N-propanol is directly used as solvent or synthesis of propyl acetate. In many cases, it can replace ethanol with low boiling point for coating solvent, printing ink, cosmetics, etc. It is used to produce n-propylamine, an intermediate of medicine and pesticide, feed additives, synthetic spices, etc. N-propanol is used in the pharmaceutical industry to produce probenecid, sodium valproate, erythromycin, dianjian'an, adhesive hemostatic agent BCA, propyl thiamine, dipropyl 2,5-pyridine dicarboxylic acid, etc; Various esters synthesized from n-propanol are used in food additives, plasticizers, spices and many other aspects. The derivatives of n-propanol, especially di-n-propylamine, are widely used in medicine and pesticide production. They are used to produce pesticides such as amisulfuron, bactericide, isoprotolin, metoclopramide, sulfrotolin, florol, etc.