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Dipotassium dihydrogen (1-hydroxyethylidene)bisphosphonate

CAS 21089-06-5

Used in 5 industrial sectors tracked by the EPA.

Molecular structure of 21089-06-5
2 K⁺
US production492.8K lb
Import value, 2024$598M
Import volume24.9K lb
Import dependency5%
Top sourceChina 89%

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 293149 · basket

EPA reports by year
2023
US production 492.8K lb · Imports 24.9K lb
2019
US production 194.0K lb · Imports 18.8K lb

These shares come from HS customs code 293149, which covers 114 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
CN 89%ChinaIN 4%IndiaCA 3%CanadaDE 2%GermanyAR 1%Argentina
EPA-registered manufacturers (2)
Hawkins
Henkel
EPA-registered importers (2)
Italmatch Chemicals Spa · IT Italy
Italmatch Usa

Why It Matters

Sectors
AgricultureEnergyElectronicsTransportationMetals & Mining
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 7 sectors as 3 functional roles.

  • •Cleaning agent in Computer and Electronic Product Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Electrical Equipment, Appliance, and Component Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Transportation Equipment Manufacturing (37%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Machinery Manufacturing (3%)Processing—incorporation into formulation, mixture, or reaction product
  • •Cleaning agent in Fabricated Metal Product Manufacturing (57%)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
  • •Chelating agent in Agriculture, Forestry, Fishing and Hunting (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS21089-06-5
PubChem CID88790
DTXSIDDTXSID7029746
FormulaC2H6K2O7P2
Mol. Weight282.21 g/mol
SMILESCC(O)(P(=O)(O)[O-])P(=O)(O)[O-].[K+].[K+]

Data Sources

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Brief citations

Dipotassium dihydrogen (1-hydroxyethylidene)bisphosphonate (CAS 21089-06-5) https://chemicalindependence.com/chemical/21089-06-5/ EPA CompTox (DSSTox): DTXSID7029746. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7029746 PubChem: 88790. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/88790 EPA Chemical Data Reporting: 21089-06-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 21089-06-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 293149 for CAS 21089-06-5. Reporting year: 2024. https://usatrade.census.gov/