Indian Association for the Cultivation of Science, Calcutta-32 Department of Pure Chemistry, University College of Science. Calcutta-9 Manuscript received 29 November 1971; revised 31 January 1973; accepted 6 April 1973 The present communication describes the synthesis of the compounds of the bis-schiff base from 5-formyloine and benzidine with metallic ions like Cu2+, Ni2+, Co2+, Mn+2, Zn2+, Cd2+ and Uo22+. Probable structures of the compounds have been discussed from thermal stability and infrared spectral data.