Phosphoric acid, tris(decyl) ester

CAS 4200-55-9

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

Molecular structure of 4200-55-9
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.

Vendor Pricing

$638.00/gAaron Chemicals LLC
CountryHong Kong
Pack$638.00 / 1 g
Purity95%
Vendors4 available

Prices reflect listed pack sizes. Small research packs run far above bulk rates.

Chemical Identity

CAS4200-55-9
PubChem CIDNot recorded
DTXSIDDTXSID7063348
FormulaC30H63O4P
Mol. Weight518.804 g/mol
SMILESCCCCCCCCCCOP(=O)(OCCCCCCCCCC)OCCCCCCCCCC

Data Sources

Brief citations

Phosphoric acid, tris(decyl) ester (CAS 4200-55-9) https://chemicalindependence.com/chemical/4200-55-9/ EPA TSCA Inventory: CAS 4200-55-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory