Bis(diphenylphosphino)acetylene

双(二苯基膦)乙炔

Also known as: 1,2-Bis(diphenylphosphino)ethyne, 1,2-Bis(diphenylphosphino)acetylene, Bis(diphenylphosphino)ethyne, Ethynylenebis(diphenylphosphine), ((Diphenylphosphino)ethynyl)diphenylphosphine, 2-Diphenylphosphanylethynyl(diphenyl)phosphane, Phosphine, 1,1'-(1,2-ethynediyl)bis[1,1-diphenyl-, Phosphine, 1,2-ethynediylbis[diphenyl-

Bis(diphenylphosphino)acetylene (CAS 5112-95-8) is a compound in the Aromatic Hydrocarbons category listed in the Jingsj chemical database. It has the molecular formula C26H20P2 and a molecular weight of 394.38500 g/mol. It is also known as 1,2-Bis(diphenylphosphino)ethyne, 1,2-Bis(diphenylphosphino)acetylene and Bis(diphenylphosphino)ethyne. Key properties include a melting point of 86-88 °C(lit.), a boiling point of 529.6ºCat 760 mmHg and a flash point of 291.4ºC. GHS signal word: Warning. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.

CAS No.

5112-95-8

Jingsj CID

J-1510986-0

Molecular Formula

C₂₆H₂₀P₂

Chinese Name

双(二苯基膦)乙炔

Molecular Weight

394.38500 g/mol

Category

Aromatic Hydrocarbons

Last updated

8/21/2026