Butanedioic acid, 2-sulfo-, ammonium salt (1:1)

CAS 64051-32-7

EPA and Census publish no US supply data for this chemical.

Molecular structure of 64051-32-7
1 NH₄⁺
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS64051-32-7
PubChem CIDNot recorded
DTXSIDDTXSID20886666
FormulaC4H9NO7S
Mol. Weight215.18 g/mol
SMILES[NH4+].OC(=O)CC(C([O-])=O)S(O)(=O)=O

Data Sources

Brief citations

Butanedioic acid, 2-sulfo-, ammonium salt (1:1) (CAS 64051-32-7) https://chemicalindependence.com/chemical/64051-32-7/ EPA TSCA Inventory: CAS 64051-32-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory