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Tetrakis(2-ethylbutyl) orthosilicate

CAS 78-13-7

Silicic acid (H4SiO4), tetrakis(2-ethylbutyl) ester

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

Molecular structure of 78-13-7
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

$11.15/gFluorochem UK
CountryUnited Kingdom
Pack$55.77 / 5 g
Purity95%
Vendors1 available

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

Chemical Identity

CAS78-13-7
PubChem CIDNot recorded
DTXSIDDTXSID1052535
FormulaC24H52O4Si
Mol. Weight432.761 g/mol
SMILESCCC(CC)CO[Si](OCC(CC)CC)(OCC(CC)CC)OCC(CC)CC

Data Sources

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Brief citations

Tetrakis(2-ethylbutyl) orthosilicate (CAS 78-13-7) https://chemicalindependence.com/chemical/78-13-7/ EPA TSCA Inventory: CAS 78-13-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory