1.Water treatment‌: As a scale inhibitor and chelating agent, it is used to prevent scale deposition and corrosion, and is widely used in industrial cooling water systems and boiler water treatment. ‌

2‌.Metal processing‌: It is used for metal surface treatment, electroplating additives and metal cleaning agents to improve the quality and efficiency of electroplating. ‌

3‌.Textile printing and dyeing‌: As an auxiliary agent, it improves the permeability and color fixation of dyes and is widely used in the textile industry. ‌

‌4.Agriculture‌: It can be used as an iron fertilizer in agriculture, especially HEDTA-Fe as an iron fertilizer in alkaline soils.