Date published: 2026-4-27

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2,2′-Thiodiethanethiol (CAS 3570-55-6)

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Alternate Names:
Bis(2-mercaptoethyl) sulfide; 2-Mercaptoethyl sulfide
CAS Number:
3570-55-6
Molecular Weight:
154.32
Molecular Formula:
C4H10S3
For Research Use Only. Not Intended for Diagnostic or Therapeutic Use.
* Refer to Certificate of Analysis for lot specific data.

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2,2′-Thiodiethanethiol has garnered significant attention in the scientific community due to its wide-ranging applications. This sulfur-containing compound stands out as a colorless, odorless, and water-soluble substance. Its versatility is evident through its use in various fields, including pharmaceuticals, food science, and biotechnology. Among its many advantageous properties are its effectiveness as an antioxidant, antifungal, and antimicrobial agent. Additionally, 2,2′-Thiodiethanethiol has proven valuable as a solubilizing agent, surfactant, and corrosion inhibitor. This compound has played a role in numerous scientific research applications. For instance, it has been employed in synthesizing various compounds like thiadiazoles, thiadiazolines, and thiadiazolines. Moreover, 2,2′-Thiodiethanethiol has served as a catalyst in polymer synthesis, a corrosion inhibitor, and a surfactant. In the production of pharmaceuticals, it has found use as a stabilizing agent, while in food science, it serves as an antioxidant. The mechanism behind 2,2′-Thiodiethanethiol′s effectiveness as an antioxidant involves scavenging reactive oxygen species. Its antifungal and antimicrobial properties stem from its ability to inhibit the growth of fungi and bacteria. Furthermore, as a solubilizing agent, it enhances the solubility of various compounds in water.

Ordering Information

Product NameCatalog #UNITPriceQtyFAVORITES

2,2′-Thiodiethanethiol, 10 g

sc-238256
10 g
$103.00