公开(公告)号：ES2125381T3

公开(公告)日：1999-03-01

申请号：ES94112169

申请日：1994-08-04

Applicant: BASF AG

Inventor： HERMELING DR DIETER ,  BASSLER DR PETER ,  HAMMES DR PETER ,  HUGO RANDOLF ,  LECHTKEN DR PETER ,  SIEGEL DR HARDO

IPC: F16B7/18 ,  B01J31/02 ,  C07F9/50 ,  C07F9/535 ,  E04B1/19 ,  E04B1/342 ,  E04B1/58 ,  F16B9/02

Abstract: Preparation of triphenylphosphine (TPP) by reaction of triphenylphosphine dichloride (TPPCl2) with magnesium, aluminium and/or iron in the presence of an inert solvent by employing a TPPCl2 solution whose content of phosgene, chlorine, diphosgene, hydrogen chloride, thionyl chloride, sulphuryl chloride, phosphorus trichloride, phosphorus oxychloride and/or aliphatic halogen compounds ("active chlorine compounds") in total is below 1000 ppm of Cl.