Ethyltriacetoxysilane
Also known as: Triacetoxyethylsilane, Triacetoxy(ethyl)silane, Ethylsilanetriyl triacetate, ETAS, 1-Ethylsilanetriol triacetate, [Diacetyloxy(ethyl)silyl] acetate, Ethyl tris(acetyloxy)silane
Ethyltriacetoxysilane (CAS 17689-77-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C8H14O6Si and a molecular weight of 234.279 g/mol. Key properties include a melting point of 7-9°C, a boiling point of 216.1±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 70.3±14.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 17689-77-9
- Jingsj CID
- J-27678-0
- Molecular Formula
- C8H14O6Si
- Molecular Weight
- 234.279 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | 7-9°C |
|---|---|
| Boiling Point | 216.1±9.0 °C at 760 mmHg |
| Density | 1.1±0.1 g/cm3 |
| Flash Point | 70.3±14.3 °C |
| Exact Mass | 234.055969 |
| PSA | 78.90000 |
| LogP | 1.90 |
| Vapor Pressure | 0.1±0.4 mmHg at 25°C |
| Refractive Index | 1.428 |
Customs & Trade Information
| HS Code | 2931900090 |
|---|---|
| Summary | 2931900090. other organo-inorganic compounds. VAT:17.0%. Tax rebate rate:13.0%. Supervision conditions:AB(certificate of inspection for goods inward,certificate of inspection for goods outward). MFN tariff:6.5%. General tariff:30.0% |
Frequently Asked Questions
What is the CAS number of Ethyltriacetoxysilane?
The CAS number of Ethyltriacetoxysilane is 17689-77-9.
What are the molecular formula and molecular weight of Ethyltriacetoxysilane?
Ethyltriacetoxysilane has molecular formula C8H14O6Si and molecular weight 234.279 g/mol.
What are the upstream and downstream products of Ethyltriacetoxysilane?
For Ethyltriacetoxysilane, Upstream Products: Trichloro(ethyl)silane, tris(dimethylamino)ethylsilane, Sodium acetate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyltriacetoxysilane (CAS 17689-77-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-27678-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.