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Phosphorous acid, dinonylphenyl nonylphenyl ester

CAS 68186-33-4

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

Molecular structure of 68186-33-4
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

CAS68186-33-4
PubChem CIDNot recorded
DTXSIDDTXSID50987690
FormulaC38H63O4P
Mol. Weight614.892 g/mol
SMILESCCCCCCCCCC1=CC(OP(O)(=O)OC2=CC=C(CCCCCCCC)C=C2)=C(CCCCCCCCC)C=C1

Data Sources

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Brief citations

Phosphorous acid, dinonylphenyl nonylphenyl ester (CAS 68186-33-4) https://chemicalindependence.com/chemical/68186-33-4/ EPA TSCA Inventory: CAS 68186-33-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory