9-Phosphabicyclo[3.3.1]nonane

CAS 13887-02-0

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.

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 Confidential · Imports Confidential

EPA-registered importers (2)

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

Syensqo Sa · BE Belgium

Solvay

Why It Matters

Sectors

Core Chemicals

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

•Intermediate in All Other Basic Organic Chemical Manufacturing (100%)Processing as a reactant

Chemical Identity

CAS13887-02-0

PubChem CID117171

DTXSIDDTXSID7065673

FormulaC8H15P

Mol. Weight142.18 g/mol

SMILESC1CC2CCCC(C1)P2

Data Sources

EPA CompTox (DSSTox) · DTXSID7065673Retrieved 2026-04-06
PubChem · compound 117171Retrieved 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

9-Phosphabicyclo[3.3.1]nonane (CAS 13887-02-0) https://chemicalindependence.com/chemical/13887-02-0/ EPA CompTox (DSSTox): DTXSID7065673. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID7065673 PubChem: 117171. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/117171 EPA Chemical Data Reporting: 13887-02-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 13887-02-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting