Product: EDTA (Ethylene Diamine Tetraacetic Acid, EDTA Acid, Editic Acid) Molecular Formula: C10H16N2O8 CAS NO.:60-00-4 Molecular Weight:M=292.2 Feature: EDTA is a white crystal powder,insoluble in common organic solvents,soluble in boiling water 160 times as much and in alkali solvents like sodium hydroxide. At 150 C, it shows the tendency to depart from carboxyl. Melting point: 240C(decomposition) Dissolving degree in water: 0.5g/L(25C). Specification Item Specification Appearance White powder Purity,% 99.0min Chloride(Cl) content,% 0.05max Sulfate(SO4) content,% 0.05max Iron(Fe) content,% 0.001max Heavy metal(Pb),% 0.001max Chelate value(mg CaCO3/g),% 260min PH value 4.0-5.0