Tetrabenzyl orthosilicate

CAS 4424-00-4

Silicic acid (H4SiO4), tetrakis(phenylmethyl) ester

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

Molecular structure of 4424-00-4
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.

Vendor Pricing

$16.08/gAaron Chemicals LLC
CountryHong Kong
Pack$402.00 / 25 g
PurityNot recorded
Vendors7 available

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

Chemical Identity

CAS4424-00-4
PubChem CIDNot recorded
DTXSIDDTXSID101014639
FormulaC28H28O4Si
Mol. Weight456.613 g/mol
SMILESC(O[Si](OCC1=CC=CC=C1)(OCC1=CC=CC=C1)OCC1=CC=CC=C1)C1=CC=CC=C1

Data Sources

Brief citations

Tetrabenzyl orthosilicate (CAS 4424-00-4) https://chemicalindependence.com/chemical/4424-00-4/ EPA TSCA Inventory: CAS 4424-00-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory