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Ethyl hydrogen sulfate

CAS 540-82-9

Sulfuric acid, monoethyl ester

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

Molecular structure of 540-82-9
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

CAS540-82-9
PubChem CIDNot recorded
DTXSIDDTXSID10862151
FormulaC2H6O4S
Mol. Weight126.13 g/mol
SMILESCCOS(O)(=O)=O

Data Sources

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Brief citations

Ethyl hydrogen sulfate (CAS 540-82-9) https://chemicalindependence.com/chemical/540-82-9/ EPA TSCA Inventory: CAS 540-82-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory