Used as a solvent and chemical intermediate in organic synthesis, particularly in reactions requiring inert, non-polar, anhydrous conditions such as Grignard reactions and other moisture-sensitive processes. Its high stability and low reactivity, including resistance to bases, water, and mild to moderate acids, make it suitable for acid-sensitive syntheses. It is less prone to peroxide formation compared to other ethers like diethyl ether, providing greater safety and stability. Additionally, employed as an additive in fuel formulations to improve combustion efficiency, increase octane rating, and reduce deposits.