7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((6-sulpho-2-naphthyl)azo)naphthalene-2-sulphonic) acid, compound with 2,2',2''-nitrilotriethanol (1:4)

CAS 36596-36-8

U.S. production volumes are classified as confidential business information.

US productionCBI

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. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year

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

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 article

Chemical Identity

CAS36596-36-8

PubChem CID169791

DTXSIDDTXSID3067990

FormulaC65H88N10O27S4

Mol. Weight1569.7 g/mol

SMILESC1=CC2=C(C(=C(C=C2C=C1NC(=O)NC3=CC4=CC(=C(C(=C4C=C3)O)N=NC5=CC6=C(C=C5)C=C(C=C6)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)N=NC7=CC8=C(C=C7)C=C(C=C8)S(=O)(=O)O)O.C(CO)N(CCO)CCO.C(CO)N(CCO)CCO.C(CO)N(CCO)CCO.C(CO)N(CCO)CCO

Data Sources

EPA CompTox (DSSTox) · DTXSID3067990Retrieved 2026-04-06
PubChem · compound 169791Retrieved 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

7,7'-(Carbonyldiimino)bis(4-hydroxy-3-((6-sulpho-2-naphthyl)azo)naphthalene-2-sulphonic) acid, compound with 2,2',2''-nitrilotriethanol (1:4) (CAS 36596-36-8) https://chemicalindependence.com/chemical/36596-36-8/ EPA CompTox (DSSTox): DTXSID3067990. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3067990 PubChem: 169791. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/169791 EPA Chemical Data Reporting: 36596-36-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 36596-36-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting