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C.I. Pigment Black 28

CAS 68186-91-4

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

Molecular structure of 68186-91-4
US productionCBI
Top sourceNo public record

At least one company claimed its 2023 production or import volume for this chemical as confidential, so EPA withholds it.

Why supply is unknown

Production is reported production, not a complete census of factories. US production volume is confidential. Production reporting year: 2023.

Where It Comes From

EPA reports by year
2023
US production Confidential · Imports Confidential
2019
US production Confidential · Imports Confidential
EPA-registered manufacturers (1)
The Shepherd Material Science
EPA-registered importers (3)
Heubach Holdings Sarl · LU Luxembourg
Fenzi Agt Usa
Hct

Why It Matters

Sectors
ElectronicsConstructionMetals & MiningPlastics & RubberPaints & CoatingsPaper & Printing
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

Used in 8 sectors as 3 functional roles.

  • •Dye in Printing and Related Support Activities (100%)Use—non-incorporative activities
  • •Pigment in Computer and Electronic Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Paint and Coating ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Printing Ink ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Plastics Product ManufacturingProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Non-metallic Mineral Product Manufacturing (includes clay, glass, cement, concrete, lime, gypsum, and other non-metallic mineral product manufacturing)Processing—incorporation into formulation, mixture, or reaction product
  • •Pigment in Custom Compounding of Purchased ResinsProcessing—incorporation into formulation, mixture, or reaction product
  • •Pigment in OtherProcessing—incorporation into article
  • •Binder in Paint and Coating Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS68186-91-4
PubChem CIDNot recorded
DTXSIDDTXSID2051390
FormulaNot recorded
Mol. WeightNot recorded
SMILESNot recorded

Data Sources

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Brief citations

C.I. Pigment Black 28 (CAS 68186-91-4) https://chemicalindependence.com/chemical/68186-91-4/ EPA CompTox (DSSTox): DTXSID2051390. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID2051390 EPA Chemical Data Reporting: 68186-91-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 68186-91-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting