2-Naphthalenesulfonic acid, 3,3'-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)-2,1-diazenediyl]]bis[6-amino-4-hydroxy-, compd. with 2,2',2''-nitrilotris[ethanol] (1:4)

CAS 75701-34-7

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 160.0K 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

TextilesPaper & 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 Paper Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Dye in Synthetic Dye and Pigment Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS75701-34-7

PubChem CID138395815

DTXSIDDTXSID90888495

FormulaC58H86N10O26S4

Mol. Weight1467.6 g/mol

SMILESC1=CC(=CC2=C(C(=C(C=C21)S(=O)(=O)O)N=NC3=CC(=C(C=C3)C=CC4=C(C=C(C=C4)N=NC5=C(C=C6C=CC(=CC6=C5O)N)S(=O)(=O)O)S(=O)(=O)O)S(=O)(=O)O)O)N.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) · DTXSID90888495Retrieved 2026-04-06
PubChem · compound 138395815Retrieved 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

2-Naphthalenesulfonic acid, 3,3'-[1,2-ethenediylbis[(3-sulfo-4,1-phenylene)-2,1-diazenediyl]]bis[6-amino-4-hydroxy-, compd. with 2,2',2''-nitrilotris[ethanol] (1:4) (CAS 75701-34-7) https://chemicalindependence.com/chemical/75701-34-7/ EPA CompTox (DSSTox): DTXSID90888495. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID90888495 PubChem: 138395815. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/138395815 EPA Chemical Data Reporting: 75701-34-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 75701-34-7. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting