2,2-Bis(methylthio)propane

CAS 6156-18-9

U.S. production volumes are classified as confidential business information.

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2019 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2019.

Where It Comes From

EPA reports by year

2019: US production Confidential · Imports Confidential

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Arkema

Why It Matters

Sectors

Core Chemicals

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

•Catalyst in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS6156-18-9

PubChem CID525428

DTXSIDDTXSID10977138

FormulaC5H12S2

Mol. Weight136.3 g/mol

SMILESCC(C)(SC)SC

Data Sources

EPA CompTox (DSSTox) · DTXSID10977138Retrieved 2026-04-06
PubChem · compound 525428Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

2,2-Bis(methylthio)propane (CAS 6156-18-9) https://chemicalindependence.com/chemical/6156-18-9/ EPA CompTox (DSSTox): DTXSID10977138. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID10977138 PubChem: 525428. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/525428 EPA Chemical Data Reporting: 6156-18-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 6156-18-9. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting