C.I. Fluorescent Brightener 264

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 importers (1)

Indulor America

Why It Matters

Sectors

TextilesPaper & Printing

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 2 sectors as 1 functional role.

•Dye in Synthetic Dye and Pigment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
•Dye in Paper Manufacturing (100%)Processing—incorporation into article

Chemical Identity

CAS68971-49-3

PubChem CID6441328

DTXSIDDTXSID60890020

FormulaC40H38N12Na6O22S6

Mol. Weight1369.1 g/mol

SMILESC1=CC(=C(C=C1NC2=NC(=NC(=N2)N(CCO)CCO)NC3=C(C=CC(=C3)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-])C=CC4=C(C=C(C=C4)NC5=NC(=NC(=N5)N(CCO)CCO)NC6=C(C=CC(=C6)S(=O)(=O)[O-])S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+].[Na+].[Na+]

Data Sources

DTXSID608900202026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

64413282026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/6441328/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/6441328.json

68971-49-32026-04-24

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

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

CAS 68971-49-32026-04-25

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

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

← Back to Dashboard ← Back to Textiles