1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-, barium salt (2:1)

CAS 1103-38-4

Companies reported imports and no US production of this chemical to EPA for 2023.

Molecular structure of 1103-38-4 — 1 Ba²⁺

US productionZero

Import volume48.5K lb

Import dependency100%

Top sourceNo public record

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

Where It Comes From

EPA reports by year

2023: US production Zero · Imports 48.5K lb
2019: US production Confidential · Imports Confidential

Domestic parents -- activity not disclosed (2)

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

Flint Group Packaging Inks North America Holdings

Pigments Services

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.

Trust Chem Usa Llc.

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 2 sectors as 1 functional role.

•Pigment in Printing Ink Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•Pigment in Printing and Related Support ActivitiesProcessing—repackaging

Chemical Identity

CAS1103-38-4

PubChem CID14199

DTXSIDDTXSID0027359

FormulaC40H26BaN4O8S2

Mol. Weight892.1 g/mol

SMILESC1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C4=CC=CC=C4C=C3)S(=O)(=O)[O-])O.C1=CC=C2C(=C1)C=CC(=C2N=NC3=C(C4=CC=CC=C4C=C3)S(=O)(=O)[O-])O.[Ba+2]

Data Sources

EPA CompTox (DSSTox) · DTXSID0027359Retrieved 2026-04-06
PubChem · compound 14199Retrieved 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

1-Naphthalenesulfonic acid, 2-[(2-hydroxy-1-naphthalenyl)azo]-, barium salt (2:1) (CAS 1103-38-4) https://chemicalindependence.com/chemical/1103-38-4/ EPA CompTox (DSSTox): DTXSID0027359. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0027359 PubChem: 14199. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/14199 EPA Chemical Data Reporting: 1103-38-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 1103-38-4. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting