Dimethylethoxysilane
Also known as: Ethoxydimethylsilane, Dimethyl Ethoxysilane, ethoxydimethyl-silane, Silane, ethoxydimethyl-
Dimethylethoxysilane (CAS 14857-34-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C4H12OSi and a molecular weight of 104.223 g/mol. Key properties include a boiling point of 90.3±8.0 °C at 760 mmHg, a density of 0.757 and a flash point of 8.4±18.4 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 14857-34-2
- Jingsj CID
- J-40993-8
- Molecular Formula
- C4H12OSi
- Molecular Weight
- 104.223 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 90.3±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.757 |
| Flash Point | 8.4±18.4 °C |
| Exact Mass | 104.065742 |
| PSA | 9.23000 |
| LogP | 2.73 |
| Vapor Pressure | 63.9±0.2 mmHg at 25°C |
| Refractive Index | 1.3680 |
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 Dimethylethoxysilane?
The CAS number of Dimethylethoxysilane is 14857-34-2.
What are the molecular formula and molecular weight of Dimethylethoxysilane?
Dimethylethoxysilane has molecular formula C4H12OSi and molecular weight 104.223 g/mol.
What are the upstream and downstream products of Dimethylethoxysilane?
For Dimethylethoxysilane, Upstream Products: Ethanol, Dodecamethylcyclohexasilane, Chlorodimethylsilane; Downstream Products: nitrobenzene, Anisole, Diethoxydimethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Dimethylethoxysilane (CAS 14857-34-2)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-40993-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.