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Trisiloxane, 1,1,5,5-tetramethyl-3,3-diphenyl-

CAS 17875-55-7

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

Molecular structure of 17875-55-7
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.

Chemical Identity

CAS17875-55-7
PubChem CIDNot recorded
DTXSIDDTXSID50884993
FormulaC16H24O2Si3
Mol. Weight332.621 g/mol
SMILESC[SiH](C)O[Si](O[SiH](C)C)(C1=CC=CC=C1)C1=CC=CC=C1

Data Sources

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Brief citations

Trisiloxane, 1,1,5,5-tetramethyl-3,3-diphenyl- (CAS 17875-55-7) https://chemicalindependence.com/chemical/17875-55-7/ EPA TSCA Inventory: CAS 17875-55-7. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory