Thiosemicarbazide and its derivatives as promising corrosion inhibitors: A Mini-Review

• A.A. Al-Amiery^1,2, A.Y.I. Rubaye³, A.A.H. Kadhum⁴ and W.K. Al-Azzawi⁵

¹ Energy and Renewable Energies Technology Center, University of Technology, Baghdad 10001, Iraq
² Faculty of Engineering and Built Environment, Universiti Kebangsaan Malaysia, Bangi, Selangor 43600, Malaysia
³ Chemical and Petrochemical Techniques engineering Department, Basra Engineering Technical College, Southern Technical University, Basra 61004, Iraq
⁴ Dijlah University College, Baghdad 10001, Iraq
⁵ Department of Medical instruments engineering techniques, Al-Farahidi University, Baghdad 10001, Iraq

Abstract: Thiosemicarbazide is a promising corrosion inhibitor due to its excellent inhibitive properties, low toxicity, and cost-effectiveness. This mini-review highlights the chemical structure, properties, and corrosion inhibition mechanism of thiosemicarbazide. Various experimental studies have been carried out to investigate the corrosion inhibition performance of thiosemicarbazide on different metal surfaces, such as carbon steel, aluminum, and copper, in different corrosive environments, including acidic, alkaline, and saline solutions. The review also discusses the effect of different parameters, such as concentration, immersion time, temperature, and pH, on the corrosion inhibition efficiency of thiosemicarbazide. Overall, the results show that thiosemicarbazide is a highly effective corrosion inhibitor, and its inhibition performance is comparable to other well-known inhibitors. Finally, the review concludes by highlighting the future research directions in the field of thiosemicarbazide-based corrosion inhibitors.

Keywords: thiosemicarbazide, corrosion inhibitor, mechanism, chemical structure, inhibition efficiency

Int. J. Corros. Scale Inhib., 2023, 12, no. 2, 597-620
doi: 10.17675/2305-6894-2023-12-2-12

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