Formula: C₁₀H₁₄N₂Na₂O₈·2H₂O CAS: 6381-92-6 EC No.: 205-358-3 M (Molar Mass): 372.24 g/mol mp (Melting Point): 248°C (decomposes) Solubility: 100 g/100ml water at 20°C

Assay (Complexometric): ≥ 99.0% Appearance: White crystalline powder Identification (Na⁺): Passes test Loss on Drying: 8.5-9.5% (dihydrate) Sodium Content: 12.0-12.5% Heavy Metals (as Pb): ≤ 20 ppm pH (5% solution): 4.0-5.0 Chelating Value (Ca²⁺): ≥ 270 mg CaCO₃/g Nitrogen Content: 7.4-7.6% Related Aminopolycarboxylic Acids: ≤ 0.5%