Phosphoric acid, hexadecyl diphenyl ester

CAS 56827-92-0

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.

Import volumeZero

Top sourceNo public record

At least one company claimed its 2019 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: 2019.

Where It Comes From

EPA reports by year

2019: US production Confidential · Imports Zero

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.

Icl Specialty Products North America

Why It Matters

Sectors

Plastics & Rubber

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

•Flame retardant in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS56827-92-0

PubChem CID92540

DTXSIDDTXSID9069132

FormulaC28H43O4P

Mol. Weight474.6 g/mol

SMILESCCCCCCCCCCCCCCCCOP(=O)(OC1=CC=CC=C1)OC2=CC=CC=C2

Data Sources

EPA CompTox (DSSTox) · DTXSID9069132Retrieved 2026-04-06
PubChem · compound 92540Retrieved 2026-04-06
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04
EPA Chemical Data ReportingReporting year: 2019 · Retrieved 2026-10-04

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Brief citations

Phosphoric acid, hexadecyl diphenyl ester (CAS 56827-92-0) https://chemicalindependence.com/chemical/56827-92-0/ EPA CompTox (DSSTox): DTXSID9069132. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID9069132 PubChem: 92540. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/92540 EPA Chemical Data Reporting: 56827-92-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 56827-92-0. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting