2 methylimidazole

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2-methylimidazole is a heterocyclic organic compound with the chemical formula C₄H₆N₂. It is a colorless, crystalline solid that is commonly used as a building block in the synthesis of various pharmaceutical and agrochemical products.

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Methylimidazole (2 citations) 2-methylimidazole (Hmim) (2 citations) 2-methylimidazole (2-MI, (2 citations) 2-methylimidazole (2-MeIm (2 citations)

25 protocols using 2 methylimidazole

Rapid Synthesis of ZIF-8 Metal-Organic Framework

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ZIF-8 was synthesized by rapidly mixing zinc nitrate (98%, Acros Organics) and 2-methylimidazole (97%, Alfa Aesar) solutions, at room temperature, for about 10 mins.33 (link) Initially, solutions A and B were prepared, with solution A being prepared by dissolving 0.2 g zinc nitrate hexahydrate in 5 mL deionized water and solution B by dissolving 2.0 g 2-methylimidazole also in 5 mL deionized water. The solutions were then mixed under uniform mechanical stirring and at room temperature. The resulting product was collected by centrifugation at 5000 rpm for 8 mins, washed with deionized water several times to remove any nonprecipitated species, dried at room temperature and subsequently stored in a vacuum chamber, again at room temperature.

Wagner A., Liu Q., Rose O.L., Eden A., Vijay A., Rojanasakul Y, & Dinu C.Z. (2019). Toxicity screening of two prevalent metal organic frameworks for therapeutic use in human lung epithelial cells. International Journal of Nanomedicine, 14, 7583-7591.

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Synthesis of ZIF-8 Metal-Organic Framework

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ZIF-8 was synthesized by mechanically stirring zinc nitrate hexahydrate (98%, Acros Organics, Fair Lawn, NJ, USA) and 2-methylimidazole (97%, Alfa Aesar, Ward Hill, MA, USA) in methanol solution (HPLC Grade, Fisher Scientific, 99.8% purity, Fair Lawn, NJ, USA), at room temperature, for 24 h. The mole ratio of zinc nitrate hexahydrate/2-methylimidazole/methanol was 1:10:100; the product was collected by centrifugation at 5000 rpm (SORVALL LEGEND X1R Centrifuge, Thermo Scientific, Whaltham, MA, USA) for 5 min and subsequently washed with methanol at least three times (each step followed by centrifugation) to remove any non-precipitated species. The resulting powders were dried at room temperature and stored in a vacuum chamber. Lab-synthesized metal-organic frameworks (MOFs) of ZIF-8 are shown in Figure 1a.

Rose O.L., Bonciu A., Marascu V., Matei A., Liu Q., Rusen L., Dinca V, & Dinu C.Z. (2021). Thin Films of Metal-Organic Framework Interfaces Obtained by Laser Evaporation. Nanomaterials, 11(6), 1367.

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Synthesis of Electrochemical Catalysts

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Cobalt (II) nitrate hexahydrate (98%), iron (II) sulfate heptahydrate (98%), zinc nitrate hexahydrate (99%), 2-methylimidazole (99%) zinc acetate dihydrate (98%), Pt/C (20%), dopamine hydrochloride (99%), 3-tris (hydorxymethyl) aminomethane (99.8%-100.1%), sodium thiocyanate (98%), potassium hydroxide (99.98%), sodium acetate trihydrate (99%), glacial acetic acid (99.9985%), and zinc foil (99.994%) were purchased from Alfa Aesar. Methanol and ethanol were received from Beijing Chemical Work Co. in analytic grade (AR). All chemicals were used as received without further purification. Nafion® solution (5 wt%, DuPont) was obtained from commercial suppliers. Milli-Q ultrapure water (resistance of 18.2 MΩ·cm at 25 °C) was used for all experiments.

Jiang Z., Liu X., Liu X.Z., Huang S., Liu Y., Yao Z.C., Zhang Y., Zhang Q.H., Gu L., Zheng L.R., Li L., Zhang J., Fan Y., Tang T., Zhuang Z, & Hu J.S. (2023). Interfacial assembly of binary atomic metal-Nx sites for high-performance energy devices. Nature Communications, 14, 1822.

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Synthesis of Fluorescent Metal-Organic Frameworks

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All chemicals were reagent grade or better, used as received, and included zinc nitrate hexahydrate (Fisher Chemical, ACS certified), 2-methylimidazole (Acros, 99%), rhodamine B (Acros, 98+%); terephthalic acid (Acros, 99+%), sodium hydroxide (Alfa Aesar, 2.0 N), methanol (Fisher, ACS grade), and ethanol (Koptec, 190 proof pure).

Chin M., Cisneros C., Araiza S.M., Vargas K.M., Ishihara K.M, & Tian F. (2018). Rhodamine B degradation by nanosized zeolitic imidazolate framework-8 (ZIF-8). RSC Advances, 8(47), 26987-26997.

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Synthesis of Magnesium Nitrate-Graphene Oxide

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In this study,
magnesium nitrate hexahydrate was purchased from Merck. Ammonium vanadate
(AV) was purchased from Merck. Graphene oxide (GO) was purchased from
Sigma. 2-Methyl imidazole (MIM) was purchased from Alfa-Aesar.

Alharthi F.A., El Marghany A., Abduh N.A, & Hasan I. (2023). Hydrothermal Synthesis of a Magnesium Vanadate-Functionalized Reduced Graphene Oxide Nanocomposite for an Efficient Photocatalytic Hydrogen Production. ACS Omega, 8(34), 31493-31499.

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Cobalt-based Electrochemical Fuel Cell

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Cobalt (II) acetylacetone (Co(acac)₂, 99%), potassium bicarbonate, Nafion D-521 dispersion (5% w/w in water and 1-propanol), 2-methylimidazole, thiophene were purchased from Alfa Aesar. Zinc nitrate hexahydrate (98%), N, N-dimethylformamide (DMF), methanol, and ethanol were obtained from Sinopharm Chemical. Nafion 117 membrane was purchased from Dupont. All the chemicals and gases were analytical grade and used without further purification. Ultrapure water (18.2 MΩ cm) was used throughout the experiment.

Pei J., Shang H., Mao J., Chen Z., Sui R., Zhang X., Zhou D., Wang Y., Zhang F., Zhu W., Wang T., Chen W, & Zhuang Z. (2024). A replacement strategy for regulating local environment of single-atom Co-SxN4−x catalysts to facilitate CO2 electroreduction. Nature Communications, 15, 416.

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Synthesis of Metal-Organic Framework

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2-methylimidazole (Hmim) (99% purity), zinc nitrate hexahydrate (99 + % purity) and 2-propanol (99 + %) were purchased from Alfa Aesar, absolute ethanol (99.8 + % purity) was purchased from Fisher Scientific.

Deacon A., Briquet L., Malankowska M., Massingberd-Mundy F., Rudić S., Hyde T.L., Cavaye H., Coronas J., Poulston S, & Johnson T. (2022). Understanding the ZIF-L to ZIF-8 transformation from fundamentals to fully costed kilogram-scale production. Communications Chemistry, 5, 18.

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Synthesis of Zinc-based Dye Adsorbent

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Chemicals including (zinc nitrate hexahydrate, 2-methylimidazole, ammonium hydroxide solution, zinc chloride ZnCl₂ and s were purchased from Alfa Aeser and utilized as received, with no further purification. Remazol brilliant blue reactive dye (RBBR) was gained from (Sigma-Aldrich).

Abas K.M, & Al Kiey S.A. (2023). Facile synthesis of MOF-derived N doped ZnO/C nanoparticles and its adsorption activity toward dye removal. BMC Chemistry, 17(1), 126.

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Synthesis of Metal-Organic Nanomaterials

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Cobalt(ii) nitrate hexahydrate (Co(NO3)2•6H2O, 98-100%, Alfa Aesar), zinc nitrate hexahydrate (Zn(NO3)2•6H2O, 99%, Alfa Aesar), cadmium acetate (Cd(CH3COO)2•2H2O, 98%, Sigma-Aldrich), sodium diethyldithiocarbamate trihydrate (NaS2CNEt2•3H2O, 98%, Alfa Aesar), 2-methylimidazole (99%, Alfa Aesar), ethylenediamine (C2H8N2, 99%, Acros Organics), 1-dodecanethiol (C12H26S, 98%, Acros Organics), ethanol (anhydrous, Decon), and methanol (99.8%, Alfa Aesar) were obtained as indicated.

Zhou Y., Hu W., Yang S, & Huang J. (2020). Enhanced light harvesting ability in zeolitic imidazolate frameworks through energy transfer from CdS nanowires. Physical chemistry chemical physics : PCCP, 22(7).

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Synthesis of Fluorescent Dye Compounds

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Fumaric acid, 2-methylimidazole, dimethylsulfoxide, l-cysteine, sulfuric acid, holmium oxide, fluorescence sodium salt, and rhodamine 6G were all purchased from Alfa Aesar (Haverhill, MA, USA).

Zhu J., Shao X.J., Li Z., Lin C.H., Wang C.W., Jiao K., Xu J., Pan H.X, & Wu Y. (2022). Synthesis of Holmium-Oxide Nanoparticles for Near-Infrared Imaging and Dye-Photodegradation. Molecules, 27(11), 3522.

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