Widely used in medicine to treat heavy metal poisoning, especially lead toxicity. It binds to metal ions in the bloodstream, allowing them to be excreted through urine. Also applied in blood collection tubes as an anticoagulant by preventing clotting through calcium chelation. In industrial settings, used to stabilize products like detergents and cosmetics by deactivating metal contaminants that can cause degradation. Commonly used in water treatment to remove hardness by sequestering calcium and magnesium ions. In agriculture, helps deliver micronutrients like iron to plants in a bioavailable form. Frequently used in laboratories for DNA extraction and enzyme assays where metal ion interference must be eliminated.