Spectrophotometric Determination of Diphenylamine,Pyrrole, and Indole - A Kinetic Study

Abstract

The use of p-dimethylaminocinnamaldehyde (p-DAC) has been described for the colorimetric determination of diphenylamine (DPA), Pyrrole (Py) and Indole (In) in acidic media. The kinetics of the reactions were studied and a mechanism for the reactions has been proposed. The reaction products were isolated, and identified using IR, NMR and elemental analysis.