C.I. Sulphur Black 1

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

Molecular structure of 1326-82-5
US ProductionZero
Import Value$52M
Import Volume393.2K lbs
Import Dependency100%
Top SourceIndia 34%
C.I. Sulphur Black 1 · US import value by year
$98M2013$50M2025

Where It Comes From

Customs basis: HS 320419 · basket

These shares come from HS customs code 320419, which covers 8 chemicals in total. They estimate the bucket's origin mix, not this chemical specifically.

Source Countries
IN 34%IndiaCN 14%ChinaJP 13%JapanDE 12%GermanyCA 7%Canada
EPA-registered importers (1)
Atul Usa

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.

  • •Dye in Synthetic Dye and Pigment ManufacturingProcessing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS1326-82-5
PubChem CID73557531
DTXSIDDTXSID5029213
FormulaC18H8N4O5S2
Mol. Weight424.4 g/mol
SMILESC1=CC2=C(C=C1[N+](=O)[O-])NC3=C(S2)C=C4C(=C3)N=C5C=C(C(=O)C=C5S4)[N+](=O)[O-]

Data Sources

DTXSID50292132026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

735575312026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/73557531/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/73557531.json

1326-82-52026-04-24

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

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

CAS 1326-82-52026-04-25

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

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

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