Disodium (ethyl phosphono)formate is primarily utilized as a scale inhibitor in water treatment processes. It effectively prevents the formation of scale deposits, particularly in industrial cooling systems and boilers, by sequestering metal ions that contribute to scaling. This compound is also employed in detergent formulations to enhance their efficiency by softening water and preventing the redeposition of dirt onto fabrics. Additionally, it finds application in the oil and gas industry, where it is used to inhibit scale formation in pipelines and equipment, ensuring smoother operations and reducing maintenance costs. Its chelating properties make it valuable in various industrial processes where controlling mineral deposits is critical.