CAS 5112-95-8 appears in our catalog under these names: 1,2-Bis(diphenylphosphaneyl)ethyne, >95.0%(GC)(T), 1,2-Bis(diphenylphosphino)ethyne 98%, BIS(DIPHENYLPHOSPHINO)ACETYLENE, 98%, BIS(DIPHENYLPHOSPHINO)ACETYLENE, 98%, 98%, BIS(DIPHENYLPHOSPHINO)ACETYLENE, 97%. Offered by: TCI, Ambeed, Sigma-Aldrich, Chemat, Fluorochem. Available pack sizes: 250mg, 1g, 5g, 10g.