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1-Naphthalenediazonium, 2-hydroxy-4-sulfo-

CAS 20541-54-2

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

Molecular structure of 20541-54-2
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

CAS20541-54-2
PubChem CIDNot recorded
DTXSIDDTXSID50862458
FormulaC10H7N2O4S
Mol. Weight251.24 g/mol
SMILESOC1=C([N+]#N)C2=CC=CC=C2C(=C1)S(O)(=O)=O

Data Sources

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Brief citations

1-Naphthalenediazonium, 2-hydroxy-4-sulfo- (CAS 20541-54-2) https://chemicalindependence.com/chemical/20541-54-2/ EPA TSCA Inventory: CAS 20541-54-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory