Ammonium sulfate
Drug ingredientThis drug ingredient has classified U.S. production volumes. EPA withholds the number as confidential business information.
US ProductionCBI
Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.
Import Value$331M
Top SourceCanada 42%
The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.
Where It Comes From
Customs basis: HS 310221 · exact
Source Countries
Country of origin for US imports, from Census customs data (2023).
CA 42%CanadaBE 21%BelgiumNL 13%NetherlandsNG 8%NigeriaDE 5%Germany
- Lithuania
- Mexico
- Czech Republic
- Malaysia
- Taiwan
- Trinidad and Tobago
- China
- Dominican Republic
- India
EPA-registered manufacturers (33)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Arcelormittal S A · LU Luxembourg
Basf Se · DE Germany
Chemtrade Logistics · CA Canada
Tessenderlo Group Nv/Sa · BE Belgium
Venator Materials Plc · GB United Kingdom
Show all 33
Advanced Micronutrient Products
Arcelormittal Usa
Arcelormittal Usa, Llc.
Archer Daniels Midland
Ati Albany Operations
Avantor
Basf
Chemtrade Holdco Us
Cleveland-Cliffs
Dakota Gasification
East Penn Manufacturing
Evonik
Harcros Chemicals
Huntsman
Hydrite Chemical
Itafos Conda
J.R. Simplot
Jupiter Sulphur
Mallinckrodt
Mosaic Fertilizer
Pasadena Commodities International
Tessenderlo Kerley
Tessenderlo Kerley, Inc. - Eufaula Facility
The Andersons
Venator Materials
Vertellus
W. R. Grace & Co. - Conn.
Westinghouse
EPA-registered importers (23)
Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.
Marubeni · JP Japan
Nutrien · CA Canada
Sociedad Quimica Y Minera De Chile Sa · CL Chile
Upl · IN India
Acs Chemical
Show all 23
Agrium Us
Brenntag
Emd Holding
Gavilon Agriculture Investments
Helm Fertilizer
Icl Specialty Products North America
International Raw Materials
Kemira Chemicals
Koch Industries
Nalco- An Ecolab
Quadra Chemicals
Snf Holding
Sqm North America
Suez Treatment Solutions
Tfl Usa/Canada
Upl Na
Walter Kidde Portable Equipment
Yara North America
3 FDA-registered drug labelers
Jost Chemical Co.
JOST CHEMICAL POLAND SP Z O O
Macco Organiques, S.R.O.
Why It Matters
Sectors
FoodPaper & PrintingCore ChemicalsHealthEnergyConsumer ProductsMetals & MiningWaterTextilesAgriculture
Downstream UsesNo data available
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 10 sectors as 11 functional roles.
- •Agricultural chemicals (non-pesticidal) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Flame retardant in All Other Basic Inorganic Chemical Manufacturing (1%)Processing—incorporation into formulation, mixture, or reaction product
- •Soil amendments (fertilizers) in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (99%)Processing—incorporation into formulation, mixture, or reaction product
- •Agricultural chemicals (non-pesticidal) in Wholesale and Retail Trade (100%)Processing—repackaging
- •Intermediate in Primary Metal Manufacturing (100%)Processing as a reactant
- •Intermediate in All Other Basic Inorganic Chemical ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
- •Solids separation agents in Utilities (93%)Use—non-incorporative activities
- •Agricultural chemicals (non-pesticidal) in Agriculture, Forestry, Fishing and Hunting (100%)Processing—repackaging
- •Flocculating agent in Utilities (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Laboratory chemicals in All Other Chemical Product and Preparation ManufacturingProcessing—repackaging
- •Soil amendments (fertilizers) in Wholesale and Retail Trade (100%)Not Known or Reasonably Ascertainable
- •pH regulating agent in Textiles, apparel, and leather manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Solids separation (precipitating) agent, not otherwise specified in Oil and Gas Drilling, Extraction, and Support activities (1%)Use—non-incorporative activities
- •Solids separation (precipitating) agent, not otherwise specified in Utilities (70%)Use—non-incorporative activities
- •Intermediate in Pesticide, Fertilizer, and Other Agricultural Chemical Manufacturing (0%)Processing as a reactant
- •Soil amendments (fertilizers) in Agriculture, Forestry, Fishing and Hunting (100%)Processing—repackaging
- •Viscosity modifiers in Oil and Gas Drilling, Extraction, and Support activities (100%)Use—non-incorporative activities
- •Stabilizing agent in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
- •Intermediate in Petroleum Refineries (100%)Processing as a reactant
Chemical Identity
CAS7783-20-2
PubChem CID6097028
DTXSIDDTXSID1029704
FormulaH8N2O4S
Mol. Weight132.14 g/mol
SMILES[NH4+].[NH4+].[O-]S(=O)(=O)[O-]
Data Sources
DTXSID10297042026-04-06
https://doi.org/10.23645/epacomptox.5588566
Archive: data/sources/comptox/dsstox_identifiers.csv
60970282026-04-06
https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6097028/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON
Archive: data/sources/pubchem_properties/6097028.json
7783-20-22026-04-24
https://www.epa.gov/chemical-data-reporting
Archive: data/sources/epa_cdr/2020_cdr.csv
CAS 7783-20-22026-04-07
https://open.fda.gov/data/ndc/
Archive: data/sources/fda/ndc/ndc.json