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Tris{[(2-methylbut-3-yn-2-yl)oxy]methyl} hydrogen orthosilicate

CAS 83817-71-4

Silane, tris[(1,1-dimethyl-2-propyn-1-yl)oxy]methyl-

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

Molecular structure of 83817-71-4
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

CAS83817-71-4
PubChem CIDNot recorded
DTXSIDDTXSID101003892
FormulaC18H28O7Si
Mol. Weight384.5 g/mol
SMILESCC(C)(OCO[Si](O)(OCOC(C)(C)C#C)OCOC(C)(C)C#C)C#C

Data Sources

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Brief citations

Tris{[(2-methylbut-3-yn-2-yl)oxy]methyl} hydrogen orthosilicate (CAS 83817-71-4) https://chemicalindependence.com/chemical/83817-71-4/ EPA TSCA Inventory: CAS 83817-71-4. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory