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Propyltriacetoxysilane

Also known as: Propylsilanetriyl triacetate, n-Propyltriacetoxysilane, Triacetoxypropylsilane, Propylsilanetriol triacetate, Silanetriol, 1-propyl-, triacetate, Silanetriol, propyl-, triacetate, Tris-acetoxy-propyl-silan, propyltris(ethanoyloxy)silane

Propyltriacetoxysilane (CAS 17865-07-5) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C9H16O6Si and a molecular weight of 248.305 g/mol. Key properties include a boiling point of 236.2±9.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of 80.4±14.3 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
17865-07-5
Jingsj CID
J-1517582-3
Molecular Formula
C9H16O6Si
Molecular Weight
248.305 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point236.2±9.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point80.4±14.3 °C
Exact Mass248.071609
PSA78.90000
LogP2.43
AppearanceNA
Vapor Pressure0.0±0.5 mmHg at 25°C
Refractive Index1.431

Customs & Trade Information

HS Code2931900090
Summary2931900090. 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 Propyltriacetoxysilane?

The CAS number of Propyltriacetoxysilane is 17865-07-5.

What are the molecular formula and molecular weight of Propyltriacetoxysilane?

Propyltriacetoxysilane has molecular formula C9H16O6Si and molecular weight 248.305 g/mol.

What are the upstream and downstream products of Propyltriacetoxysilane?

For Propyltriacetoxysilane, Upstream Products: Trichloropropylsilane, Silver acetate, acetic acid.

Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.

Last updated:

How to cite: Jingsj. "Propyltriacetoxysilane (CAS 17865-07-5)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-1517582-3 (accessed 2026-11-09).

Data for reference only; verify product details with suppliers before purchase.