Biologically active 1-(1-Phenyl-1H-[1,2,3]triazol-4-yl)-ethan-1-one as a potent carbon steel protector from acidic environment and its synergistic effect with cerium salt

Authors

• Natesan Punitha, PG and Research Department of Chemistry, Rajah Serfoji Government College (Autonomous), Thanjavur ˗ 613005, Tamil Nadu, India. (Affiliated to Bharathidasan University, Thiruchirappalli˗620 024, Tamil Nadu, India)Follow
• Natesan Maheswari, Department of Mathematics, Kalaignar Karunanidhi Government Arts College for Women (Autonomous) Pudukkottai – 622 001, Tamil Nadu, India. (Affiliated to Bharathidasan University, Thiruchirappalli˗620 024, Tamil Nadu, India)Follow
• Ayyapillai Thamizhanban, Department of Chemistry, Thiru. Vi. Ka. Government Arts College, Thiruvarur-610 003, Tamilnadu, India. (Affiliated to Bharathidasan University, Thiruchirappalli˗620 024, Tamil Nadu, India)
• Manoharan Anitha, PG and Research Department of Chemistry, Rajah Serfoji Government College (Autonomous), Thanjavur ˗ 613005, Tamil Nadu, India. (Affiliated to Bharathidasan University, Thiruchirappalli˗620 024, Tamil Nadu, India).Follow
• Kaliyaperoumal Veeravelan, Vel Tech Multi Tech Dr. Rangarajan Dr. Sakunthala Engineering College (Autonomous), Chennai, Tamil Nadu, IndiaFollow
• Achudhanandan Parvathi Priya, R. M. K. Engineering College, Thiruvallur-601206, Chennai, Tamil Nadu, IndiaFollow
• Manickam Mangalam, PG and Research Department of Chemistry, Rajah Serfoji Government College (Autonomous), Thanjavur ˗ 613005, Tamil Nadu, India. (Affiliated to Bharathidasan University, Thiruchirappalli˗620 024, Tamil Nadu, India)Follow
• Athimoolam Sivakumar, PG and Research Department of Chemistry, Rajah Serfoji Government College (Autonomous), Thanjavur ˗ 613005, Tamil Nadu, India. (Affiliated to Bharathidasan University, Thiruchirappalli˗620 024, Tamil Nadu, India)Follow

Article Type

Research Paper

Corresponding Author

N. Punitha

Abstract

This work investigates the corrosion inhibition behavior of the bioactive compound 1- (1-Phenyl-1H-[1,2,3]triazol-4-yl)-ethan-1-one (PTE) on carbon steel (CS) in HCl medium. . 1H NMR and 13C NMR confirmed the structure of PTE. The inhibition performance was evaluated using gravimetric, electrochemical, and surface analytical techniques. The results demonstrate that inhibition efficiency increases with inhibitor concentration and decreases with rising temperature. Thermodynamic and adsorption studies reveal that PTE adsorbs spontaneously on the carbon steel surface, following the Langmuir adsorption isotherm. Electrochemical measurements indicate that PTE functions as a mixed-type inhibitor. Surface characterization by SEM–EDAX and AFM confirms the formation of a protective inhibitor film on the steel surface. Density functional theory calculations support the experimental observations by elucidating the electronic properties responsible for adsorption. Furthermore, the presence of CeCl₃ exhibits a synergistic effect, significantly enhancing corrosion protection at low PTE concentration. The antimicrobial activity of PTE was also confirmed using the disc diffusion method, highlighting its multifunctional potential.

Keywords

1, 2, 3-triazole; Synergism; carbon steel; EIS; PDP; DFT

Recommended Citation

Punitha, Natesan; Maheswari, Natesan; Thamizhanban, Ayyapillai; Anitha, Manoharan; Veeravelan, Kaliyaperoumal; Parvathi Priya, Achudhanandan; Mangalam, Manickam; and Sivakumar, Athimoolam (2026) "Biologically active 1-(1-Phenyl-1H-[1,2,3]triazol-4-yl)-ethan-1-one as a potent carbon steel protector from acidic environment and its synergistic effect with cerium salt," Egyptian Journal of Petroleum: Vol. 35 : Iss. 2 , Article 13.
Available at: https://doi.org/10.62593/2090-2468.1113

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