Benzenesulfonic acid, 2,2′-[(9,10-dihydro-9,10-dioxo-1,4-anthracenediyl)diimino]bis[5-methyl-, sodium salt (1:2)

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

US ProductionCBI

Import Value$56M

Top SourceIndia 70%

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 320412 · basket

These shares come from HS customs code 320412, which covers 19 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

IN 70%IndiaMY 7%MalaysiaCH 4%SwitzerlandCN 4%ChinaDE 3%Germany

Why It Matters

Sectors

Core Chemicals

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

•Dyes in All Other Chemical Product and Preparation Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$0.14/gAaron Chemicals LLC

CountryHong Kong

Pack$71.00 / 500 g

Purity95%

Vendors13 available

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

12 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.15	500 g	95%
A2B Chem LLC	United States	$0.18	500 g	—
AA BLOCKS	United States	$0.22	500 g	—
AK Scientific, Inc.	United States	$0.79	100 g	96%
Sigma-Aldrich (Rush Stock)	Germany	$2.44	50 g	—
Sigma-Aldrich	Germany	$2.44	50 g	—
Angene International Limited	United States	$10.32	25 g	95%
AstaTech (2 weeks)	United States	$48.00	1 g	95%
MedKoo Biosciences, Inc	United States	$90.00	5 g	98%
TargetMol Chemicals	China → United States	$1140.00	200 mg	—
Molnova	China	$1528.00	500 mg	99%
Angene	China → Hong Kong	$4266.67	30 mg	95%

Chemical Identity

CAS4403-90-1

PubChem CID20431

DTXSIDDTXSID2024903

FormulaC28H20N2Na2O8S2

Mol. Weight622.6 g/mol

SMILESCC1=CC(=C(C=C1)NC2=C3C(=C(C=C2)NC4=C(C=C(C=C4)C)S(=O)(=O)[O-])C(=O)C5=CC=CC=C5C3=O)S(=O)(=O)[O-].[Na+].[Na+]

Data Sources

DTXSID20249032026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

204312026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/20431/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/20431.json

4403-90-12026-04-24

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

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

CAS 4403-90-12026-04-25

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

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

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