Ethanol, also known as ethanol, is an organic compound widely used in a variety of industries. This volatile colorless transparent liquid has low toxicity, and the pure product cannot be eaten directly. However, its aqueous solution has the unique aroma of wine, with a slightly pungent smell and a slightly sweet taste. Ethanol is highly flammable and forms explosive mixtures on contact with air. It has excellent solubility, can be miscible with water in any proportion, and can be miscible with a series of organic solvents such as chloroform, ether, methanol, acetone, etc.