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Phosphonium, ethyltriphenyl-, phosphate (1:1)

CAS 57249-35-1

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

Molecular structure of 57249-35-1
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

CAS57249-35-1
PubChem CIDNot recorded
DTXSIDDTXSID30890895
FormulaC20H22O4P2
Mol. Weight388.34 g/mol
SMILESOP(O)([O-])=O.CC[P+](C1=CC=CC=C1)(C1=CC=CC=C1)C1=CC=CC=C1

Data Sources

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Brief citations

Phosphonium, ethyltriphenyl-, phosphate (1:1) (CAS 57249-35-1) https://chemicalindependence.com/chemical/57249-35-1/ EPA TSCA Inventory: CAS 57249-35-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory