Dipotassium phosphite

CAS 13492-26-7

Used in 2 industrial sectors tracked by the EPA.

Molecular structure of 13492-26-7 — 2 K⁺

US production412.5K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

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 283510 · basket

EPA reports by year

2023: US production 412.5K lb · Imports Zero
2019: US production 281.6K lb · Imports Zero

HS customs code 283510 covers 15 tracked chemicals in total. US Census does not break out this chemical's share, so the country-of-origin mix is not available. EPA CDR reports import dependency at the chemical level separately, shown above.

EPA-registered manufacturers (3)

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

Nutrien · CA Canada

Nutien Us Top

Wilbur-Ellis Holdings Ii

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.

Italmatch Usa

Why It Matters

Sectors

AgricultureEnergy

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.

•Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Anti-scaling agent in Oil and Gas Drilling, Extraction, and Support activities (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS13492-26-7

PubChem CID101823767

DTXSIDDTXSID9035961

FormulaHK2O3P

Mol. Weight158.177 g/mol

SMILES[O-][PH+]([O-])[O-].[K+].[K+]

Data Sources

EPA CompTox (DSSTox) · DTXSID9035961Retrieved 2026-04-06
PubChem · compound 101823767Retrieved 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

Dipotassium phosphite (CAS 13492-26-7) https://chemicalindependence.com/chemical/13492-26-7/ EPA CompTox (DSSTox): DTXSID9035961. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9035961 PubChem: 101823767. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/101823767 EPA Chemical Data Reporting: 13492-26-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13492-26-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting