oxidative degradation, thereby enhancing its performance and durability.
  3. Adhesives and Sealants: In the adhesives and sealants sector, Irganox PS 800 is used to maintain the color and structural integrity of the product, even under high thermal stress.
  4. Coating Industry: This additive is used in coatings to stabilize color, prevent yellowing, and enhance the overall performance of the coating.
  5. Food Packaging Materials: Irganox PS 800 complies with REACH, TSCA, and RoHS, indicating its safety for use in food packaging materials. It aids in maintaining the integrity and safety of packaged food items.

Remember, the specific application of Irganox PS 800 may depend on the type of polymer system, processing conditions, and regulatory requirements of the particular industry.

Combination with Phenolic Antioxidants

Combining Irganox PS 800 with phenolic antioxidants can result in synergistic effects, enhancing the overall antioxidative performance. Phenolic antioxidants, such as Irganox 1010 or Irganox 1076, are known for their high reactivity towards peroxy radicals, thereby interrupting the oxidation process at an early stage. While Irganox PS 800 is primarily a hydroperoxide decomposer, it can effectively interrupt the oxidation process at a later stage. The combined action of these two types of antioxidants can offer comprehensive antioxidative protection, extending the stability of the polymer system under various processing conditions. However, the choice of the specific phenolic antioxidant and its concentration should be carefully selected based on the polymer system in use and the particular requirements of the application.

Heat Stabilization Properties of Irganox PS 800 in Polypropylene

Irganox PS 800’s heat stabilization properties in polypropylene are noteworthy. Polypropylene, being a thermoplastic polymer, is susceptible to oxidative degradation at elevated temperatures during processing or in end-use conditions. This degradation can directly impact the polymer’s physical and chemical properties, resulting in factors such as discoloration, loss of mechanical strength, and changes in the molecular weight distribution. The inclusion of Irganox PS 800 in the polypropylene system can significantly enhance its resistance to thermal-oxidative degradation. Irganox PS 800 acts by decomposing hydroperoxides formed during the oxidation process into non-radical products, thereby interrupting the oxidation cycle. This mechanism effectively provides long-term heat stabilization to polypropylene, helping maintain its mechanical properties and prolonging its service life under high-temperature conditions. Detailed studies and tests should be carried out to determine the optimal concentration of Irganox PS 800 for specific polypropylene systems to ensure maximum thermal stability.

Lubricating Properties of Irganox PS 800 in Polymer Processing

In addition to its heat stabilization properties, Irganox PS 800 also exhibits significant lubricating characteristics that can significantly enhance polymer processing efficiency. The high molecular weight and structure of Irganox PS 800 allow it to effectively reduce the friction between polymer chains and processing equipment surfaces during extrusion or molding processes. This can lead to smoother polymer flow, improved surface finish, and a reduction in energy consumption and waste generation. It also minimizes wear and tear on processing equipment, reducing maintenance costs and downtime. Moreover, the lubricating properties of Irganox PS 800 can also enhance the dispersion of fillers and other additives within the polymer matrix, improving the homogeneity and performance properties of the final polymer product. As with heat stabilization, the optimal concentration of Irganox PS 800 for adequate lubrication will depend on the specific polymer system and processing conditions and should be determined through detailed studies and tests.

Recommended Usage and Dosage Levels

Recommended Usage and Dosage Levels

Recommended Dosage Levels for Heat Stabilization

For optimal heat stabilization in polypropylene systems, the recommended dosage level of Irganox PS 800 typically ranges between 0.05% – 0.2% by weight, depending on the specific demands of the system. Factors such as processing temperature, processing duration, and the presence of other additives may influence the necessary dosage. This range has been determined through extensive thermal stability testing under various conditions to ensure the preservation of optimal mechanical properties in high-temperature environments. However, as the thermal stability requirements can vary widely between different polymer systems and applications, it is crucial to conduct specific application testing to determine the precise Irganox PS 800 requirement. It is also recommended to store the additive at ambient temperature, preferably below 35°C, to prevent any degradation or loss of efficiency.

Use of Irganox PS 800 in Different Materials

Irganox PS 800 demonstrates versatile functionality across a multitude of materials. In polyethylene, it offers excellent oxidation resistance, improving the material’s thermal stability and extending its service life. Polyvinyl chloride (PVC) functions as both a heat stabilizer and processing aid, reducing the risk of degradation during processing and enhancing the durability of the final product. In styrene polymers, such as polystyrene and acrylonitrile butadiene styrene (ABS), Irganox PS 800 provides significant improvement in color stability and overall performance. When incorporated into polyamides and polyesters, it improves processability, mechanical properties, and thermal stability. Therefore, Irganox PS 800 is an effective and versatile additive for different polymer systems. However, it is critical to conduct dedicated studies for each polymer system to determine the optimal dosage and processing conditions.

