EventsThe 23rd International Electronic Conference on Synthetic Organic Chemistry
Event submissions
Published
with-doi10.3390/ecsoc-23-06477
This submission belongs to the session A. General Organic Synthesis of the event The 23rd International Electronic Conference on Synthetic Organic Chemistry
Published date
14 Nov, 2019
Citation
Ahmed A. Al-Amiery, Fanar G. Hashim, Khalida F. Al-Azawi, Shymaa Al-Bghdadi, lina M. Shaker, Experimental and theoretical approach to the corrosion inhibition of mild steel in HCl solution by a newly coumarin, in Proceedings of The 23rd International Electronic Conference on Synthetic Organic Chemistry, 15 November–15 December 2019, MDPI: Basel, Switzerland, doi: 10.3390/ecsoc-23-06477
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Experimental and theoretical approach to the corrosion inhibition of mild steel in HCl solution by a newly coumarin

Fanar G. Hashim 1
Khalida F. Al-Azawi 2
Shymaa Al-Bghdadi 3
lina M. Shaker 3
image
Ahmed A. Al-Amiery 4
1. 1 Applied Science Department, University of Technology, Baghdad 10001, Iraq
2. Applied Science Department, University of Technology, Baghdad 10001, Iraq
3. Energy and Renewable Energies Technology Center, University of Technology, Baghdad 10001, Iraq
4. Department of Chemical & Process Engineering, University Kebangsaan Malaysia (UKM), Bangi, Selangor 43000, Malaysia
Abstract

New coumarin namely 2-(3-(7-methylcoumarin)acetamido)benzoic acid (MAB) was successfully synthesized by reaction of ethyl 2-(7-methylcoumarin)acetate with anthranilic acid. The chemical structure of MAB was confirmed by FT-IR, NMR and CHN techniques. The inhibition performance of MAB was investigated using the weight loss method. The results illustrate the strong adsorption of MAB molecules on the mild steel coupon surface and this adsorption follows the Langmuir adsorption isotherm. DFT calculations were performed to show the relationship between the MAP molecular structure and inhibition performance.

Keywords
coumarin
corrosion inhibitor
anthranilic acid
nmr
ftir
Manuscript
ECSOC-sciforum-027700.pdf
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