Disodium 3-hydroxynaphthalene-2,7-disulfonate

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

US ProductionCBI

Import Value$11M

Top SourceIndia 78%

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 290899 · basket

These shares come from HS customs code 290899, which covers 16 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries

IN 78%IndiaCN 19%ChinaJP 1%JapanAE 1%United Arab Emirates

Why It Matters

Sectors

Food

Downstream UsesNo data available

FDA Shortage Status

No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

•Dye in Food, beverage, and tobacco product manufacturing (100%)Processing as a reactant

Vendor Pricing

$0.13/gAaron Chemicals LLC

CountryHong Kong

Pack$67.00 / 500 g

Purity85%

Vendors11 available

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

10 more vendors

Vendor	Country	$/g	Pack	Purity
Angene Chemical	China → Hong Kong	$0.15	500 g	85%
Apollo Scientific US	United Kingdom	$0.17	500 g	—
A2B Chem LLC	United States	$0.43	100 g	95%
AA BLOCKS	United States	$0.53	100 g	95%
AK Scientific, Inc.	United States	$1.35	500 g	95%
Angene International Limited	United States	$2.14	500 g	95%
Key Organics Ltd.	United Kingdom	$2740.00	50 mg	95%
Angene	China → Hong Kong	$4266.67	30 mg	85%
Vitas M Chemical Limited	Hong Kong	$9000.00	10 mg	90%
Princeton BioMolecular Research (SC)	United States	$10500.00	10 mg	90%

Chemical Identity

CAS135-51-3

PubChem CID8673

DTXSIDDTXSID8044543

FormulaC10H6Na2O7S2

Mol. Weight348.3 g/mol

SMILESC1=CC(=CC2=CC(=C(C=C21)O)S(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+]

Data Sources

DTXSID80445432026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

86732026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/8673/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/8673.json

135-51-32026-04-24

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

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

CAS 135-51-32026-04-25

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

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

← Back to Dashboard ← Back to Food