Cobalt sulfide

CAS 12653-56-4

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 2023 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: 2023.

Where It Comes From

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

EPA-registered manufacturers (1)

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

Ecovyst

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Valero Energy

Why It Matters

Sectors

EnergyMetals & Mining

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

Used in 2 sectors as 2 functional roles.

•Catalyst in Petroleum Refineries (100%)Use—non-incorporative activities
•Intermediate in Other (100%)Processing as a reactant

Chemical Identity

CAS12653-56-4

PubChem CID14832

DTXSIDDTXSID301015176

FormulaCoS

Mol. Weight91 g/mol

SMILESS=[Co]

Data Sources

EPA CompTox (DSSTox) · DTXSID301015176Retrieved 2026-04-06
PubChem · compound 14832Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Cobalt sulfide (CAS 12653-56-4) https://chemicalindependence.com/chemical/12653-56-4/ EPA CompTox (DSSTox): DTXSID301015176. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID301015176 PubChem: 14832. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/14832 EPA Chemical Data Reporting: 12653-56-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 12653-56-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting