Trimethyl(pentafluoroethyl)silane

(五氟乙基)三甲基硅烷

Also known as: (Pentafluoroethyl)trimethylsilane, Trimethyl(perfluoroethyl)silane, Silane, trimethyl(1,1,2,2,2-pentafluoroethyl)-, trimethyl(1,1,2,2,2-pentafluoroethyl)silane, Pentafluoro(trimethylsilyl)ethane, (Perfluoroethyl)trimethylsilane, Trimethylpentafluoroethylsilane

Trimethyl(pentafluoroethyl)silane (CAS 124898-13-1) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C5H9F5Si and a molecular weight of 192.202 g/mol. It is also known as (Pentafluoroethyl)trimethylsilane, Trimethyl(perfluoroethyl)silane and Silane, trimethyl(1,1,2,2,2-pentafluoroethyl)-. Key properties include a boiling point of 43.4±40.0 °C at 760 mmHg, a density of 1.1±0.1 g/cm3 and a flash point of -20.0±27.3 °C. GHS signal word: Danger. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.
124898-13-1
Jingsj CID
J-26564-3
Molecular Formula
C5H9F5Si
Chinese Name
(五氟乙基)三甲基硅烷
Molecular Weight
192.202 g/mol
Category
Aliphatic Hydrocarbons
Last updated
8/21/2026

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Physicochemical Properties

Boiling Point43.4±40.0 °C at 760 mmHg
Density1.1±0.1 g/cm3
Flash Point-20.0±27.3 °C

GHS Safety & Compliance

Flammable / IrritantSignal word: Danger

Frequently Asked Questions

What is the CAS number of Trimethyl(pentafluoroethyl)silane?

The CAS number of Trimethyl(pentafluoroethyl)silane is 124898-13-1.

What are the molecular formula and molecular weight of Trimethyl(pentafluoroethyl)silane?

Trimethyl(pentafluoroethyl)silane has molecular formula C5H9F5Si and molecular weight 192.202 g/mol.

Is Trimethyl(pentafluoroethyl)silane hazardous?

Trimethyl(pentafluoroethyl)silane has GHS signal word Danger.

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

Last updated:

How to cite: Jingsj. "Trimethyl(pentafluoroethyl)silane (CAS 124898-13-1)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-26564-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.