In 2019,Chemical Engineering Journal (Amsterdam, Netherlands) included an article by Pareek, Shubhra; Jain, Deepti; Hussain, Shamima; Biswas, Amrita; Shrivastava, Rahul; Parida, Saroj K.; Kisan, Hemanta K.; Lgaz, Hassane; Chung, Ill-Min; Behera, Debasis. Safety of 1H-Benzo[d]imidazol-2-amine. The article was titled 《A new insight into corrosion inhibition mechanism of copper in aerated 3.5 weight% NaCl solution by eco-friendly Imidazopyrimidine Dye: experimental and theoretical approach》. The information in the text is summarized as follows:
A large number of mechanism were anticipated for Cu since 1988 in NaCl medium. The detail electrochem. behavior leading to the anodic dissolution of Cu, however, still remains uncertain. Herein, an Imidazopyrimidine Dye, named, 4-amino-3-(phenyldiazenyl)benzo[4,5]imidazo[1,2-a]pyrimidin-2(1H)-one, (APIP) was used as a Cu corrosion inhibitor in 3.5% (by weight) NaCl solution The present study provides a brief mechanistic overview of the electrochem. mechanism of Cu in aerated NaCl solution, simulating a static marine environment, with and without addition of APIP inhibitor. Potentiodynamic polarization (PDP) results confirmed that the APIP can suppress Cu corrosion effectively at low concentration in 3.5% NaCl solution with an inhibition efficiency of 92.79% due to adsorption, along with the prediction of electrochem. mechanism. Electrochem. impedance spectroscopy (EIS) measurements showed that the corrosion inhibition of Cu proceeds via both diffusion and kinetic controlled processes. Adsorption of APIP on Cu surface is well fit with the Langmuir isotherm model and mode of adsorption is proposed. Antimicrobial activity was also studied and the result obtained showed ”eco-friendly” nature of APIP. Field Emission Scanning Electron Microscope (FE-SEM), Energy dispersion x-ray (EDX) and Attenuated Total Reflectance-FTIR Spectroscopy (ATR-FTIR) observations of the Cu surfaces confirmed the existence of adsorption of APIP thus can be potentially used in industries in which seawater is implied are numerous such as cooling H2O systems, desalination plants, power plants, and oil production units. Results obtained from theor. calculations including quantum chem. d. functional theory (DFT) method and mol. dynamics (MD) simulations confirms the exptl. findings and provide further insight into the mode of adsorption on the Cu surface. In the experiment, the researchers used 1H-Benzo[d]imidazol-2-amine(cas: 934-32-7Safety of 1H-Benzo[d]imidazol-2-amine)
1H-Benzo[d]imidazol-2-amine(cas: 934-32-7) can be used in the hydrolysis of a choline carbonate. It was also used in the synthesis of imidazo[1,2-a]benzimidazoles.Safety of 1H-Benzo[d]imidazol-2-amine
Referemce:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem