EDTA-2Na Powder 99% Purity Food Preservative Pharmaceutical Excipient CAS 139-33-3

Ethylenediaminetetraacetic acid disodium salt (EDTA-2Na) is a high-performance complexing agent that effectively prevents metal-induced oxidation and deterioration in pharmaceutical and food products. With chemical formula C₁₀H₁₄N₂Na₂O₈ and molecular weight 336.206, this versatile compound features six coordinating atoms that form stable chelate complexes.

EDTA-2Na appears as an odorless white or milky white crystalline powder with slightly salty taste. It demonstrates excellent water solubility while being nearly insoluble in ethanol. As a powerful chelating agent, it effectively:

• Prevents discoloration and deterioration caused by metal ions
• Reduces oxidative loss of vitamin C in products
• Enhances antioxidant properties in oils by chelating trace metals (iron, copper)
• Maintains product clarity by preventing turbidity

As the most important EDTA salt, EDTA-2Na serves multiple functions across industries:

• Pharmaceutical excipient and food preservative
• Metal plating processes (copper, gold, lead-tin alloy)
• Electrochemical polishing of steel components
• Pre-treatment solution for silver plating
• Detergents, liquid soaps, and shampoo formulations
• Agricultural chemical sprays and water purification
• PH regulation and polymerization control in rubber production