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Bis(p-tert-butylphenyl) hydrogen phosphate

CAS 21150-89-0

Phenol, 4-(1,1-dimethylethyl)-, 1,1'-(hydrogen phosphate)

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

Molecular structure of 21150-89-0
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

CAS21150-89-0
PubChem CIDNot recorded
DTXSIDDTXSID3066683
FormulaC20H27O4P
Mol. Weight362.406 g/mol
SMILESCC(C)(C)C1=CC=C(OP(O)(=O)OC2=CC=C(C=C2)C(C)(C)C)C=C1

Data Sources

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Brief citations

Bis(p-tert-butylphenyl) hydrogen phosphate (CAS 21150-89-0) https://chemicalindependence.com/chemical/21150-89-0/ EPA TSCA Inventory: CAS 21150-89-0. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory