1,5-Naphthalenedisulfonic acid, 3-amino-, sodium salt (1:?)

CAS 52085-24-2

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

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

EPA-registered importers (2)

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

Archroma Management Gmbh · CH Switzerland

Archroma U.S

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

Vendor Pricing

$11.40/gAaron Chemicals LLC

CountryHong Kong

Pack$285.00 / 25 g

Purity95%

Vendors6 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

5 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$12.04	25 g	95%
Combi-Blocks, Inc.	United States	$14.64	25 g	95%
A2B Chem LLC	United States	$15.68	25 g	95%
AA BLOCKS	United States	$16.56	25 g	95%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS52085-24-2

PubChem CIDNot recorded

DTXSIDDTXSID901022319

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA TSCA InventoryRetrieved 2026-04-29
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

1,5-Naphthalenedisulfonic acid, 3-amino-, sodium salt (1:?) (CAS 52085-24-2) https://chemicalindependence.com/chemical/52085-24-2/ EPA TSCA Inventory: CAS 52085-24-2. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 52085-24-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 52085-24-2. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting