Methylamine solution

Manufactured by Merck Group

Sourced in Germany

Methylamine solution is a chemical product used in various industrial and laboratory applications. It is a clear, colorless liquid with a characteristic amine odor. Methylamine solution is a source of the methylamine chemical compound, which is a versatile intermediate in the synthesis of other organic compounds. The specific concentration and formulation of the methylamine solution may vary depending on the intended application.

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Methylamine (67 citations)

19 protocols using methylamine solution

Perovskite Solar Cell Precursor Synthesis

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Lead iodide (PbI₂, 99.99%) was purchased from TCI. Spiro-OMeTAD was purchased from Youxuan Tech, China. Methylamine hydrochloride (MACl), methylammonium iodide (MAI), caesium iodide (CsI, 99.999%), formamidinium iodide (FAI), and methylammonium bromide (MABr) were purchased from Greatcell Solar. Chlorobenzene (CB, anhydrous), N,N-dimethylformamide (DMF, anhydrous), m ethylamine solution (MA, 33% in H₂O), ethylic acid (HAc, 99%), butylamine hydrochloride (BACl, 99.99%), ethylamine solution (EA), butylamine solution (BA), propylamine, formic acid, propanoic acid, and n-butyric acid were purchased from Sigma-Aldrich. All the materials were used without further purification.

Chao L., Niu T., Gu H., Yang Y., Wei Q., Xia Y., Hui W., Zuo S., Zhu Z., Pei C., Li X., Zhang J., Fang J., Xing G., Li H., Huang X., Gao X., Ran C., Song L., Fu L., Chen Y, & Huang W. (2020). Origin of High Efficiency and Long-Term Stability in Ionic Liquid Perovskite Photovoltaic. Research, 2020, 2616345.

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Synthesis of Lead Bromide Perovskites

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All of the chemicals were purchased from commercial
sources and
were used as received. Lead(II) bromide (99%), methylamine solution
(33 wt % in absolute ethanol), and octylamine are purchased from Sigma-Aldrich.
Other reagents like lead nitrate, nitric acid (70% in water, SRL),
and hydrobromic acid (48 wt % in water, SRL) were ordered from local
suppliers.

Nim G.K., Bansal P, & Kar P. (2019). Nitrate Ion-Incorporated Stable Perovskite Nanocrystals by a Solvent-Free Mechanochemical Reaction. ACS Omega, 4(13), 15678-15683.

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Synthesis of Lead-based Perovskite Materials

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PbI₂ (99.999%), PbBr₂ (99.999%), SnI₂ (99.999%), CsI (99.999%), barium iodide (BaI₂; 99.995%), rubidium iodide (RbI; 99.9%), BCP, tris(pentafluorophenyl)borane (95%), choline chloride (≥98%), 1,4-diaminobutane (BDA; 99%), methylamine solution [33 weight % (wt %) in absolute ethanol], N,N-dimethylformamide (DMF; anhydrous, 99.8%), dimethyl sulfoxide (DMSO; anhydrous, 99.8%), toluene (anhydrous, 99.8%), isopropyl alcohol (anhydrous, 99.5%), ethyl acetate (anhydrous, 99.8%), and sulfonic acid cation exchange resins (Amberlyst 15, hydrogen form) were purchased from Sigma-Aldrich. [2-(3,6-Dimethoxy-9H-carbazol-9-yl)ethyl] phosphonic acid (MEO-2PACz) (>98%) was purchased from TCI. PEDOT:PSS (Clevios P VP AI 4083) and PEDOT (HTL Solar 3) were purchased from Ossila. Formamidinium iodide (FAI), phenethylammonium bromide (PEABr), and phenethylammonium chloride (PEACl) were purchased from GreatCell Solar. C₆₀ was purchased from Nano-C Inc. Aqueous single-layer graphene oxide (GO) solution with a concentration of 500 mg/liter was purchased from Graphene Supermarket. MAPbCl₃ single crystals were synthesized using a previously reported method (55 ). Copper (Cu) pellets and the ITO target were purchased from Kurt J. Lesker Company. Polytetrafluoroethylene (PTFE) and nylon filters were purchased from VWR.

Chen B., Yu Z., Onno A., Yu Z., Chen S., Wang J., Holman Z.C, & Huang J. (2022). Bifacial all-perovskite tandem solar cells. Science Advances, 8(47), eadd0377.

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HPLC Analysis of Amino Acids and Amines

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HPLC-grade acetonitrile and methanol were from Merck. Hydrochloric acid (HCl), glycine and hydroxylamine (>97.5%) were purchased from Reakhim. DEEMM and L-ornithine monohydrochloride (≥99%) was obtained from Fluka. Boric acid (≥99%) was purchased from Hopkin & Williams. Amino acid commercial standards (L-alanine, L-arginine hydrochloride, L-asparagine, L-aspartic acid, L-glutamine, L-glutamic acid, L-glycine, L-histidine, L-isoleucine, L-leucine, L-lysine, L-methionine, L-phenylalanine, L-proline, L-serine, L-threonine, L-tryptophan, L-tyrosine and L-valine, ≥99.5%), γ-aminobutyric acid (≥99%), formic acid (≥95%), putrescine (≥99.5%), phenyethylamine (≥99.5%), tyramine hydrochloride (≥98%), ethylamine hydrochloride (98%), methylamine solution (40%), pyrrolidine (99%), ethanolamine (≥98%) and taurine (≥99%) were purchased from Sigma; dopamine hydrochloride (99%), histamine dihydrochloride (≥98%) were purchased from Alfa Aesar; L(+)-α-aminobutyric acid (98%) were purchased from Acros Organics; β-aminobutyric acid (98%) were purchased from BLD Pharmatec. Ultrapure water was supplied by a Millipore Milli-Q Advantage A10 (Millipore) and 0.75 M borate buffer at pH = 9 was prepared in deionized water.

Marengo A., Maciel L.S., Cagliero C., Rubiolo P, & Herodes K. (2023). Free Amino Acids and Biogenic Amines Profiling and Variation in Wild and Sub-Endemic Cardueae Species from Sardinia and Corse. Plants, 12(2), 319.

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Methylamine-Based Perovskite Synthesis

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Methylamine solution (33 wt% in absolute ethanol), PbI₂ (99%), and hydroiodic acid (HI) (57 wt% in water, γ‐butyrolactone (GBL, 99%) were purchased from Sigma‐Aldrich and used as received without further purification. EDTA, Zn(CH₃COO)₂·2H₂O, 2‐methoxyethanol and ethanolamine were purchased from Alfa Aesar and without any purification.

Wang Z., Zhu X., Feng J., Wang C., Zhang C., Ren X., Priya S., Liu S.(, & Yang D. (2021). Antisolvent‐ and Annealing‐Free Deposition for Highly Stable Efficient Perovskite Solar Cells via Modified ZnO. Advanced Science, 8(13), 2002860.

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Synthesis and Characterization of Methylammonium Lead Iodide Perovskite

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Chemicals. A methylamine solution (33 wt. %) in absolute ethanol, hydriodic acid (57 wt. %) in water (99.99% trace metals basis), and anhydrous diethyl ether were received from Sigma-Aldrich. Lead(II) iodide (99.9985%) and anhydrous N,N-dimethylformamide (DMF) were purchased from Alfa Aesar. Absolute ethanol was supplied by Merck. All chemicals were used as received.
MAI (CH₃NH₃I) was synthesized by a simple neutralization reaction between methylamine and hydriodic acid. Into 100 ml absolute ethanol, 35 ml of a methylamine solution (33 wt. %) and 20 ml hydroiodic acid (57 wt. %) were added. The mixture was vigorously stirred and cooled to room temperature °C by a water bath. After 30 min the solvent was removed by a rotary evaporator and a brown crystalline powder was collected. The powder was washed with 100 ml of anhydrous diethyl ether, stirred together with the powder for 30 min. After decanting the solvent, the washing step was repeated. For final purification, the powder was refluxed with 100 ml of ethyl ether for 2 h. The dispersion was then cooled to -18°C and vacuum filtered through a Schott funnel. The final white powder was dried under vacuum for 24 h and stored under a nitrogen atmosphere. MAPbI₃ was prepared inside a glove box by mixing MAI and PbI₂ in a 1:1 molar ratio in anhydrous DMF.

Yakunin S., Sytnyk M., Kriegner D., Shrestha S., Richter M., Matt G.J., Azimi H., Brabec C.J., Stangl J., Kovalenko M.V, & Heiss W. (2015). Detection of X-ray photons by solution-processed organic-inorganic perovskites. Nature photonics, 9(7), 444-449.

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Comprehensive Protocol for Microbial Analysis

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Magnesium sulfate, triethylammonium acetate buffer, vancomycin, neomycin, amphotericin B, and methylamine solution (40 wt. % in water) were purchased from Sigma-Aldrich (St. Louis, MO, USA). Organic solvents including m ethanol, chloroform, ethanol, 1-butanol and acetonitrile were all HPLC grade purchased from Thermo Fisher Scientific (Waltham, MA, USA). Calcium chloride dihydrate, ammonium chloride, sodium phosphate dibasic anhydrous, potassium phosphate monobasic, acetic acid (glacial), metronidazole, casamino acids (vitamin-free) and sodium chloride were also purchased from Thermo Fisher Scientific. Ampicillin sodium salt and isopropyl-β-D-thiogalactoside (IPTG) were obtained from Research Products International (RPI; Mt. Prospect, IL, USA). Sep-Pak silica cartridges were purchased from the Waters Corporation (Milford, MA, USA). Kinetex 2.6μ C18 100Å column (50×2.1 mm) and Kinetex C8 100Å column (50×2.1 mm) were purchased from Phenomenex (Torrance, CA, USA).

Dosoky N., Chen Z., Guo Y., McMillan C., Flynn C.R, & Davies S.S. (2019). Two-week administration of engineered Escherichia coli establishes persistent resistance to diet induced obesity even without antibiotic pretreatment.. Applied microbiology and biotechnology, 103(16), 6711-6723.

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Lipid Standards for Mass Spectrometry

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We used 17:0/14:1 PC (LM1004), 17:0/14:1 PE (LM-1104), 17:0/14:1 PI (LM-1504), 17:0/14:1 PS (LM-1304), C17 ceramide (860517), and C8-glucosyl(β) ceramide (860540) as internal lipid standards, which were purchased from Avanti Polar Lipids (Alabaster, AL). Cholesterol was used as sterol standard and was purchased from Fluka. Pyridine (ReagentPlus) and methylamine solution (33% in absolute ethanol) were from Sigma-Aldrich. HPLC-grade chloroform was purchased from Acros (Geel, Belgium), and LC-MS–grade methanol and LC-MS–grade ammonium acetate were from Fluka. LC-MS–grade water was purchased from Fisher Scientific (Loughborough, United Kingdom).

da Silveira dos Santos A.X., Riezman I., Aguilera-Romero M.A., David F., Piccolis M., Loewith R., Schaad O, & Riezman H. (2014). Systematic lipidomic analysis of yeast protein kinase and phosphatase mutants reveals novel insights into regulation of lipid homeostasis. Molecular Biology of the Cell, 25(20), 3234-3246.

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Synthesis of Hybrid Organic-Inorganic Materials

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All materials were used as received. Anhydrous grades of toluene, n-butanol, tetrahydrofuran, chloroform, N,N-dimethylformamide and terpineol, 97% aluminum tri-sec-butoxide, >97% titanium isopropoxide, 20 wt % aluminum oxide nanoparticles in isopropanol (<50 nm, product number 702129), 57 wt % hydriodic acid in water, 33 wt % methylamine solution in ethanol, and lead chloride were obtained from Sigma-Aldrich. 70% nitric acid and 37% hydrochloric acid were obtained from Mallinckrodt Baker and EMD Millipore, respectively. 10 and 46 cP ethyl cellulose were obtained from TCI America.

Tan K.W., Moore D.T., Saliba M., Sai H., Estroff L.A., Hanrath T., Snaith H.J, & Wiesner U. (2014). Thermally Induced Structural Evolution and Performance of Mesoporous Block Copolymer-Directed Alumina Perovskite Solar Cells. ACS Nano, 8(5), 4730-4739.

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Sphingolipid Extraction and Analysis

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Sphingolipid extraction and analysis were performed at University of Geneva, Geneva, Switzerland in the framework of collaborative work. Four, seven or eleven independent biological replicates were analyzed, each of which corresponding to 3 to 6 technical replicates. PC17:0/14:1 (LM1004), PE17:0/14:1 (LM-1104), PI17:0/14:1 (LM-1504), PS17:0/14:1 (LM-1304), C17:0-ceramide (860517), and C8-Glucosyl(β)ceramide (860540) were used as internal lipid standards and were purchased from Avanti Polar Lipids Inc. (Alabaster, AL, United States). Cholesterol was used as sterol standard and was purchased from Fluka (Sigma–Aldrich, Steinheim, Germany). Pyridine (ReagentPlus^®) and methylamine solution (33% in absolute ethanol) were from Sigma–Aldrich (Steinheim, Germany). HPLC-grade chloroform was purchased from Acros (Geel, Belgium), LC-MS grade methanol and LC-MS grade ammonium acetate were from Fluka (Sigma–Aldrich, Steinheim, Germany). LC-MS grade water was purchased from Fisher Scientific (Loughborough, United Kingdom).

Guerreiro J.F., Mira N.P., Santos A.X., Riezman H, & Sá-Correia I. (2017). Membrane Phosphoproteomics of Yeast Early Response to Acetic Acid: Role of Hrk1 Kinase and Lipid Biosynthetic Pathways, in Particular Sphingolipids. Frontiers in Microbiology, 8, 1302.

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