Cuprate(3-), [3-[2-[5-(hydroxy-κO)-4-[2-[1-(hydroxy-κO)-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl-κN1]-2-methylphenyl]diazenyl]-1,5-naphthalenedisulfonato(5-)]-, potassium (1:3)

CAS 118716-59-9

Used in 1 industrial sector tracked by the EPA.

Molecular structure of 118716-59-9 — 3 K⁺ · 1 Cu²⁺

US production3.7K lb

Import volumeZero

Import dependency0%

Top sourceNo public record

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 3.7K lb · Imports Zero
2019: US production 110.0K lb · Imports Zero

EPA-registered manufacturers (1)

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

Kemira Water Solutions

Why It Matters

Sectors

Paper & 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

•Dye in Paper Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS118716-59-9

PubChem CID170841358

DTXSIDDTXSID201014725

FormulaC33H20CuK3N5O11S3

Mol. Weight939.6 g/mol

SMILESCC1=CC(=C(C=C1N=NC2=C(C=C3C=C(C=CC3=C2[O-])NC4=CC=CC=C4)S(=O)(=O)[O-])[O-])N=NC5=CC6=C(C=CC=C6S(=O)(=O)[O-])C(=C5)S(=O)(=O)[O-].[K+].[K+].[K+].[Cu+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID201014725Retrieved 2026-04-06
PubChem · compound 170841358Retrieved 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

Cuprate(3-), [3-[2-[5-(hydroxy-κO)-4-[2-[1-(hydroxy-κO)-6-(phenylamino)-3-sulfo-2-naphthalenyl]diazenyl-κN1]-2-methylphenyl]diazenyl]-1,5-naphthalenedisulfonato(5-)]-, potassium (1:3) (CAS 118716-59-9) https://chemicalindependence.com/chemical/118716-59-9/ EPA CompTox (DSSTox): DTXSID201014725. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID201014725 PubChem: 170841358. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/170841358 EPA Chemical Data Reporting: 118716-59-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 118716-59-9. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting