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Tetrasodium EDTA EDTA 4NA

Tetrasodium EDTA

Other Name Tetrasodium Ethylenediaminetetraacetate
CAS No 64-02-8
EC No 200-573-9
Molecular formula C10H12N2Na4O8
Molecular weight 380.17 g/mol
Packing 25KG/bag
Product Description

Tetrasodium EDTA (EDTA 4NA) is a highly effective chelating agent with strong affinity for metal ions such as Ca²⁺, Mg²⁺, Fe³⁺ and Cu²⁺. It is widely used to control hardness, prevent scale and stabilize formulations across detergents, water treatment, agriculture, textiles, pulp & paper and industrial cleaning applications.

Typical Specifications
Items Specification
Assay (as Na4EDTA) 99% Min.
Chloride (Cl) 0.01% Max.
Sulfate (SO4) 0.05% Max.
Metal chelate (Pb) 0.001% Max.
Iron (Fe) 0.001% Max.
Chelate (mg CaCO3/g) 215 Min.
pH Value (10% solution) 10.5 – 11.5
Appearance White Crystalline Powder
Applications
  • Detergents & Cleaning Products: Water softening and scale prevention to enhance cleaning performance.
  • Water Treatment: Control of hardness and removal of trace metal ions.
  • Agriculture: Chelation of micronutrients in fertilizer formulations to improve uptake.
  • Pulp & Paper: Improves bleaching efficiency and brightness stability.
  • Textiles: Stabilization during dyeing and processing.
  • Chemical Processing: Polymer stabilization and metal ion control in industrial processes.
Packing & Storage

Packed in 25KG/bag, or according to customers' demand. Store in a dry, ventilated indoor storeroom; avoid direct sunlight. Handle with care and avoid stacking too high.