Triethyl 2,2',2''-nitrilotriacetate is primarily used as a chelating agent in various chemical processes. It is effective in binding metal ions, making it valuable in industries such as water treatment, where it helps in removing heavy metals from wastewater. In the pharmaceutical sector, it is utilized in the synthesis of certain drugs, particularly those requiring precise metal ion control. Additionally, it finds application in the production of detergents and cleaning agents, where it enhances the efficiency of these products by softening water and preventing the redeposition of dirt. Its ability to stabilize metal ions also makes it useful in agricultural formulations, aiding in the delivery of micronutrients to plants.