Ethanethiol, 2,2'-thiobis-
CAS 3570-55-6
EPA’s 2023 records show zero U.S. production of this chemical.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction is reported production, not a complete census of factories. Production reporting year: 2023. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.
Where It Comes From
Customs basis: HS 293090 · basket
- 2023
- US production Zero · Imports Confidential
These shares come from HS customs code 293090, which covers 418 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.
- Israel
- Croatia
- Ukraine
- Slovakia
- United Arab Emirates
- Ireland
- Poland
- Lithuania
- Brazil
- Singapore
- Australia
- Armenia
- Hong Kong
- Vietnam
- Czech Republic
- Hungary
- Greece
- Russia
Why It Matters
Industrial Uses
- •Monomers in Adhesive Manufacturing (100%)Processing as a reactant
Vendor Pricing
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
10 more vendors
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Angene Chemical | China → Hong Kong | $3.18 | 100 g | 98% |
| A2B Chem LLC | United States | $3.39 | 250 g | 97% |
| ALFA AESAR | Germany | $3.96 | 250 g | 90% |
| AA BLOCKS | United States | $4.44 | 250 g | 97% |
| AK Scientific, Inc. | United States | $7.15 | 100 g | 97% |
| Sigma-Aldrich (Rush Stock) | Germany | $7.70 | 50 g | 90% |
| Sigma-Aldrich | Germany | $7.70 | 50 g | 90% |
| Angene International Limited | United States | $11.32 | 100 g | 97% |
| Labotest KG | Germany | $453.00 | 1000 mg | 90% |
| Angene | China → Hong Kong | $4266.67 | 30 mg | 98% |
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
- US Census international tradeReporting year: 2024 · Retrieved 2026-10-04
Brief citations
Ethanethiol, 2,2'-thiobis- (CAS 3570-55-6) https://chemicalindependence.com/chemical/3570-55-6/ EPA TSCA Inventory: CAS 3570-55-6. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 3570-55-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3570-55-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293090 for CAS 3570-55-6. Reporting year: 2024. https://usatrade.census.gov/