C.I. Fluorescent Brightener 28, disodium salt

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

US ProductionCBI

Import Value$44M

Top SourceIndia 28%

The EPA did not publish how much of this chemical companies made or imported, or marked that amount confidential. Without that volume, ACID cannot calculate import dependency.

Where It Comes From

Customs basis: HS 320420 · basket

These shares come from HS customs code 320420, which covers 10 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

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

EPA-registered manufacturers (2)

Archroma Management Gmbh · CH Switzerland

Archroma U.S

EPA-registered importers (3)

Archroma Management Gmbh · CH Switzerland

Archroma U.S

Milliken &

Why It Matters

Sectors

Consumer ProductsPaper & Printing

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 2 sectors as 2 functional roles.

•Brightener in Paper Manufacturing (100%)Processing—incorporation into article
•Dyes in Soap, Cleaning Compound, and Toilet Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS4193-55-9

PubChem CID6108780

DTXSIDDTXSID9044669

FormulaC40H44N12O10S2

Mol. Weight917 g/mol

SMILESC1=CC=C(C=C1)NC2=NC(=NC(=N2)N(CCO)CCO)NC3=CC(=C(C=C3)C=CC4=C(C=C(C=C4)NC5=NC(=NC(=N5)NC6=CC=CC=C6)N(CCO)CCO)S(=O)(=O)O)S(=O)(=O)O

Data Sources

DTXSID90446692026-04-06

https://doi.org/10.23645/epacomptox.5588566

Archive: data/sources/comptox/dsstox_identifiers.csv

61087802026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6108780/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6108780.json

4193-55-92026-04-24

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr.csv

CAS 4193-55-92026-04-25

https://www.epa.gov/chemical-data-reporting

Archive: data/sources/epa_cdr/2020_cdr_industrial.csv

← Back to Dashboard ← Back to Consumer Products