Synthesis of New Guanidine Benzothiazole Derivative and Its Application as Eco-Friendly Corrosion Inhibitor | ||||
| Egyptian Journal of Chemistry | ||||
| Volume 66, Issue 7, July 2023, Page 187-195 PDF (411.27 K) | ||||
| Document Type: Original Article | ||||
| DOI: 10.21608/ejchem.2022.167419.7063 | ||||
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| Authors | ||||
Amal M. Abdel-karim 1; Rasha A. Azzam 2; Omnia El-Said Shehata  3; mohamed A, adly4; Omnia A. A. El-Shamy 5; Gamal A El mahdy2
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| 1Physical Chemistry Department, Electrochemistry and Corrosion Lab., National Research Centre, El-Bohouth St. 33, Dokki, P.O. 12622, Giza, Egypt | ||||
| 2Chemistry, Faculty of Science, Helwan University | ||||
| 3Physical Chemistry Department, Electrochemistry and Corrosion Lab., National Research Centre, El-Bohouth St. 33, Dokki, P.O. 12622, Giza, Egypt | ||||
| 4department head of khaldapetroleum company | ||||
| 5Egyptian Petroleum Research Institute | ||||
| Abstract | ||||
| In this study, new derivatives of guanidine benzothiazole, benzo[d]thiazol-2-yl-carbamidioyl-N,N-dimethylformimidamide (GBC),was synthesized under eco-friendly procedural conditions. These derivatives showed an efficient activity as a corrosion inhibitor for carbon steel in acidic medium. The structure was confirmed using FTIR, 1HNMR and 13C NMR analysis techniques. The corrosion inhibition behavior of the synthesized compound was investigated using electrochemical techniques such as potentiodynamic polarization. Surface morphological features were studied using scanning electron microscope (SEM) coupled with (EDX). DFT theory was studied to compute theoretical parameters that related to the electronic properties of GBC and shows a good correlation with experimental data. | ||||
| Keywords | ||||
| Guanidine benzothiazole; potentiodynamic polarization; scanning electron microscope; Quantum Chemical Chemistry | ||||
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