Application: 1,3-Butanediol, referred to as 1,3-BDO, has good hygroscopicity, no odor, low toxicity, good water solubility, and also has the reactivity of diols. It is mainly used in the production of plasticizers, unsaturated polyester resins, dehydrating agents for industrial, etc.; it can be used as a moisturizer in cosmetics, applied to lotions, creams, lotions, gels, toothpastes and other products; it can also be used as a humidifier and softener for textiles, tobacco and paper, and an antibacterial agent for cheese or meat, etc.