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Potassium metaphosphate

CAS 7790-53-6

Metaphosphoric acid (HPO3), potassium salt (1:1)

Used in 1 industrial sector tracked by the EPA.

Molecular structure of 7790-53-6
1 K⁺
US productionNot reported
Import value, 2024$95M
Top sourceCanada 30%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

Why supply is unknown

Production is reported production, not a complete census of factories. 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 283539 · basket

EPA reports by year
2023
US production Not published · Imports Not published

These shares come from HS customs code 283539, which covers 21 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CA 30%CanadaDE 19%GermanyMY 17%MalaysiaCN 13%ChinaIT 9%Italy
Domestic parents -- activity not disclosed (1)
Tilley Distribution Middle River

Why It Matters

Sectors
Food
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Emulsifier in Food, beverage, and tobacco product manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS7790-53-6
PubChem CIDNot recorded
DTXSIDDTXSID90872576
FormulaKO3P
Mol. Weight118.069 g/mol
SMILES[K+].[O-]P(=O)=O

Data Sources

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Brief citations

Potassium metaphosphate (CAS 7790-53-6) https://chemicalindependence.com/chemical/7790-53-6/ EPA TSCA Inventory: CAS 7790-53-6. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 7790-53-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7790-53-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283539 for CAS 7790-53-6. Reporting year: 2024. https://usatrade.census.gov/