Tetrasodium EDTA CAS NO. 64-02-8 

Synonyms Tetrasodium EDTA, Tetrahydrate; Ethylenediaminetetraacetic acid, tetrasodium salt; Tetrasodium EDTA, Dihydrate CAS No. 64-02-8 Molecular Formula: C10H12N2Na4O8·4H2O Molecular Weight: 452.20 Specifications: Appearance: white crystalline powder Assay (Na4EDTA·4H2O): ≥ 99.0% pH value (50g/L @ 25℃): 10.5 - 12.5 Heavy Metal (as Pb): ≤ 10 ppm Iron (as Fe): ≤ 10 ppm Chloride (as Cl-): ≤ 0.01% Sulfate (as SO42-): ≤ 0.05% Chelating Value, mgCaCO3/g: ≥ 220 EDTA and its sodium salts are strong chelating agents and are very effective at preventing the deleterious effects of heavy metal ions like iron, manganese or copper. It exhibits excellent ability to dissolve various types of scale and can be described as a true all-around chelating agent.   Main applications: • Soap/Deterge…