Didodecyl phosphonate

CAS 21302-09-0

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

Molecular structure of 21302-09-0
US productionZero
Import volume36.8K 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 36.8K lb
2019
US production Zero · Imports 47.4K lb
EPA-registered importers (2)
Idemitsu Kosan · JP Japan
Idemitsu Lubricants America

Why It Matters

Sectors
Energy
Downstream UsesNot recorded
FDA Shortage Status
No FDA shortage records

Industrial Uses

  • •Lubricating agent in Petroleum Lubricating Oil and Grease Manufacturing (4%)Use—non-incorporative activities

Chemical Identity

CAS21302-09-0
PubChem CID88863
DTXSIDDTXSID6051859
FormulaC24H51O3P
Mol. Weight418.6 g/mol
SMILESCCCCCCCCCCCCOP(=O)OCCCCCCCCCCCC

Data Sources

Brief citations

Didodecyl phosphonate (CAS 21302-09-0) https://chemicalindependence.com/chemical/21302-09-0/ EPA CompTox (DSSTox): DTXSID6051859. Retrieved 2026-04-06. https://comptox.epa.gov/dashboard/chemical/details/DTXSID6051859 PubChem: 88863. Retrieved 2026-04-06. https://pubchem.ncbi.nlm.nih.gov/compound/88863 EPA Chemical Data Reporting: 21302-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting EPA Chemical Data Reporting: CAS 21302-09-0. Reporting year: 2023. https://www.epa.gov/chemical-data-reporting