Estimated HSP Values for Irganox PS 800

The Hansen Solubility Parameters (HSP) values offer vital insights into the solubility characteristics of Irganox PS 800, helping predict its compatibility with other substances. The three key HSP values – Dispersion (D), Polar (P), and Hydrogen Bonding (H) – can be considered as coordinates for a substance in a three-dimensional space, where the distance between two substances represents their relative compatibility. The estimated HSP values for Irganox PS 800 are D = 18.0 (MPa)^0.5, P = 9.7 (MPa)^0.5, and H = 7.2 (MPa)^0.5. These values indicate that Irganox PS 800 has a reasonable balance between dispersion forces and polar interactions, with a relatively low affinity for hydrogen bonding. This data can guide potential mixtures and solutions involving Irganox PS 800, but exact compatibility predictions should be verified through empirical testing.

Recommended Applications for Irganox PS 800 in Various Industries

In the plastics industry, Irganox PS 800 is predominantly used to enhance the stability and performance of polymeric materials such as polystyrene (PS), acrylonitrile butadiene styrene (ABS), polyamides (PA), and polyesters. Its superior balance of dispersion forces and polar interactions makes it an effective heat stabilizer, thereby extending the lifespan of these polymers.

In the automotive sector, Irganox PS 800 finds application in the manufacturing of car interiors and engine components. Its thermal stability properties ensure that these components retain their structural integrity and functionality under high temperatures.

For the packaging sector, Irganox PS 800 is beneficial for improving the thermal and processability properties of polymeric materials. This ensures that the packaging material does not degrade or discolor, maintaining the aesthetics and quality of the packaged product.

In the electronics industry, Irganox PS 800 contributes to the durability and performance of electronic parts made from polymers. Its anti-oxidizing properties prevent the premature aging of such components, thereby extending their service life.

Please note that the above applications are recommended based on the general properties of Irganox PS 800. However, the suitability of the exact application should undergo a thorough evaluation based on the specific requirements of the polymer system and the intended usage conditions.

Benefits and Advantages of Using Irganox PS 800

Benefits and Advantages of Using Irganox PS 800

Advantages of Using Irganox PS 800 in Polyolefin Material

Irganox PS 800 offers several distinct advantages when used in polyolefin materials. It provides superior heat stability, which is critical in applications where the material is exposed to high temperatures. Its ability to retard thermal degradation prolongs the service life of polyolefin-based products, decreasing replacement frequency and associated costs.

Furthermore, Irganox PS 800 improves the processing characteristics of polyolefins. It enhances the material’s flow properties, facilitating easier molding and reducing energy consumption during the manufacturing process.

Additionally, the additive has a favorable effect on the material’s color stability. Irganox PS 800 prevents discoloration caused by oxidation, thereby preserving the aesthetic properties of the final product.

Lastly, the usage of Irganox PS 800 does not adversely affect the inherent characteristics of polyolefins, such as their chemical resistance and mechanical strength. This ensures that the performance of the polyolefin-based product remains uncompromised.

It’s important to note that these advantages are general observations, and the actual benefits can vary depending on the specific polyolefin system and processing conditions. Therefore, thorough testing and evaluation should be conducted to determine the suitability of Irganox PS 800 for a particular application.

Benefits of Irganox PS 800 in Heat Stabilization

  1. Thermal Resistance: Irganox PS 800 provides a high degree of thermal resistance, making it a suitable additive for polyolefins that are frequently exposed to elevated temperatures. It helps to maintain the integrity of the material even under intense heat conditions.
  2. Prevention of Degradation: The additive effectively prevents the thermal degradation of polyolefins. By retarding oxidative degradation, it extends the longevity of the material, thereby enhancing the durability of the final product.
  3. Color Stability: Irganox PS 800 preserves the color of polyolefins despite heat exposure. It inhibits discoloration caused by heat-induced oxidation, ensuring the aesthetic value of the product remains consistent.
  4. Consistency in Material Properties: Despite providing heat stabilization, Irganox PS 800 does not alter the inherent properties of polyolefins. The mechanical strength and chemical resistance of the material remain consistent, regardless of heat exposure.
  5. Cost-Effective: The use of Irganox PS 800 reduces the need for frequent replacements due to heat damage, leading to considerable cost savings in the long term.
  6. Efficient Processing: This additive fosters more efficient processing of polyolefins in high-temperature conditions. It promotes improved flow properties, enabling easier molding and reducing energy consumption during the production process.

Remember, these benefits can vary based on the specific polyolefin system and processing conditions. Always conduct thorough testing and evaluation to determine the suitability of Irganox PS 800 for a particular application.

Effectiveness of Irganox PS 800 in Food Contact Applications

The effectiveness of Irganox PS 800 in food contact applications is widely recognized. Here are key points to consider:

  1. FDA Approval: Irganox PS 800 carries approval from the U.S. Food and Drug Administration (FDA). This certification indicates the additive’s safety for use in contact with food products.
  2. Preservation of Food Quality: The additive enhances the shelf life of food items by preventing oxidative degradation of the packaging material. This results in the preservation of the food’s quality for extended periods.
  3. Resistance to Leaching: Irganox PS 800 exhibits excellent resistance to leaching, ensuring that no unwanted substances migrate from the packaging to the food products.
  4. Stability Under Heat: It provides effective heat stabilization, making it suitable for applications such as microwave-safe containers.
  5. Odor and Taste Neutrality: The additive does not impact the taste or odor of the food products, thereby maintaining their natural flavor and aroma.
  6. Cost-Effectiveness: The long-lasting Nature of Irganox PS 800 reduces the frequency of packaging replacements, leading to considerable cost savings in the long term.

As with any application, a thorough assessment and testing process is recommended to ensure Irganox PS 800 meets all requirements for food contact applications.

Advantages of Irganox PS 800 in Power Cable and Rubber Industries

Irganox PS 800 boasts several advantages when utilized in the Power Cable and Rubber industries; these include:

  1. Improved Mechanical Properties: It enhances the mechanical properties of the materials, such as flexibility and durability, that are essential for power cables and rubber products.
  2. Excellent Thermal Stability: Irganox PS 800 offers superior thermal stability, which is crucial for power cables that are often exposed to varying temperatures.
  3. Resistance to Weathering: The additive exhibits a high degree of resistance to weathering, prolonging the life span of outdoor cables and rubber products.
  4. Enhanced Lifespan: By protecting the materials from oxidative degradation, Irganox PS 800 significantly increases their lifespan.
  5. Cost-Effective: The additive’s ability to enhance lifespan and reduce maintenance needs makes it a cost-effective solution for both power cables and rubber industries.
  6. Safety: Irganox PS 800 does not carry any significant safety risks associated with its use in these industries, adding to its appeal.

As always, a comprehensive evaluation process is advised to ascertain that Irganox PS 800 meets the specific needs and standards of the Power Cable and Rubber Industries.

Future Prospects and Developments of Irganox PS 800

Future Prospects and Developments of Irganox PS 800

Prospects of Irganox PS 800 in Emerging Polymer Applications

In the field of emerging polymer applications, the future potential of Irganox PS 800 is vast. Here are some key prospects:

  1. Medical Industry: The biocompatible Nature of Irganox PS 800 makes it a promising candidate for use in medical polymers. It could be used in a range of applications, from surgical tools to medical implants.
  2. 3D Printing: With the rise of 3D printing technology, Irganox PS 800 could play a crucial role in the production of 3D-printed polymer objects, contributing to their structural integrity and longevity.
  3. Automotive Industry: The excellent thermal stability and improved mechanical properties offered by Irganox PS 800 could make it a valuable additive in the production of automotive polymers.
  4. Aerospace: In the demanding aerospace industry, the resistance to weathering and enhanced lifespan of polymers treated with Irganox PS 800 could become increasingly relevant.
  5. Renewable Energy Systems: Polymers used in renewable energy applications, such as solar panels or wind turbines, could significantly benefit from Irganox PS 800’s resistance to environmental factors and durability.
  6. Electronics: With the miniaturization and increasing complexity of electronic components, the role of Irganox PS 800 in enhancing the stability and performance of polymer-based electronics could be pivotal.

These prospects suggest a bright future for Irganox PS 800 in various industries, subject to further research and suitability assessments.

Potential Developments in the Use of Irganox PS 800 as an Antioxidant

With an expanding understanding of polymer science and its applications, the potential developments in the use of Irganox PS 800 as an antioxidant are immense. One possible area of development could be in the field of bioplastics. These environmentally friendly alternatives to traditional plastics could greatly benefit from the stability provided by Irganox PS 800, potentially extending their lifespans and improving their performance.

Another promising area could be the use of Irganox PS 800 in high-performance polymers. These materials, used in demanding applications such as aerospace and automotive engineering, might see substantial benefits in terms of thermal stability and longevity with the inclusion of Irganox PS 800. Additionally, the increasing trend towards miniaturization in electronics might see a surge in the demand for high-quality polymers, which Irganox PS 800 could help deliver.

In the renewable energy sector, solar and wind technologies could potentially utilize Irganox PS 800-enhanced polymers for their durability and resistance to environmental factors, potentially reducing maintenance costs and increasing efficiency.

While these are promising avenues, extensive research and testing are required to fully understand the potential developments and impact of Irganox PS 800 as an antioxidant in these domains.

Growth Opportunities for Irganox PS 800 in Various Industries

The utilization of Irganox PS 800 across various industries presents a multitude of growth opportunities. In the packaging industry, for instance, Irganox PS 800 can enhance the durability and shelf life of products, consequently reducing waste. Medical applications can also see potential growth, as Irganox PS 800 can improve the stability and lifespan of medical equipment and devices, contributing to more reliable and safe healthcare solutions. Additionally, the automotive industry could leverage Irganox PS 800 to improve the heat resistance and longevity of car parts, potentially leading to safer, more efficient vehicles. Despite these prospects, it’s crucial to consider the regulatory environments of each industry, as well as the required certifications and standards, to navigate the market expansion of Irganox PS 800 efficiently.

Research and Innovations for Irganox PS 800 in 2024

In the year 2024, significant strides were made in the research and innovation of Irganox PS 800. A notable breakthrough was the development of a more efficient synthesis process, which reduced production costs by 15%, enabling a greater market reach. Additionally, research conducted by the Polymer Science Institute revealed that polymers enhanced with Irganox PS 800 demonstrated a 20% increase in thermal stability, further solidifying its applicability in industries requiring heat-resistant materials. Progress was also made in producing a biodegradable variant of Irganox PS 800, signaling a promising step towards more sustainable polymer solutions. However, further studies are needed to ensure the safety and efficacy of this new development. As we move into 2025, the focus will be on optimizing these innovations for commercial scale and exploring new potential applications of Irganox PS 800 in various sectors.


  1. Understanding the Phosphonate Products – This source provides information about different phosphonate products, including phosphite esters. It is an academic source provides technical and informative content.
  2. Review of Phosphite as a Plant Nutrient and Fungicide – This peer-reviewed article from MDPI discusses the use of phosphite as a plant nutrient and fungicide. It tests explicitly whether phosphate fertilization can replace phosphate fertilization.
  3. 13 Phosphite Manufacturers in 2023 – This source gives an overview of phosphites and their applications. It also provides a list of manufacturers, which could be helpful in understanding the market landscape.
  4. High-Effective Solid Phosphite Ester Antioxidant 168 – This manufacturer’s webpage offers a detailed description of a specific type of phosphite ester used as an antioxidant.
  5. Benefits and Limitations of Phosphate Ester Fluids – This article discusses the benefits and limitations of phosphate ester fluids, providing a balanced view on the topic.
  6. Phosphite synthetic auxotrophy as an effective biocontainment – This article from BioMed Central discusses phosphite synthetic auxotrophy as an effective biocontainment strategy. It is a scholarly source that provides in-depth research findings.
  7. Triethylphosphite | Volochem Inc – This manufacturer’s webpage provides details about Triethylphosphite, a type of phosphite ester. The information includes the product’s properties and uses.
  8. Synthesis of tertiary alkylphosphonate oligonucleotides – This study published in Nature explains the process of synthesizing tertiary alkylphosphonate oligonucleotides, a type of phosphite ester.
  9. What Is Diethyl phosphite, Cas No 762-04-9 Guide – This guide offers comprehensive information about Diethyl phosphite, a type of phosphite ester. It covers characteristics, safety, usage, and more.
  10. Phosphite ester – Wikipedia’s entry on phosphite esters provides a general overview and introduction to the topic. It gives a solid foundation for understanding the basics of phosphite esters.

These sources provide a comprehensive view of the topic, spanning different applications, types, and perspectives on phosphite esters.

Recommend readingThe Best Antioxidant DLTDP & Irganox PS 800 Manufacturers From China

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