Flag of the United StatesAmerican Chemical Independence

Carbonic acid, ammonium zinc salt (2:2:1)

CAS 40861-29-8

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

Molecular structure of 40861-29-8
2 NH₄⁺ · 1 Zn²⁺
US productionCBI
Top sourceNo public record

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.

Where It Comes From

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential
EPA-registered manufacturers (1)
Hydrite Chemical

Why It Matters

Sectors
ConstructionMetals & MiningPlastics & RubberPaints & CoatingsPaper & Printing
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 5 sectors as 2 functional roles.

  • •Surface modifier in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Ion exchange agent in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Ion exchange agent in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Ion exchange agent in Miscellaneous ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Ion exchange agent in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Ion exchange agent in ConstructionProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS40861-29-8
PubChem CID12893660
DTXSIDDTXSID90890856
FormulaC2H8N2O6Zn
Mol. Weight221.5 g/mol
SMILESC(=O)([O-])[O-].C(=O)([O-])[O-].[NH4+].[NH4+].[Zn+2]

Data Sources

← Back to Dashboard← Back to Construction

Brief citations

Carbonic acid, ammonium zinc salt (2:2:1) (CAS 40861-29-8) https://chemicalindependence.com/chemical/40861-29-8/ EPA CompTox (DSSTox): DTXSID90890856. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90890856 PubChem: 12893660. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/12893660 EPA Chemical Data Reporting: 40861-29-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 40861-29-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting