4,4'-Bis(2-morpholino-4-anilino-s-triazinyl-6-amino)stilbene-2,2'-disulfonic acid disodium salt

CAS 16090-02-1

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

Molecular structure of 16090-02-1 — 2 Na⁺

US productionCBI

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

Import value, 2024$44M

Top sourceIndia 28%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 320420 · basket

EPA reports by year

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

These shares come from HS customs code 320420, which covers 16 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 28%IndiaCH 26%SwitzerlandTW 22%TaiwanDE 9%GermanyCN 8%China

Indonesia
Italy
Lithuania
Czech Republic
Canada
Sweden
Singapore
Japan
Hong Kong
Netherlands
Hungary
Armenia
Guatemala

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Basf

EPA-registered importers (4)

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

Milliken &

P&G

Why It Matters

Sectors

Consumer ProductsCore Chemicals

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 2 functional roles.

•Dye in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Brightener in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Use—non-incorporative activities
•Brightener in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS16090-02-1

PubChem CID27677

DTXSIDDTXSID0027777

FormulaC40H38N12Na2O8S2

Mol. Weight924.9 g/mol

SMILESC1COCCN1C2=NC(=NC(=N2)NC3=CC(=C(C=C3)C=CC4=C(C=C(C=C4)NC5=NC(=NC(=N5)NC6=CC=CC=C6)N7CCOCC7)S(=O)(=O)[O-])S(=O)(=O)[O-])NC8=CC=CC=C8.[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID0027777Retrieved 2026-04-06
PubChem · compound 27677Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

4,4'-Bis(2-morpholino-4-anilino-s-triazinyl-6-amino)stilbene-2,2'-disulfonic acid disodium salt (CAS 16090-02-1) https://chemicalindependence.com/chemical/16090-02-1/ EPA CompTox (DSSTox): DTXSID0027777. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0027777 PubChem: 27677. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/27677 EPA Chemical Data Reporting: 16090-02-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 16090-02-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320420 for CAS 16090-02-1. Reporting year: 2024. https://usatrade.census.gov/