Diisopropanolamine is mainly used in metal processing, medicine, pesticide, detergent, antioxidant and cosmetics. In addition, it can be used to make softener for printing and dyeing, chain terminator for electroplating and polymerization. Diisopropanolamine can also be used as an auxiliary filler in polyurethane elastomer to make it have special properties. It is used to remove hydrogen sulfide and carbon dioxide from natural gas and refinery gas. It is used as fiber auxiliary, tanning agent, pesticide, cutting oil, etc.