Allyltriethoxysilane
Also known as: triethoxyallylsilane, triethoxy(prop-2-enyl)silane, 3-(Triethoxysilyl)prop-1-ene, 3-Triethoxysilyl-1-propene, Allyl(triethoxy)silane, Silane, triethoxy-2-propenyl-, Silane, triethoxy-2-propen-1-yl-, triethoxy-2-propenyl-silane, MFCD00009064, EINECS 219-843-2
Allyltriethoxysilane (CAS 2550-04-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H20O3Si and a molecular weight of 204.339 g/mol. Key properties include a boiling point of 181.5±9.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 21.1±0.0 °C. It is classified under GHS with signal word Danger and hazard statements H225 — Highly flammable liquid and vapour, H315 — Causes skin irritation and H319 — Causes serious eye irritation. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 2550-04-1
- Jingsj CID
- J-6728-7
- Molecular Formula
- C9H20O3Si
- Molecular Weight
- 204.339 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 181.5±9.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 21.1±0.0 °C |
| Exact Mass | 204.118164 |
| PSA | 27.69000 |
| LogP | 2.56 |
| Additional Property | >1 (vs air) |
| Vapor Pressure | 1.2±0.3 mmHg at 25°C |
| Refractive Index | 1.420 |
GHS Safety & Compliance
- H225 — Highly flammable liquid and vapour
- H315 — Causes skin irritation
- H319 — Causes serious eye irritation
- H335 — May cause respiratory irritation
Frequently Asked Questions
What is the CAS number of Allyltriethoxysilane?
The CAS number of Allyltriethoxysilane is 2550-04-1.
What are the molecular formula and molecular weight of Allyltriethoxysilane?
Allyltriethoxysilane has molecular formula C9H20O3Si and molecular weight 204.339 g/mol.
Is Allyltriethoxysilane hazardous?
Allyltriethoxysilane has GHS signal word Danger and hazard statements H225 — Highly flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of Allyltriethoxysilane?
For Allyltriethoxysilane, Upstream Products: Allyltrichlorosilane, Ethanol, Tetraethyl orthosilicate; Downstream Products: 1-Allyl-3,5,7,9,11,13,15-heptaisobutylpentacyclo[9.5.1.1(3,9).1(5,15).1(7,13)]octasiloxane, 3-Mercaptopropyltriethoxysilane, Bis(triethoxysilylpropyl) disulfide.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Allyltriethoxysilane (CAS 2550-04-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-6728-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.