Ethyltrimethoxysilane
乙基三甲氧基硅烷
Also known as: trimethoxyethylsilane, Ethyl(trimethoxy)silane, Silane, ethyltrimethoxy-, EINECS 226-172-9, MFCD00051541
Ethyltrimethoxysilane (CAS 5314-55-6) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H14O3Si and a molecular weight of 150.248 g/mol. It is also known as trimethoxyethylsilane, Ethyl(trimethoxy)silane and Silane, ethyltrimethoxy-. Key properties include a boiling point of 124.3±0.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 24.2±21.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 5314-55-6
- Jingsj CID
- J-20366-7
- Molecular Formula
- C5H14O3Si
- Chinese Name
- 乙基三甲氧基硅烷
- Molecular Weight
- 150.248 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 124.3±0.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 24.2±21.3 °C |
| Exact Mass | 150.071213 |
| PSA | 27.69000 |
| LogP | 0.67 |
| Vapor Pressure | 15.5±0.2 mmHg at 25°C |
| Refractive Index | 1.388 |
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 Ethyltrimethoxysilane?
The CAS number of Ethyltrimethoxysilane is 5314-55-6.
What are the molecular formula and molecular weight of Ethyltrimethoxysilane?
Ethyltrimethoxysilane has molecular formula C5H14O3Si and molecular weight 150.248 g/mol.
What are the upstream and downstream products of Ethyltrimethoxysilane?
For Ethyltrimethoxysilane, Upstream Products: Trimethoxysilane, Trichloro(ethyl)silane, Sodium methoxide.
Data compiled from public chemical databases and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyltrimethoxysilane (CAS 5314-55-6)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-20366-7 (accessed 2026-10-29).
Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.