4-[(Trimethylsilyl)ethynyl]benzonitrile

Also known as: 4-(2'-trimethylsilylethynyl)benzonitrile, 4-(2-trimethylsilylethynyl)benzonitrile, 4-(trimethylsilanylethynyl)benzonitrile, 4-TRIMETHYLSILYLETHYNYLBENZONITRILE, Benzonitrile, 4-[2-(trimethylsilyl)ethynyl]-, Benzonitrile,4-[(trimethylsilyl)ethynyl], p-[(trimethylsilyl)ethynyl]benzonitrile, {(4-cyanophenyl)ethynyl}trimethylsilane

4-[(Trimethylsilyl)ethynyl]benzonitrile (CAS 75867-40-2) is a compound in the Aliphatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H13NSi and a molecular weight of 199.32400 g/mol. Key properties include a melting point of 107-111ºC, a boiling point of 266.154ºC at 760 mmHg, a density of 0.992g/cm3 and a flash point of 114.766ºC. 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 Aug 21, 2026.

CAS No.

75867-40-2

Jingsj CID

J-1076339-0

Molecular Formula

C₁₂H₁₃NSi

Molecular Weight

199.32400 g/mol

Category

Aliphatic Hydrocarbons

Last updated

8/21/2026