Carbon black, carboxy-modified, sodium salts

CAS 171340-56-0

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

US productionCBI

Confidential Business Information. The EPA withholds this volume because publishing it could reveal the reporting company's trade secrets.

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)

Companies that report making or importing this chemical to the EPA. Registration is US-centric and does not indicate import origin.

Orient Corporation Of America

Domestic parents -- activity not disclosed (1)

EPA records name a US company for this chemical but do not disclose whether the company made it here or imported it.

Sensient Colors

Why It Matters

Sectors

Paper & Printing

Downstream UsesNot recorded

FDA Shortage Status

Whether any manufacturer currently reports this drug as in shortage on the FDA Drug Shortages database. "Active Shortage" means at least one presentation has status "current."

No FDA shortage records

Industrial Uses

Used in 1 sector as 2 functional roles.

•Dye in Printing Ink ManufacturingNot Known or Reasonably Ascertainable
•Pigment in Printing Ink Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS171340-56-0

PubChem CIDNot recorded

DTXSIDDTXSID70107136

FormulaNot recorded

Mol. WeightNot recorded

SMILESNot recorded

Data Sources

EPA CompTox (DSSTox) · DTXSID70107136Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04

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Brief citations

Carbon black, carboxy-modified, sodium salts (CAS 171340-56-0) https://chemicalindependence.com/chemical/171340-56-0/ EPA CompTox (DSSTox): DTXSID70107136. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID70107136 EPA Chemical Data Reporting: 171340-56-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 171340-56-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting