Diphenyl tridecyl phosphite

CAS 60628-17-3

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.

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 Confidential

EPA-registered manufacturers (2)

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

Icc Industries

Si Group Usa (Usaa)

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

Used in 2 sectors as 3 functional roles.

•Stabilizing agent in Plastics Material and Resin Manufacturing (100%)Processing—incorporation into formulation, mixture, or reaction product
•UV stabilizer in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
•Antioxidant in Plastics Material and Resin Manufacturing (90%)Processing—incorporation into formulation, mixture, or reaction product
•UV stabilizer in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product
•Antioxidant in Synthetic Rubber Manufacturing (10%)Processing—incorporation into formulation, mixture, or reaction product

Chemical Identity

CAS60628-17-3

PubChem CID108980

DTXSIDDTXSID0069414

FormulaC25H37O3P

Mol. Weight416.5 g/mol

SMILESCCCCCCCCCCCCCOP(OC1=CC=CC=C1)OC2=CC=CC=C2

Data Sources

EPA CompTox (DSSTox) · DTXSID0069414Retrieved 2026-04-06
PubChem · compound 108980Retrieved 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

Diphenyl tridecyl phosphite (CAS 60628-17-3) https://chemicalindependence.com/chemical/60628-17-3/ EPA CompTox (DSSTox): DTXSID0069414. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID0069414 PubChem: 108980. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/108980 EPA Chemical Data Reporting: 60628-17-3. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 60628-17-3. Reporting year: 2019. https://www.epa.gov/chemical-data-reporting