EDTA Disodium Salt (CAS 139-33-3) is a white, odorless crystalline powder widely used as a chelating agent. It has a melting point of ~248 °C (decomposes), a boiling point >100 °C (decomposes before boiling), a molecular formula C₁₀H₁₄N₂Na₂O₈, a molar mass of 336.21 g/mol, density ~1.01 g/mL at 25 °C, pH ~8.0 (0.5 M aqueous solution), a shelf life of ~5 years, purity ≥98%, and is miscible with water