Flag of the United StatesAmerican Chemical Independence

C.I. Food Red 11

CAS 4321-69-1

2,7-Naphthalenedisulfonic acid, 5-(acetylamino)-3-[2-[4-(acetylamino)phenyl]diazenyl]-4-hydroxy-, sodium salt (1:2)

Molecular structure of 4321-69-1
2 Na⁺
US productionNot reported
Import value, 2024$56M
Top sourceIndia 70%

EPA lists this chemical for 2023 but publishes zero or no volume for both production and imports.

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 320412 · basket

EPA reports by year
2023
US production Not published · Imports Not published

These shares come from HS customs code 320412, which covers 106 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries
IN 70%IndiaMY 7%MalaysiaCH 4%SwitzerlandCN 4%ChinaDE 3%Germany
Domestic parents -- activity not disclosed (1)
Target

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS4321-69-1
PubChem CIDNot recorded
DTXSIDDTXSID8044672
FormulaC20H16N4Na2O9S2
Mol. Weight566.47 g/mol
SMILES[Na+].[Na+].CC(=O)NC1=CC=C(C=C1)N=NC1=C(O)C2=C(C=C(C=C2NC(C)=O)S([O-])(=O)=O)C=C1S([O-])(=O)=O

Data Sources

← Back to Dashboard

Brief citations

C.I. Food Red 11 (CAS 4321-69-1) https://chemicalindependence.com/chemical/4321-69-1/ EPA TSCA Inventory: CAS 4321-69-1. Retrieved 2026-04-29. https://www.epa.gov/tsca-inventory EPA Chemical Data Reporting: 4321-69-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320412 for CAS 4321-69-1. Reporting year: 2024. https://usatrade.census.gov/