1,3-Naphthalenedisulfonic acid, 7-[2-[4-[[4,6-bis[(3-sulfopropyl)thio]-1,3,5-triazin-2-yl]amino]-3-methoxyphenyl]diazenyl]-, sodium salt (1:4)

CAS 214559-61-2

EPA’s 2023 records show zero U.S. production of this chemical.

Molecular structure of 214559-61-2 — 4 Na⁺

US productionZero

Import volumeCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. Production reporting year: 2023.

Where It Comes From

EPA reports by year

2023: US production Zero · Imports Confidential
2019: US production Confidential · Imports Confidential

EPA-registered importers (1)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Why It Matters

Sectors

Consumer ProductsPaper & Printing

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

•Dye in Wholesale and Retail Trade (100%)Use—non-incorporative activities
•Dye in Printing Ink Manufacturing (100%)Use—non-incorporative activities

Chemical Identity

CAS214559-61-2

PubChem CID73555411

DTXSIDDTXSID20890480

FormulaC26H24N6Na4O13S6

Mol. Weight912.9 g/mol

SMILESCOC1=C(C=CC(=C1)N=NC2=CC3=C(C=C(C=C3C=C2)S(=O)(=O)[O-])S(=O)(=O)[O-])NC4=NC(=NC(=N4)SCCCS(=O)(=O)[O-])SCCCS(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID20890480Retrieved 2026-04-06
PubChem · compound 73555411Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

1,3-Naphthalenedisulfonic acid, 7-[2-[4-[[4,6-bis[(3-sulfopropyl)thio]-1,3,5-triazin-2-yl]amino]-3-methoxyphenyl]diazenyl]-, sodium salt (1:4) (CAS 214559-61-2) https://chemicalindependence.com/chemical/214559-61-2/ EPA CompTox (DSSTox): DTXSID20890480. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID20890480 PubChem: 73555411. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/73555411 EPA Chemical Data Reporting: 214559-61-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 214559-61-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting