Ammonium 1,3-propylenediaminetetraacetatoferrate

CAS 111687-36-6

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

Molecular structure of 111687-36-6 — 1 Fe³⁺ · 1 NH₄⁺

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 4.4K lb · Imports 26.7K lb

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.

Fujifilm Holdings America

Why It Matters

Sectors

Consumer Products

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

•Oxidizing/reducing agents in Photographic Film, Paper, Plate, and Chemical Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS111687-36-6

PubChem CID159534

DTXSIDDTXSID8029573

FormulaC11H18FeN3O8

Mol. Weight376.12 g/mol

SMILESC(CN(CC(=O)[O-])CC(=O)[O-])CN(CC(=O)[O-])CC(=O)[O-].[NH4+].[Fe+3]

Data Sources

EPA CompTox (DSSTox) · DTXSID8029573Retrieved 2026-04-06
PubChem · compound 159534Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2023 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Ammonium 1,3-propylenediaminetetraacetatoferrate (CAS 111687-36-6) https://chemicalindependence.com/chemical/111687-36-6/ EPA CompTox (DSSTox): DTXSID8029573. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID8029573 PubChem: 159534. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/159534 EPA Chemical Data Reporting: 111687-36-6. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 111687-36-6. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting