Edta.4na Chemical name : tetrasodium ethylenediaminetetraacetate tetrahydrate Chemical formula : c10h12n2o8na4.4h2o Molecular weight : 452.2 Cas no·ª [13236-36-4] Synonyms: na4edta ; edtana4 ; tetrasodium edta Physical properties : Tetrasodium ethylenediaminetetraacetate tetrahydrate is a dry, white crystalline powder and appears alkali in water, it is soluble in water and insoluble in alcohols . Applications : As one chelating agent , it can be used in industrial cleaning, personal and household uses, bleaching of pulp and textiles, micronutrients for agriculture, photo processing, printing ink manufacturing , food, polymer processing and metal plating etc Specification : Item guaranteed Appearance white crystalline powder Assay , %, fª 99.0 Ph (1% in water ) 10.5 ---11.5 Packaging and storage Packed in complex bag with plastic inner, 25kg net per bag .Stored in cool and dry warehouse , away from acids , oxides, light and heater .Sealed after use .