Strontium oxide (SrO)

Drug ingredient

CAS 1314-11-0

This drug ingredient has classified U.S. production volumes. EPA withholds the number 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$5M

Top sourceChina 96%

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

Where It Comes From

Customs basis: HS 281640 · narrow

EPA reports by year

2019: US production Confidential · Imports Confidential

These shares come from HS customs code 281640, which covers 5 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).

CN 96%ChinaIT 2%ItalyTW 1%Taiwan

Norway
Japan
India
Turkey
South Korea

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.

Ledvance

Why It Matters

Sectors

HealthElectronics

Downstream Uses

Appears in 1 drug and cosmetic product listings (FDA).

•Strontium Oxydatum

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

•Photosensitive chemicals in Electrical Equipment, Appliance, and Component Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1314-11-0

PubChem CIDNot recorded

DTXSIDDTXSID00893853

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID00893853Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Strontium oxide (SrO) (CAS 1314-11-0) https://chemicalindependence.com/chemical/1314-11-0/ EPA CompTox (DSSTox): DTXSID00893853. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID00893853 EPA Chemical Data Reporting: 1314-11-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1314-11-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 281640 for CAS 1314-11-0. Reporting year: 2024. https://usatrade.census.gov/