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(4-fluorophenylethynyl)trimethylsilane

Also known as: (2-(4-fluorophenyl)ethynyl)trimethylsilane, 2-(4-fluorophenyl)ethynyl-trimethylsilane, 4-(trimethylsilylethynyl)fluorobenzene, 1-fluoro-4-[(2-trimethylsilyl)ethynyl]benzene, 1-(4-fluorophenyl)-2-trimethylsilylacetylene, [(4-fluorophenyl)ethynyl]trimethylsilane, Benzene, 1-fluoro-4-[2-(trimethylsilyl)ethynyl]-

(4-fluorophenylethynyl)trimethylsilane (CAS 130995-12-9) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C11H13FSi and a molecular weight of 192.30500 g/mol. Key properties include a boiling point of 40ºC0.1 mm Hg(lit.), a density of 0.948 g/mL at 25ºC(lit.) and a flash point of 90.6 °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. No supplier offers are currently listed; request a quote. Record last updated Nov 2, 2026.

CAS No.
130995-12-9
Jingsj CID
J-10257-8
Molecular Formula
C11H13FSi
Molecular Weight
192.30500 g/mol
Category
Aromatic Hydrocarbons
Last updated
11/2/2026
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Physicochemical Properties

Boiling Point40ºC0.1 mm Hg(lit.)
Density0.948 g/mL at 25ºC(lit.)
Flash Point90.6 °C
Exact Mass192.07700
LogP3.05460
AppearanceLiquid | Colorless
Vapor Pressure0.449mmHg at 25°C
Refractive Indexn20/D 1.5090(lit.)

GHS Safety & Compliance

IrritantSignal word: Warning
  • H315 — Causes skin irritation
  • H319 — Causes serious eye irritation
  • H335 — May cause respiratory irritation

Frequently Asked Questions

What is the CAS number of (4-fluorophenylethynyl)trimethylsilane?

The CAS number of (4-fluorophenylethynyl)trimethylsilane is 130995-12-9.

What are the molecular formula and molecular weight of (4-fluorophenylethynyl)trimethylsilane?

(4-fluorophenylethynyl)trimethylsilane has molecular formula C11H13FSi and molecular weight 192.30500 g/mol.

Is (4-fluorophenylethynyl)trimethylsilane hazardous?

(4-fluorophenylethynyl)trimethylsilane has GHS signal word Warning and hazard statements H315 — Causes skin irritation; H319 — Causes serious eye irritation; H335 — May cause respiratory irritation.

What are the upstream and downstream products of (4-fluorophenylethynyl)trimethylsilane?

For (4-fluorophenylethynyl)trimethylsilane, Upstream Products: 4-Fluoroiodobenzene, Trimethylsilylacetylene, 1-Bromo-4-fluorobenzene; Downstream Products: 4'-Fluoroacetophenone, 3-(4-Fluorophenyl)-2-propyn-1-ol, 4-Fluorophenylacetylene.

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

Last updated:

How to cite: Jingsj. "(4-fluorophenylethynyl)trimethylsilane (CAS 130995-12-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-10257-8 (accessed 2026-11-09).

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