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2-Hydroxypropanoic anhydride

CAS 97-73-4

Propanoic acid, 2-hydroxy-, 1,1'-anhydride

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

Molecular structure of 97-73-4
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

CAS97-73-4
PubChem CIDNot recorded
DTXSIDDTXSID30914227
FormulaC6H10O5
Mol. Weight162.141 g/mol
SMILESCC(O)C(=O)OC(=O)C(C)O

Data Sources

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Brief citations

2-Hydroxypropanoic anhydride (CAS 97-73-4) https://chemicalindependence.com/chemical/97-73-4/ EPA TSCA Inventory: CAS 97-73-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory