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

CAS 13863-31-5

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

Molecular structure of 13863-31-5 — 2 Na⁺

US productionZero

Import value, 2024$44M

Import volumeCBI

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

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. 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 Zero · 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.

Archroma U.S

Why It Matters

Sectors

Consumer Products

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

•Brightener in Soap, Cleaning Compound, and Toilet Preparation ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.46/gAaron Chemicals LLC

CountryHong Kong

Pack$232.00 / 500 g

PurityNot recorded

Vendors2 available

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

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (2 weeks)	United States	$0.63	500 g	—

Chemical Identity

CAS13863-31-5

PubChem CID6433586

DTXSIDDTXSID2027757

FormulaC38H38N12Na2O8S2

Mol. Weight900.9 g/mol

SMILESCN(CCO)C1=NC(=NC(=N1)NC2=CC(=C(C=C2)C=CC3=C(C=C(C=C3)NC4=NC(=NC(=N4)NC5=CC=CC=C5)N(C)CCO)S(=O)(=O)[O-])S(=O)(=O)[O-])NC6=CC=CC=C6.[Na+].[Na+]

Data Sources

EPA CompTox (DSSTox) · DTXSID2027757Retrieved 2026-04-06
PubChem · compound 6433586Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

Disodium 4,4'-bis-(2-sulfostyryl)biphenyl (CAS 13863-31-5) https://chemicalindependence.com/chemical/13863-31-5/ EPA CompTox (DSSTox): DTXSID2027757. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2027757 PubChem: 6433586. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6433586 EPA Chemical Data Reporting: 13863-31-5. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13863-31-5. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320420 for CAS 13863-31-5. Reporting year: 2024. https://usatrade.census.gov/