2, 3-butanedione is the main raw material for formulating cream flavorings, featuring a typical cream flavor. It is widely used in milk, cheese and other dairy product flavorings, as well as in various food flavoring formulas such as berries, caramel, chocolate, coffee, cherries, vanilla beans, honey, cocoa, fruit, wine, tobacco, rum, nuts, almonds, ginger, etc. In addition, 2, 3-butanedione can also be used in trace amounts in fresh fruit-scented or new types of fragrances for cosmetics. It can also be used as a solvent, an organic synthesis intermediate and a gelatin hardener. At the same time, it is an important reagent for identifying nickel.