2,7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:?)

No U.S. production. America imports the entire domestic supply.

Molecular structure of 78952-61-1
US ProductionZero
Import Value$309M
Import Volume44.9K lbs
Import Dependency100%
Top SourceChina 40%
2,7-Naphthalenedisulfonic acid, 5-[[4-chloro-6-[(3-sulfophenyl)amino]-1,3,5-triazin-2-yl]amino]-4-hydroxy-3-[2-[4-[[2-(sulfooxy)ethyl]sulfonyl]phenyl]diazenyl]-, sodium salt (1:?) · US import value by year
$292M2013$357M2025

Where It Comes From

Customs basis: HS 293369 · basket

These shares come from HS customs code 293369, which covers 48 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
CN 40%ChinaJP 19%JapanIN 15%IndiaES 11%SpainDE 5%Germany
EPA-registered importers (1)
Dystar

Why It Matters

Sectors
Textiles
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 1 sector as 1 functional role.

  • Dyes in Textiles, apparel, and leather manufacturing (0%)Processing—repackaging

Chemical Identity

CAS78952-61-1
PubChem CID166507
DTXSIDDTXSID901013835
FormulaC27H18ClN7Na4O16S5
Mol. Weight984.2 g/mol
SMILESC1=CC(=CC(=C1)S(=O)(=O)[O-])NC2=NC(=NC(=N2)Cl)NC3=C4C(=CC(=C3)S(=O)(=O)[O-])C=C(C(=C4O)N=NC5=CC=C(C=C5)S(=O)(=O)CCOS(=O)(=O)[O-])S(=O)(=O)[O-].[Na+].[Na+].[Na+].[Na+]

Data Sources

DTXSID9010138352026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

1665072026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/166507/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/166507.json

78952-61-12026-04-24

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

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

CAS 78952-61-12026-04-25

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

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