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Silicic acid (H6Si2O7), hexaethyl ester

CAS 2157-42-8

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

Molecular structure of 2157-42-8
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

CAS2157-42-8
PubChem CIDNot recorded
DTXSIDDTXSID0062218
FormulaC12H30O7Si2
Mol. Weight342.535 g/mol
SMILESCCO[Si](OCC)(OCC)O[Si](OCC)(OCC)OCC

Data Sources

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Brief citations

Silicic acid (H6Si2O7), hexaethyl ester (CAS 2157-42-8) https://chemicalindependence.com/chemical/2157-42-8/ EPA TSCA Inventory: CAS 2157-42-8. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory