Effect of Pyridine and Tribenzylamine on the Hydrolysis Kinetics of Benzoyl Chloride in Water-Dioxane System

Mohammad A. Batiha1,*, Elena A. Chizhova2, Marwan M. Batiha1, Leema A. Al-Makhadmeh1, Saleh Rawadieh1, Muawia Alqasaimeh3 and Abdullah Marashli1

1Faculty of Engineering, Al-Hussein Bin Talal University, 71111 Ma'an, Jordan

2Ivanovo State University of Chemistry and Technology, 153000, Ivanovo, Russia

3Faculty of Science, Al-Hussein Bin Talal University, 71111 Ma'an, Jordan

*Corresponding author: E-mail: mbatiha@ahu.edu.jo


The aim of this paper was to study the effect of tribenzylamine and pyridine on the kinetics of the hydrolysis reaction of benzoyl chloride in water-dioxane solution. The benzoyl chloride and water initial concentrations were 0.005 and 1 mol/L, respectively. While, the initial concentrations of pyridine and tribenzylamine varied in the range of 0.005-0.02 mol/L and 0.007-0.014 mol/L, respectively. It was found that the addition of tribenzylamine to benzoyl chloride hydrolysis reaction has no catalytic effect and hence the rate constant can be calculated using a first-order rate equation. In the presence of pyridine, reaction obeyed second-order rate. The relationship between the reaction rate constant and pyridine initial concentration was found to be linear with a rate constant of 0.752 × 10–3 min–1.


Benzoyl chloride, Hydrolysis kinetics, Tertiary amines, Tribenzylamine, Water-dioxane solutions.

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