Ethanolamine EA is the most important product among amino alcohols, including monoethanolamine MEA, diethanolamine DEA and triethanolamine TEA. Ethanolamine is an important organic intermediate, widely used in surface active Chemicalbook agents, synthetic detergents, petroleum additives, synthetic resins and rubber plasticizers, accelerators, vulcanizing agents and foaming agents, as well as gas purification, liquid antifreeze , printing and dyeing, medicine, pesticides, construction, military and other fields.