%0 Journal Article %A Ramadan Ali Bawa and Ebtisam Mohammed Alzaraide %D 2014 %J International Journal of Chemical and Molecular Engineering %B World Academy of Science, Engineering and Technology %I Open Science Index 87, 2014 %T Study of the Azo Hydrazone Tautomerism in the 4-(9-Anthrylazo) Phenol %U https://publications.waset.org/pdf/9997988 %V 87 %X The spectroscopic study on 4-(9-anthrylazo) phenol has revealed that the azo dye under study exists in two tautomeric forms which are azo phenol and hydrazo keto forms in ratio of almost (1:1). The azo hydrazone tautomerism was confirmed by the use of IR spectroscopy and HNMR in which the characteristic absorption bands and chemical shifts for both tautomers were assigned. %P 241 - 243