Ammonium aluminum sulfate

CAS 7784-25-0

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

Molecular structure of 7784-25-0
1 Al³⁺ · 1 NH₄⁺
US productionCBI
Import value, 2024$7M
Top sourceMexico 84%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 283330 · basket

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential

These shares come from HS customs code 283330, which covers 7 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
MX 84%MexicoIT 7%ItalyIN 4%IndiaDE 4%GermanyES 1%Spain
EPA-registered manufacturers (1)
Holland

Why It Matters

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

Industrial Uses

  • •Tanning agents not otherwise specified in Textiles, apparel, and leather manufacturing (50%)Processing as a reactant

Chemical Identity

CAS7784-25-0
PubChem CID3032540
DTXSIDDTXSID7051428
FormulaAlH4NO8S2
Mol. Weight237.15 g/mol
SMILES[NH4+].[O-]S(=O)(=O)[O-].[O-]S(=O)(=O)[O-].[Al+3]

Data Sources

Brief citations

Ammonium aluminum sulfate (CAS 7784-25-0) https://chemicalindependence.com/chemical/7784-25-0/ EPA CompTox (DSSTox): DTXSID7051428. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7051428 PubChem: 3032540. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/3032540 EPA Chemical Data Reporting: 7784-25-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 7784-25-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 283330 for CAS 7784-25-0. Reporting year: 2024. https://usatrade.census.gov/