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Ethanamine, N,N',N''-[(2,4,6,8,8-pentamethylcyclotetrasiloxane-2,4,6-triyl)tris(oxy)]tris[N-ethyl-

CAS 66558-73-4

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

Molecular structure of 66558-73-4
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

CAS66558-73-4
PubChem CIDNot recorded
DTXSIDDTXSID90886810
FormulaC17H45N3O7Si4
Mol. Weight515.901 g/mol
SMILESCCN(CC)O[Si]1(C)O[Si](C)(C)O[Si](C)(ON(CC)CC)O[Si](C)(ON(CC)CC)O1

Data Sources

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Brief citations

Ethanamine, N,N',N''-[(2,4,6,8,8-pentamethylcyclotetrasiloxane-2,4,6-triyl)tris(oxy)]tris[N-ethyl- (CAS 66558-73-4) https://chemicalindependence.com/chemical/66558-73-4/ EPA TSCA Inventory: CAS 66558-73-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory