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Tributylphosphine oxide

CAS 814-29-9

Phosphine oxide, tributyl-

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

Molecular structure of 814-29-9
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

CAS814-29-9
PubChem CIDNot recorded
DTXSIDDTXSID2061149
FormulaC12H27OP
Mol. Weight218.321 g/mol
SMILESCCCCP(=O)(CCCC)CCCC

Data Sources

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Brief citations

Tributylphosphine oxide (CAS 814-29-9) https://chemicalindependence.com/chemical/814-29-9/ EPA TSCA Inventory: CAS 814-29-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory