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Cuprate(4-), [μ-[[2,2'-(1,2-ethenediyl)bis[5-[2-[5-(hydroxy-κO)-4-[2-[2-(hydroxy-κO)-5-sulfophenyl]diazenyl-κN1]-2-methoxyphenyl]oxidodiazenyl]benzenesulfonato]](8-)]]di-, sodium (1:4)

CAS 70304-40-4

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

Molecular structure of 70304-40-4
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

CAS70304-40-4
PubChem CIDNot recorded
DTXSIDDTXSID301015114
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

Cuprate(4-), [μ-[[2,2'-(1,2-ethenediyl)bis[5-[2-[5-(hydroxy-κO)-4-[2-[2-(hydroxy-κO)-5-sulfophenyl]diazenyl-κN1]-2-methoxyphenyl]oxidodiazenyl]benzenesulfonato]](8-)]]di-, sodium (1:4) (CAS 70304-40-4) https://chemicalindependence.com/chemical/70304-40-4/ EPA TSCA Inventory: CAS 70304-40-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory