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Diglyme, or bis(2-methoxyethyl) ether, is a solvent with a high boiling point. It is an organic compound which is the dimethyl ether of diethylene glycol. (The name "diglyme" is a portmanteau of "diglycol methyl ether.") It is a clear, colorless liquid with a slight ether-like odor. It is miscible with water, alcohols, diethyl ether, and hydrocarbon solvents.
Additional recommended knowledge
Diglyme is mainly used as a solvent in organic reactions. It has the ability to chelate small cations, leaving anions more active. Therefore, reactions involving organometallic reagents, such as Grignard reactions or metal hydride reductions, may have significantly enhanced reaction rates.
Diglyme is also used as a solvent in hydroboration reactions with diborane.
Its stability, even at high pH values, makes it an excellent solvent for reactions with strong bases or reactions that require high temperatures.
Categories: Ethers | Ether solvents | Chelating agents
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Diglyme". A list of authors is available in Wikipedia.|