Ethylene Glycol Dimethyl Ether (CAS 110-71-4), often abbreviated as DME or known by synonyms like glyme or monoglyme, is a chemical compound that has found significant utility across various industrial and research applications. As a leading supplier of specialty chemicals, understanding the core properties and diverse applications of DME is crucial for chemical engineers, R&D scientists, and procurement specialists. This article provides an overview of this versatile aprotic solvent and highlights key considerations for those looking to purchase it.

DME is fundamentally a colorless, transparent liquid with a molecular formula of C4H10O2. Its chemical structure features two ether linkages separated by an ethylene group, contributing to its unique solvating capabilities. A key attribute highly sought after by users is its high purity, typically specified as 99.5% Min., ensuring minimal interference in sensitive chemical reactions and formulations. Its aprotic nature, meaning it lacks acidic hydrogen atoms, makes it an ideal solvent for reactions involving strong bases or nucleophiles where protic solvents would be detrimental.

The applications of DME are broad and impactful. One of its most prominent uses is as a component in electrolytes for lithium-ion batteries. Its ability to dissolve lithium salts and facilitate ion transport contributes to the electrochemical performance and stability of these energy storage devices. Beyond batteries, DME serves as an excellent solvent in organometallic chemistry. It acts as a bidentate ligand, coordinating with metal centers and stabilizing reactive species, which is vital for catalytic processes and synthetic transformations such as Suzuki and Stille couplings. Researchers often use it as a higher-boiling point alternative to diethyl ether or tetrahydrofuran for Grignard reactions and hydride reductions.

For procurement professionals, sourcing DME requires attention to quality, consistency, and cost. When looking to buy Ethylene Glycol Dimethyl Ether, particularly from international markets, selecting a reputable manufacturer is paramount. Factors to consider include the supplier's adherence to quality standards, their production capacity, and their ability to provide reliable delivery. Many businesses opt for suppliers in China due to the competitive pricing and the extensive manufacturing infrastructure available. A thorough inquiry into product specifications, including CAS number (110-71-4), molecular formula, and purity, is always recommended.

In conclusion, Ethylene Glycol Dimethyl Ether is a valuable chemical with a wide array of applications, driven by its desirable physical and chemical properties. Whether used in cutting-edge battery technology, intricate organometallic synthesis, or general laboratory work, its high purity and unique solvent characteristics make it a compound of choice. For organizations seeking to purchase DME, partnering with a reliable supplier that ensures quality and competitive pricing is key to operational success.