Diphosphoric acid, ammonium salt (1:2)
CAS 13597-86-9
U.S. production volumes are classified as confidential business information.
At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.
Why supply is unknownProduction 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 283539 · basket
- 2023
- US production Confidential · Imports Confidential
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.
- Spain
- Belgium
- Japan
- Poland
- Taiwan
- Switzerland
- South Korea
- Singapore
- Netherlands
- Denmark
- United Kingdom
- Slovakia
Why It Matters
Industrial Uses
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical ManufacturingNot Known or Reasonably Ascertainable
Chemical Identity
Data Sources
- EPA TSCA InventoryRetrieved 2026-04-29
- 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
Brief citations
Diphosphoric acid, ammonium salt (1:2) (CAS 13597-86-9) https://chemicalindependence.com/chemical/13597-86-9/ EPA TSCA Inventory: CAS 13597-86-9. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 13597-86-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13597-86-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283539 for CAS 13597-86-9. Reporting year: 2024. https://usatrade.census.gov/