Silver oxide (Ag2O)

CAS 20667-12-3

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.

Import value, 2024$3M

Top sourceCroatia 58%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 284329 · basket

EPA reports by year

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

These shares come from HS customs code 284329, which covers 28 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

HR 58%CroatiaGB 20%United KingdomJP 7%JapanES 6%SpainIN 3%India

North Macedonia
Taiwan
Malaysia
Saudi Arabia
Mexico
Czech Republic

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.

Ames Goldsmith

Why It Matters

Sectors

EnergyCore 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

Used in 3 sectors as 1 functional role.

•Catalyst in Petroleum Refineries (100%)Processing—incorporation into formulation, mixture, or reaction product
•Catalyst in All Other Basic Organic Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Catalyst in All other Petroleum and Coal Products Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS20667-12-3

PubChem CIDNot recorded

DTXSIDDTXSID40893897

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID40893897Retrieved 2026-04-06
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

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Brief citations

Silver oxide (Ag2O) (CAS 20667-12-3) https://chemicalindependence.com/chemical/20667-12-3/ EPA CompTox (DSSTox): DTXSID40893897. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID40893897 EPA Chemical Data Reporting: 20667-12-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 20667-12-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 284329 for CAS 20667-12-3. Reporting year: 2024. https://usatrade.census.gov/