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Disiloxane, 1-butyl-1,1,3,3-tetramethyl-

CAS 121263-51-2

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

Molecular structure of 121263-51-2
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

CAS121263-51-2
PubChem CIDNot recorded
DTXSIDDTXSID30888257
FormulaC8H22OSi2
Mol. Weight190.433 g/mol
SMILESCCCC[Si](C)(C)O[SiH](C)C

Data Sources

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Brief citations

Disiloxane, 1-butyl-1,1,3,3-tetramethyl- (CAS 121263-51-2) https://chemicalindependence.com/chemical/121263-51-2/ EPA TSCA Inventory: CAS 121263-51-2. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory