1H,1H,2H,2H-Perfluorooctyltriethoxysilane

Also known as: Triethoxy(3,3,4,4,5,5,6,6,7,7,8,8,8-tridecafluorooctyl)silane, Triethoxy(1H,1H,2H,2H-perfluoro-1-octyl)silane, 1H,1H,2H,2H-Tridecafluoro-n-octyltriethoxysilane, Triethoxy-1H,1H,2H,2H-perfluoro-n-octylsilane, Triethoxy-1H,1H,2H,2H-tridecafluoro-n-octylsilane, 2-(Tridecafluorohexyl)ethyltriethoxysilane, Perfluorooctyltriethoxysilane, DYNASYLAN F8261, DYNASYLAN F8262, F-8261

1H,1H,2H,2H-Perfluorooctyltriethoxysilane (CAS 51851-37-7) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C14H19F13O3Si and a molecular weight of 510.364 g/mol. Key properties include a melting point of <-38ºC, a boiling point of 272.4±40.0 °C at 760 mmHg, a density of 1.3±0.1 g/cm3 and a flash point of 118.5±27.3 °C. It is classified under GHS with signal word Warning and hazard statements H315 — Causes skin irritation, H319 — Causes serious eye irritation and H335 — May cause respiratory irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Nov 3, 2026.

CAS No.: 51851-37-7
Jingsj CID: J-41040-2
Molecular Formula: C₁₄H₁₉F₁₃O₃Si
Molecular Weight: 510.364 g/mol
Category: Aliphatic Hydrocarbons
Last updated: 11/3/2026

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Physicochemical Properties

Melting Point	<-38ºC
Boiling Point	272.4±40.0 °C at 760 mmHg
Density	1.3±0.1 g/cm3
Flash Point	118.5±27.3 °C
Exact Mass	510.089600
PSA	27.69000
LogP	7.10
Vapor Pressure	0.0±0.5 mmHg at 25°C
Refractive Index	1.349

GHS Safety & Compliance

IrritantSignal word: Warning

H315 — Causes skin irritation
H319 — Causes serious eye irritation
H335 — May cause respiratory irritation
H413

Frequently Asked Questions

What is the CAS number of 1H,1H,2H,2H-Perfluorooctyltriethoxysilane?

The CAS number of 1H,1H,2H,2H-Perfluorooctyltriethoxysilane is 51851-37-7.

What are the molecular formula and molecular weight of 1H,1H,2H,2H-Perfluorooctyltriethoxysilane?

1H,1H,2H,2H-Perfluorooctyltriethoxysilane has molecular formula C14H19F13O3Si and molecular weight 510.364 g/mol.

Which suppliers offer 1H,1H,2H,2H-Perfluorooctyltriethoxysilane?

1 supplier(s) listed; request a quote for pricing.

Is 1H,1H,2H,2H-Perfluorooctyltriethoxysilane hazardous?

1H,1H,2H,2H-Perfluorooctyltriethoxysilane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

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

Last updated: 11/3/2026

How to cite: Jingsj. "1H,1H,2H,2H-Perfluorooctyltriethoxysilane (CAS 51851-37-7)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-41040-2 (accessed 2026-11-09).

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