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Trisiloxane, 1,1,3,3,5,5-hexamethyl-

CAS 1189-93-1

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

Molecular structure of 1189-93-1
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

CAS1189-93-1
PubChem CIDNot recorded
DTXSIDDTXSID10883664
FormulaC6H20O2Si3
Mol. Weight208.479 g/mol
SMILESC[SiH](C)O[Si](C)(C)O[SiH](C)C

Data Sources

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Brief citations

Trisiloxane, 1,1,3,3,5,5-hexamethyl- (CAS 1189-93-1) https://chemicalindependence.com/chemical/1189-93-1/ EPA TSCA Inventory: CAS 1189-93-1. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory