Date published: 2025-10-2

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Thiodipropioic Acid Distearyl Ester (CAS 693-36-7)

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CAS Number:
693-36-7
Purity:
≥90%
Molecular Weight:
683.2
Molecular Formula:
C42H82O4S
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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Thiodipropionic Acid Distearyl Ester, often abbreviated as Distearyl Thiodipropionate (DSTDP), is a common antioxidant used in the stabilization of polymers, especially in combination with phenolic antioxidants. It works by trapping radicals formed within the polymer matrix during processing or exposure to UV light. This effectively prolongs the lifespan of the polymer, preventing degradation due to oxidation. DSTDP is used in polyolefins, elastomers, and other polymers due to its efficient and non-staining properties.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

Thiodipropioic Acid Distearyl Ester, 100 g

sc-296537
100 g
$153.00

Thiodipropioic Acid Distearyl Ester, 500 g

sc-296537A
500 g
$306.00