1). Used as a standard reagent for chromatography and as an analytical reagent, also used in organic synthesis.

2). Used as solvent and raw material for organic synthesis.

3). Permitted food flavors. Used in chocolate, whiskey, onion, apple, nuts, bread, cereals and other flavors.

4). Used as solvent for paints, raw material for pharmaceuticals, flotation agent for non-ferrous metals, antifoam agent for boiler water.

5). Organic synthesis, solvent. High purity can be used as gas chromatography analysis standard.