1,2-Pentanediol is an important organic intermediate, used in the synthesis of propiconazole, a special fungicide for economic crops; it also has excellent moisturizing properties and antiseptic effects, used in Chemicalbook skin cream, eye cream, skin care water, baby Nursing products, sunscreen and other skin care products are also important raw materials for the production of polyester fibers, surfactants, pharmaceuticals and other products.