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C.I. Fluorescent Brightener 264

CAS 68971-49-3

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

Molecular structure of 68971-49-3
6 Na⁺
US productionCBI
Import value, 2024$44M
Import volume41.9K lb
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 41.9K lb
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
IN 28%IndiaCH 26%SwitzerlandTW 22%TaiwanDE 9%GermanyCN 8%China

Why It Matters

Sectors
Textiles
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

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

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

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Brief citations

C.I. Fluorescent Brightener 264 (CAS 68971-49-3) https://chemicalindependence.com/chemical/68971-49-3/ EPA CompTox (DSSTox): DTXSID60890020. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID60890020 PubChem: 6441328. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/6441328 EPA Chemical Data Reporting: 68971-49-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68971-49-3. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320420 for CAS 68971-49-3. Reporting year: 2024. https://usatrade.census.gov/