Tetrakis(1-methylpropyl) orthosilicate
CAS 5089-76-9
Silicic acid (H4SiO4), tetrakis(1-methylpropyl) ester
EPA and Census publish no US supply data for this chemical.
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 unknownWhere 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.
Vendor Pricing
$3.27/gA2B Chem LLC (2 weeks)
CountryUnited States
Pack$327.00 / 100 g
PurityNot recorded
Vendors2 available
Prices reflect listed pack sizes. Small research packs run far above bulk rates.
1 more vendor
| Vendor | Country Supplier country. Where available, shows shipping origin. When the supplier ships from a different country than where they are registered, both are shown. Most suppliers show registration country only. | $/g | Pack | Purity |
|---|---|---|---|---|
| Aaron Chemicals LLC | Hong Kong | $3.71 | 100 g | — |
Chemical Identity
CAS5089-76-9
PubChem CIDNot recorded
DTXSIDDTXSID8052144
FormulaC16H36O4Si
Mol. Weight320.545 g/mol
SMILESCCC(C)O[Si](OC(C)CC)(OC(C)CC)OC(C)CC
Data Sources
- EPA TSCA InventoryRetrieved 2026-10-04
Brief citations
Tetrakis(1-methylpropyl) orthosilicate (CAS 5089-76-9) https://chemicalindependence.com/chemical/5089-76-9/ EPA TSCA Inventory: CAS 5089-76-9. Retrieved 2026-10-04. https://www.epa.gov/tsca-inventory