CAS No.: [13236-36-4] Empirical formula: C10h12n2o8na4.4H2O
Mol. Wt.: 452.2
Structural formula: Physical properties: Edtana4 is a dry, white crystalline powder and appears alkali in water, it is soluble in water and insoluble in alcohols. Description appearance: Pure white crystalline powder. Free flowing.
Water-insoluble: ≤ 0.1% Chlorides (cl): Not more than 0.005% (50 ppm). Sulphate (so4)%: Not more than0.1% Iron% (fe): Not more than 0.001% (10ppm) Chelate value(caco3/g): 200_215 Heavy metal(lead): Not more than 0.001% (10 ppm) Torrefaction wightlessness: Not more than0.01% pH (1% w/v solution): 10.5to 11.5 Purity (assay): Minimum 99.0% Packing: Packed in complex bag with plastic Inner, 25kg net per bag. Stored in cool And warehouse, away from acids Xides, light heater. Sealed after use.
Application: As one chelating agent, it can be used in industrial cleaning, personaland household uses, bleaching of pulp and textile, micronutrients for agriculture, photo processing, printing ink manufacturing, food, polymer processing and metal plating etc. Italso used in water treatment, sbr rubber, color sensitization ect. By way of additive, active agent, clarifier, metalremover.