3-(trimethylsilyl)ethynylbenzaldehyde

3-(三甲基硅基)乙炔基苯甲醛

Also known as: 3-(TRIMETHYLSILYL)ETHYNYLBENZALDEHYDE, 3-(2-trimethylsilylethynyl)benzaldehyde, 3-TMS-ethynylbenzaldehyde, 3-[2-(trimethylsilyl)ethynyl]benzaldehyde, Benzaldehyde, 3-[2-(trimethylsilyl)ethynyl]-, GL-0047

3-(trimethylsilyl)ethynylbenzaldehyde (CAS 77123-55-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C12H14OSi and a molecular weight of 202.32400 g/mol. It is also known as 3-(TRIMETHYLSILYL)ETHYNYLBENZALDEHYDE, 3-(2-trimethylsilylethynyl)benzaldehyde and 3-TMS-ethynylbenzaldehyde. Key properties include a boiling point of 518.8ºC at 760 mmHg, a density of 1.47 g/cm3 and a flash point of 267.6ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

77123-55-8

Jingsj CID

J-1481742-7

Molecular Formula

C₁₂H₁₄OSi

Chinese Name

3-(三甲基硅基)乙炔基苯甲醛

Molecular Weight

202.32400 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026