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Phosphoric acid, P,P'-1,3-phenylene P,P,P',P'-tetrakis(2,6-dimethylphenyl) ester

CAS 139189-30-3

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

Molecular structure of 139189-30-3
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

CAS139189-30-3
PubChem CIDNot recorded
DTXSIDDTXSID60108450
FormulaC38H40O8P2
Mol. Weight686.678 g/mol
SMILESCC1=CC=CC(C)=C1OP(=O)(OC1=CC(OP(=O)(OC2=C(C)C=CC=C2C)OC2=C(C)C=CC=C2C)=CC=C1)OC1=C(C)C=CC=C1C

Data Sources

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Brief citations

Phosphoric acid, P,P'-1,3-phenylene P,P,P',P'-tetrakis(2,6-dimethylphenyl) ester (CAS 139189-30-3) https://chemicalindependence.com/chemical/139189-30-3/ EPA TSCA Inventory: CAS 139189-30-3. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory