N,N,N',N'-Tetramethylethylenediamine
Jul. 29, 2024
N,N,N',N'-Tetramethylethylenediamine
TMEDA is a chemical compound with the formula (CH3)2NCH2CH2N(CH3)2. This compound is derived from ethylenediamine through the replacement of the four amine hydrogens with four methyl groups. TMEDA is a colorless liquid, although older samples may appear yellow. Its odor resembles that of rotting fish.
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Synthesis Analysis
TMEDA is widely employed as a ligand for metal ions. It forms stable complexes with a variety of metal halides, such as zinc chloride and copper(I) iodide, leading to complexes that are soluble in organic solvents. In these complexes, TMEDA acts as a bidentate ligand.
Molecular Structure Analysis
The molecular structure of TMEDA is (CH3)2NCH2CH2N(CH3)2. It is derived from ethylenediamine by replacing the four amine hydrogens with four methyl groups.
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Chemical Reactions Analysis
TMEDA plays a crucial role in the formation of free radicals from persulfate, thereby initiating the acrylamide polymerization process. It is also utilized for the separation of proteins and nucleic acids.
Physical And Chemical Properties Analysis
TMEDA is a colorless liquid with a fishy, ammoniacal odor. It has a density of 0. g/mL at 20 °C, a melting point of -58.6 °C, and a boiling point of 121.1 °C. Additionally, it is miscible in water.
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