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Chromium(3+) 2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-nitrophenolate 1-[(5-nitro-2-oxidophenyl)diazenyl]naphthalen-2-olate--3-[(2-ethylhexyl)oxy]propan-1-amine (1/1/1/1)

CAS 72812-35-2

Chromate(1-), bis[1-[2-[2-(hydroxy-κO)-5-nitrophenyl]diazenyl-κN1]-2-naphthalenolato(2-)-κO]-, hydrogen, compd. with 3-[(2-ethylhexyl)oxy]-1-propanamine (1:1:1)

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

Molecular structure of 72812-35-2
1 Cr³⁺
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

CAS72812-35-2
PubChem CIDNot recorded
DTXSIDDTXSID50993610
FormulaC43H44CrN7O9
Mol. Weight854.861 g/mol
SMILES[Cr+3].CCCCC(CC)COCCCN.OC1=C(N=NC2=C([O-])C=CC(=C2)N(=O)=O)C2=CC=CC=C2C=C1.[O-]C1=C(C=C(C=C1)N(=O)=O)N=NC1=C([O-])C=CC2=CC=CC=C12

Data Sources

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Brief citations

Chromium(3+) 2-[(2-hydroxynaphthalen-1-yl)diazenyl]-4-nitrophenolate 1-[(5-nitro-2-oxidophenyl)diazenyl]naphthalen-2-olate--3-[(2-ethylhexyl)oxy]propan-1-amine (1/1/1/1) (CAS 72812-35-2) https://chemicalindependence.com/chemical/72812-35-2/ EPA TSCA Inventory: CAS 72812-35-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory