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Antioxidant DSTDP

Formula C42H82O4S
CAS No. 693-36-7
EC No. 211-750-5
Molecular Weight 683.17
3,3-Thiodipropionic acid di-n-octadecyl ester; Distearyl 3,3-thiodipropionate; Antioxidant DSTDP; Distearyl thiodipropionate; Antioxidant-STDP; 3,3'-Thiodipropionic acid dioctadecyl ester;


Antioxidant DSTDP, or Distearyl Thiodipropionate, is a chemical compound usually used as an antioxidant and stabilizer. Belonging to the thioester class, it’s extensively employed in diverse industries to inhibit the oxidative degradation of materials such as polymers, plastics, and rubbers. DSTDP is used as antioxidant for PP, PE, PVC, high impact polystyrene, ABS resin, synthetic rubber and grease.


 Widely applied inside the polymer, plastic, and rubber industries, this compound efficaciously safeguards substances from oxidative degradation. By disrupting the oxidation approaches that can compromise structural integrity, Antioxidant DSTDP extends the shelf existence of polymers, plastics, and rubbers, ensuring prolonged sturdiness and overall performance. Its applications are, in particular, beneficial in environments where protection in opposition to warmth and oxygen-brought-about degradation is important. 


UniVOOK Chemical introduces Antioxidant DSTDP, a fairly powerful antioxidant and stabilizer designed to elevate the resilience of substances in diverse business applications. Choose UniVOOK Chemical’s Antioxidant DSTDP for a robust and effective solution that enhances the resilience of industrial material.


Features and Advantages of Antioxidant DSTDP


  • Preservation of Structural Integrity: The stabilizing homes of Antioxidant help keep the structural integrity of substances, promoting sturdiness and decreasing the danger of premature failure.
  • Versatile Application: Suitable for an extensive range of industries, including polymer, plastic, and rubber sectors, making it a versatile and adaptable solution for oxidative stabilization.
  • Effective Heat Protection: Antioxidant is especially effective in eventualities in which substances are exposed to accelerated temperatures, providing reliable heat stability and protection against thermal degradation.
  • Consistent Performance: UniVOOK Chemical’s commitment to great guarantees that antioxidant offers steady and dependable overall performance, meeting the high requirements of various industries.
  • Cost-Efficient: By preventing oxidative degradation, this antioxidant contributes to value savings by minimizing the need for frequent replacements and upkeep of substances uncovered to harsh environmental conditions.



Discover more antioxidants for your plastic & rubber industry: Antioxidant CPL

Health & Safety

For more details and safety recommendations regarding the use of the product, please consult our Material Safety Data Sheet (MSDS) of Antioxidant DSTDP , or contact with our product manager.


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