Disodium 4,4'-bis(2-sulfostyryl)biphenyl

CAS 27344-41-8

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

Molecular structure of 27344-41-8 — 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

EPA-registered importers (8)

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

Basf Se · DE Germany

Archroma U.S

Basf

Delta Carbona

Show all 8

Mayzo

Milliken &

P&G

Why It Matters

Sectors

ConstructionConsumer 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 3 sectors as 4 functional roles.

•Dye in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Surfactant (surface active agent) 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
•Antioxidant in Adhesive Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Brightener in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS27344-41-8

PubChem CID33786

DTXSIDDTXSID6036467

FormulaC28H20Na2O6S2

Mol. Weight562.6 g/mol

SMILESC1=CC=C(C(=C1)C=CC2=CC=C(C=C2)C3=CC=C(C=C3)C=CC4=CC=CC=C4S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID6036467Retrieved 2026-04-06
PubChem · compound 33786Retrieved 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

← Back to Dashboard ← Back to Construction

Brief citations

Disodium 4,4'-bis(2-sulfostyryl)biphenyl (CAS 27344-41-8) https://chemicalindependence.com/chemical/27344-41-8/ EPA CompTox (DSSTox): DTXSID6036467. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6036467 PubChem: 33786. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/33786 EPA Chemical Data Reporting: 27344-41-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 27344-41-8. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320420 for CAS 27344-41-8. Reporting year: 2024. https://usatrade.census.gov/