The EDTA Disodium Salt Dihydrate segmentation by application reveals a diversified demand profile. Water treatment dominates with roughly 35 % of total sales, driven by its chelating efficiency in softening hard water and preventing scale formation. The cosmetics & personal‑care segment accounts for about 25 %, where the compound stabilizes formulations and enhances preservative systems in creams and shampoos. Pharmaceuticals contribute close to 20 %, primarily as an excipient that complexes metal ions to improve drug stability and bioavailability. The food & beverage arena holds 15 % of the market, utilizing the salt as a sequestrant in canned goods, dairy, and processed foods to maintain color and flavor. Finally, metal cleaning & surface‑treatment represents the remaining 5 %, where EDTA disodium salt dihydrate is employed to dissolve oxide layers and prevent corrosion during machining. Collectively, these application categories shape the overall market size, with each segment’s growth rate reflecting regulatory trends, end‑user adoption, and regional industrial activity.