C.I. Pigment Orange 5

CAS 3468-63-1

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.

Import value, 2024$419M

Top sourceIndia 31%

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. Import value and source-country shares describe a shared customs category, not a separate chemical measurement.

Where It Comes From

Customs basis: HS 320417 · basket

EPA reports by year

2023: US production Confidential · Imports Confidential
2019: US production Confidential · Imports Confidential

These shares come from HS customs code 320417, which covers 80 tracked chemicals in total. They estimate the category's origin mix, not this chemical specifically.

Source Countries

Country of origin for US imports, from Census customs data (2024).

IN 31%IndiaCN 21%ChinaDE 17%GermanyKR 6%South KoreaCA 5%Canada

Netherlands
Sweden
Taiwan
South Africa
Turkey
Spain
Pakistan
Denmark
Hungary
Austria
Portugal
Israel
Ireland
Australia
Malaysia
Singapore
Brazil
Poland
Slovakia
Hong Kong
Romania
Norway
Colombia

EPA-registered importers (6)

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

Heubach Holding S R L · LU Luxembourg

Heubach Holdings Sarl · LU Luxembourg

Aceto Us

Hct

Heubach Holding Usa

Show all 6

Pigments Services

Why It Matters

Sectors

ConstructionPlastics & RubberTextilesPaints & CoatingsPaper & 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 6 sectors as 2 functional roles.

•Pigment in Custom Compounding of Purchased Resins (40%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Printing Ink Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Paint and Coating Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Synthetic Dye and Pigment Manufacturing (100%)Processing as a reactant
•Pigment in Construction (100%)Processing—incorporation into article
•Dye in Printing and Related Support Activities (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS3468-63-1

PubChem CID18981

DTXSIDDTXSID6029258

FormulaC16H10N4O5

Mol. Weight338.27 g/mol

SMILESC1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C=C(C=C3)[N+](=O)[O-])[N+](=O)[O-])O

Data Sources

EPA CompTox (DSSTox) · DTXSID6029258Retrieved 2026-04-06
PubChem · compound 18981Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
US Census international tradeReporting year: 2024 · Retrieved 2026-10-04

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Brief citations

C.I. Pigment Orange 5 (CAS 3468-63-1) https://chemicalindependence.com/chemical/3468-63-1/ EPA CompTox (DSSTox): DTXSID6029258. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6029258 PubChem: 18981. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/18981 EPA Chemical Data Reporting: 3468-63-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 3468-63-1. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting US Census international trade: HS 320417 for CAS 3468-63-1. Reporting year: 2024. https://usatrade.census.gov/