Phosphoric acid, strontium salt (1:1)

CAS 13450-99-2

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

Molecular structure of 13450-99-2 — 1 Sr²⁺

US productionCBI

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

Import value, 2024$21M

Import volumeZero

Top sourceGermany 29%

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 283529 · basket

EPA reports by year

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

These shares come from HS customs code 283529, which covers 24 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).

DE 29%GermanyIT 22%ItalyCN 20%ChinaIN 7%IndiaCA 6%Canada

Vietnam
Austria
Ecuador
Taiwan
Brazil
Turkey
Netherlands
South Korea
Ireland
Mexico

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.

Icl Specialty Products North America

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.

Metals And Additives

Why It Matters

Sectors

Paints & CoatingsPaper & PrintingCore 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.

•Corrosion inhibitor in All Other Basic Organic Chemical Manufacturing (4%)Processing—incorporation into formulation, mixture, or reaction product
•Corrosion inhibitor in Paint and Coating Manufacturing (47%)Processing—incorporation into article
•Corrosion inhibitor in Printing and Related Support Activities (4%)Use—non-incorporative activities

Chemical Identity

CAS13450-99-2

PubChem CID166809

DTXSIDDTXSID60884606

FormulaO4PSr-

Mol. Weight182.59 g/mol

SMILES[O-]P(=O)([O-])[O-].[Sr+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID60884606Retrieved 2026-04-06
PubChem · compound 166809Retrieved 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

Phosphoric acid, strontium salt (1:1) (CAS 13450-99-2) https://chemicalindependence.com/chemical/13450-99-2/ EPA CompTox (DSSTox): DTXSID60884606. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60884606 PubChem: 166809. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/166809 EPA Chemical Data Reporting: 13450-99-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13450-99-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283529 for CAS 13450-99-2. Reporting year: 2024. https://usatrade.census.gov/