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Diphosphoric acid, dioctyl ester

CAS 26658-09-3

EPA and Census publish no US supply data for this chemical.

Molecular structure of 26658-09-3
US productionNot reported
Top sourceNo public record

This chemical is listed as active in US commerce, but no company reported it to EPA’s survey for 2019 or 2023. Sites may have made or imported less than the threshold amount, or none.

Why supply is unknown

Where It Comes From

EPA and Census publish no US supply data for this chemical.

Why It Matters

No EPA sector or FDA product records name a use for this chemical.

Chemical Identity

CAS26658-09-3
PubChem CIDNot recorded
DTXSIDDTXSID30885367
FormulaC16H36O7P2
Mol. Weight402.405 g/mol
SMILESCCCCCCCCOP(=O)(OCCCCCCCC)OP(O)(O)=O

Data Sources

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Brief citations

Diphosphoric acid, dioctyl ester (CAS 26658-09-3) https://chemicalindependence.com/chemical/26658-09-3/ EPA TSCA Inventory: CAS 26658-09-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory