n-Propyltriethoxysilane
Also known as: Propyltriethoxysilane, Triethoxy(propyl)silane, Triethoxy-n-propylsilane, Triethoxypropylsilane, 1-triethoxysilylpropane, DYNASYLAN PTEO
n-Propyltriethoxysilane (CAS 2550-02-9) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H22O3Si and a molecular weight of 206.355 g/mol. Key properties include a boiling point of 168.4±8.0 °C at 760 mmHg, a density of 0.9±0.1 g/cm3 and a flash point of 61.0±21.3 °C. It is classified under GHS with signal word Warning and hazard statements H226 — 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.
- 2550-02-9
- Jingsj CID
- J-21212-4
- Molecular Formula
- C9H22O3Si
- Molecular Weight
- 206.355 g/mol
- Category
- Aliphatic Hydrocarbons
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Boiling Point | 168.4±8.0 °C at 760 mmHg |
|---|---|
| Density | 0.9±0.1 g/cm3 |
| Flash Point | 61.0±21.3 °C |
| Exact Mass | 206.133820 |
| PSA | 27.69000 |
| LogP | 2.79 |
| Vapor Pressure | 2.1±0.3 mmHg at 25°C |
| Refractive Index | 1.412 |
GHS Safety & Compliance
- H226 — Flammable liquid and vapour
- 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 n-Propyltriethoxysilane?
The CAS number of n-Propyltriethoxysilane is 2550-02-9.
What are the molecular formula and molecular weight of n-Propyltriethoxysilane?
n-Propyltriethoxysilane has molecular formula C9H22O3Si and molecular weight 206.355 g/mol.
Is n-Propyltriethoxysilane hazardous?
n-Propyltriethoxysilane has GHS signal word Warning and hazard statements H226 — Flammable liquid and vapour; H315 — Causes skin irritation; H319 — Causes serious eye irritation.
What are the upstream and downstream products of n-Propyltriethoxysilane?
For n-Propyltriethoxysilane, Upstream Products: Triethoxysilane, Allyl chloride, Tetraethyl orthosilicate.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "n-Propyltriethoxysilane (CAS 2550-02-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-21212-4 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.