Ethoxytrimethylsilane
Also known as: Trimethylethoxysilane, Ethoxy(trimethyl)silane, Trimethylsilyl ethyl ether, Ethyl trimethylsilyl ether, Trimethylsilyl ethoxide, Silane, ethoxytrimethyl-, Silane, trimethylethoxy-, Three Methylsilane, UNII-82883M7A40
Ethoxytrimethylsilane (CAS 1825-62-3) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H14OSi and a molecular weight of 118.250 g/mol. Key properties include a melting point of -83°C, a boiling point of 75.5±0.0 °C at 760 mmHg, a density of 0.8±0.1 g/cm3 and a flash point of -18.9±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H302 — Harmful if swallowed and H315 — Causes skin irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 1825-62-3
- Jingsj CID
- J-44720-1
- Molecular Formula
- C5H14OSi
- Molecular Weight
- 118.250 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | -83°C |
|---|---|
| Boiling Point | 75.5±0.0 °C at 760 mmHg |
| Density | 0.8±0.1 g/cm3 |
| Flash Point | -18.9±0.0 °C |
| Exact Mass | 118.081390 |
| PSA | 9.23000 |
| LogP | 2.15 |
| Vapor Pressure | 115.1±0.1 mmHg at 25°C |
| Refractive Index | 1.382 |
| Additional Property | reacts |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H302 — Harmful if swallowed
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
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 Ethoxytrimethylsilane?
The CAS number of Ethoxytrimethylsilane is 1825-62-3.
What are the molecular formula and molecular weight of Ethoxytrimethylsilane?
Ethoxytrimethylsilane has molecular formula C5H14OSi and molecular weight 118.250 g/mol.
Is Ethoxytrimethylsilane hazardous?
Ethoxytrimethylsilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H302 — Harmful if swallowed; H315 — Causes skin irritation.
What are the upstream and downstream products of Ethoxytrimethylsilane?
For Ethoxytrimethylsilane, Upstream Products: Chlorotrimethylsilane, Ethanol, 1,1,1,3,3,3-Hexamethyldisilazane; Downstream Products: Tetradecamethylhexasiloxane, Octamethyltrisiloxane, Decamethyltetrasiloxane.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Ethoxytrimethylsilane (CAS 1825-62-3)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-44720-1 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.