(3-Trimethylsilyl-2-propynyl)triphenylphosphonium bromide

(3-三甲基硅基-2-丙炔基)三苯基溴化膦

Also known as: Triphenyl(3-(trimethylsilyl)prop-2-yn-1-yl)phosphonium bromide, Triphenyl[3-(trimethylsilyl)-2-propyn-1-yl]phosphonium bromide, (Trimethylsilylpropargyl)triphenylphosphonium bromide, Phosphonium, triphenyl[3-(trimethylsilyl)-2-propyn-1-yl]-, bromide (1:1), MFCD00012029

(3-Trimethylsilyl-2-propynyl)triphenylphosphonium bromide (CAS 42134-49-6) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C24H26BrPSi and a molecular weight of 453.427 g/mol. It is also known as Triphenyl(3-(trimethylsilyl)prop-2-yn-1-yl)phosphonium bromide, Triphenyl[3-(trimethylsilyl)-2-propyn-1-yl]phosphonium bromide and (Trimethylsilylpropargyl)triphenylphosphonium bromide. Key property: a melting point of 166-167 °C (dec.)(lit.). GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

42134-49-6

Jingsj CID

J-1354959-6

Molecular Formula

C₂₄H₂₆BrPSi

Chinese Name

(3-三甲基硅基-2-丙炔基)三苯基溴化膦

Molecular Weight

453.427 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026