C.I. Direct Black 19, disodium salt

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

Molecular structure of 6428-31-5
US ProductionCBI

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

EPA-registered manufacturers (1)
Kemira Chemicals
EPA-registered importers (2)
Orient Corporation Of America
Sensient Technologies

Why It Matters

Sectors
Paper & Printing
Downstream UsesNo data available
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 3 sectors as 4 functional roles.

  • •Solvents (which become part of product formulation or mixture) in Not Known or Reasonably Ascertainable (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Dye in Paper Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
  • •Dyes in Not Known or Reasonably AscertainableNot Known or Reasonably Ascertainable
  • •Pigment in Printing Ink Manufacturing (0%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS6428-31-5
PubChem CID101697935
DTXSIDDTXSID3064356
FormulaC34H27N13Na2O7S2
Mol. Weight839.8 g/mol
SMILESC1=CC(=CC=C1N=NC2=C(C=C(C=C2)N)N)N=NC3=C(C4=C(C(=C(C=C4C=C3S(=O)(=O)[O-])S(=O)(=O)O)N=NC5=CC=C(C=C5)N=NC6=C(C=C(C=C6)N)N)[O-])N.[Na+].[Na+]

Data Sources

DTXSID30643562026-04-06

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

Archive: data/sources/comptox/dsstox_identifiers.csv

1016979352026-04-06

https://pubchem.ncbi.nlm.nih.gov/rest/pug/compound/cid/101697935/property/MolecularFormula,MolecularWeight,CanonicalSMILES,InChIKey/JSON

Archive: data/sources/pubchem_properties/101697935.json

6428-31-52026-04-24

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

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

CAS 6428-31-52026-04-25

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

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

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