N,N'-(2-Chloro-1,4-phenylene)bis(4-((2,5-dichlorophenyl)azo)-3-hydroxynaphthalene-2-carboxamide)

CAS 5280-78-4

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 volume5.0K lb

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 5.0K lb
2019: US production Confidential · Imports Confidential

Domestic parents -- activity not disclosed (3)

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

Basf

Pigments Services

Target

EPA-registered importers (1)

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

Palmer Holland

Why It Matters

Sectors

Plastics & RubberPaints & 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 3 sectors as 1 functional role.

•Pigment in Printing Ink Manufacturing (20%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Plastics Material and Resin Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Paint and Coating Manufacturing (40%)Processing—incorporation into formulation, mixture, or reaction product

Vendor Pricing

$1203.00/gA2B Chem LLC (1 week)

CountryUnited States

Pack$1203.00 / 1 g

Purity95%

Vendors2 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

1 more vendor

Vendor	Country	$/g	Pack	Purity
AA BLOCKS (1 week)	United States	$1275.00	1 g	95%

Chemical Identity

CAS5280-78-4

PubChem CID111058

DTXSIDDTXSID3063756

FormulaC40H23Cl5N6O4

Mol. Weight828.9 g/mol

SMILESC1=CC=C2C(=C1)C=C(C(=C2N=NC3=C(C=CC(=C3)Cl)Cl)O)C(=O)NC4=CC(=C(C=C4)NC(=O)C5=CC6=CC=CC=C6C(=C5O)N=NC7=C(C=CC(=C7)Cl)Cl)Cl

Data Sources

EPA CompTox (DSSTox) · DTXSID3063756Retrieved 2026-04-06
PubChem · compound 111058Retrieved 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

N,N'-(2-Chloro-1,4-phenylene)bis(4-((2,5-dichlorophenyl)azo)-3-hydroxynaphthalene-2-carboxamide) (CAS 5280-78-4) https://chemicalindependence.com/chemical/5280-78-4/ EPA CompTox (DSSTox): DTXSID3063756. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID3063756 PubChem: 111058. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/111058 EPA Chemical Data Reporting: 5280-78-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 5280-78-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting