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o-Cresol-4(or 6)-sulfonic acid

CAS 52277-26-6

Benzenesulfonic acid, 2(or 4)-hydroxy-3-methyl-

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

Molecular structure of 52277-26-6
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

CAS52277-26-6
PubChem CIDNot recorded
DTXSIDDTXSID6068729
FormulaC7H8O4S
Mol. Weight188.2 g/mol
SMILESCC1=C(O)C(=CC=C1)S(O)(=O)=O

Data Sources

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Brief citations

o-Cresol-4(or 6)-sulfonic acid (CAS 52277-26-6) https://chemicalindependence.com/chemical/52277-26-6/ EPA TSCA Inventory: CAS 52277-26-6. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory