Synthesis, characterisation, crystal structure and anti-corrosion studies of an organotin(IV) complex of 2-acetylpyridine 4-ethyl-3-thiosemicarbazone (LH): N-BuSn(L)Cl2

N. N. Hazani, N. N. Dzulkifli, S. A.I.S.M. Ghazali, Y. Mohd, Yang Farina Abdul Aziz, F. Ngatiman

Research output: Contribution to journalArticle

Abstract

This study explored the possibility of Schiff-base ligand compound, 2-acetylpyridine 4-ethyl-3-thiosemicarbazone (LH) and its organotin(IV) complex (BuSn(L)Cl2) as a corrosion inhibitor for mild steel in 1M hydrochloric acid (HCl) medium. The chemical structures of the synthesised compounds were confirmed by performing elemental analysis, FT-IR, UV-Vis, NMR spectroscopy, and X-ray crystallography diffraction study. The structure showed the LH served as a tridentate (N, N', S) donor to tin through its pyridyl, azomethine nitrogen, and thiolate sulphur. The corrosion inhibition characteristics of the free Schiff-base ligand and its organotin complex were studied by the standard weight loss method. They showed inhibition activity through adsorption, and this phenomenon was found to obey Langmuir adsorption isotherm. The inhibition efficiency of both compounds was found to increase as their concentration was increased from 1 to 3mM, but the efficiency achieved with the tin complex was greater, being 98.98% at 3mM concentration.

Original languageEnglish
JournalASM Science Journal
Volume12
DOIs
Publication statusPublished - 1 Jan 2019

Fingerprint

Thiosemicarbazones
Schiff Bases
Tin
Crystal structure
Corrosion
Ligands
Hydrochloric Acid
X ray crystallography
Corrosion inhibitors
Adsorption isotherms
Sulfur
Nuclear magnetic resonance spectroscopy
Carbon steel
Nitrogen
Diffraction
Adsorption
Chemical analysis
2-acetylpyridine
azomethine

Keywords

  • 2-acetylpyridine
  • Butyltin(IV)
  • Corrosion inhibitor
  • Thiosemicarbazone

ASJC Scopus subject areas

  • General

Cite this

Synthesis, characterisation, crystal structure and anti-corrosion studies of an organotin(IV) complex of 2-acetylpyridine 4-ethyl-3-thiosemicarbazone (LH) : N-BuSn(L)Cl2. / Hazani, N. N.; Dzulkifli, N. N.; Ghazali, S. A.I.S.M.; Mohd, Y.; Abdul Aziz, Yang Farina; Ngatiman, F.

In: ASM Science Journal, Vol. 12, 01.01.2019.

Research output: Contribution to journalArticle

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AU - Hazani, N. N.

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AU - Ghazali, S. A.I.S.M.

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AU - Ngatiman, F.

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