Ethyltrimethylsilane
Also known as: Ethyltrimethylsilane, Trimethylethylsilane, Silane, ethyltrimethyl-, ethyl(trimethyl)silane, trimethylsilylethane, ETHYLTRIMETHYLSILANE, TRIMETHYLETHYLSILANE, ETHYL-TRIMETHYL-SILANE
Ethyltrimethylsilane (CAS 3439-38-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H14Si and a molecular weight of 102.250 g/mol. Key properties include a boiling point of 58.7±3.0 °C at 760 mmHg, a density of 0.7±0.1 g/cm3 and a flash point of -26.2±10.6 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 3439-38-1
- Jingsj CID
- J-1177823-7
- Molecular Formula
- C5H14Si
- Molecular Weight
- 102.250 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 58.7±3.0 °C at 760 mmHg |
|---|---|
| Density | 0.7±0.1 g/cm3 |
| Flash Point | -26.2±10.6 °C |
| Exact Mass | 102.086479 |
| LogP | 3.37 |
| Vapor Pressure | 219.9±0.1 mmHg at 25°C |
| Refractive Index | 1.379 |
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 Ethyltrimethylsilane?
The CAS number of Ethyltrimethylsilane is 3439-38-1.
What are the molecular formula and molecular weight of Ethyltrimethylsilane?
Ethyltrimethylsilane has molecular formula C5H14Si and molecular weight 102.250 g/mol.
What are the upstream and downstream products of Ethyltrimethylsilane?
For Ethyltrimethylsilane, Upstream Products: Benzyl alcohol, Vinyltrimethylsilane, Trichloro(ethyl)silane; Downstream Products: Methoxytrimethylsilane, Hexamethyldisilane, Tetramethylsilane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethyltrimethylsilane (CAS 3439-38-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1177823-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.