Description

EDTA Na4.4H2O PRODUCT NAME: EDTAtetrasodiumsalt; EDTANa4 ; Tetrasodiumethylenediaminetetraacetateï&frac*4;Œ Na4EDTA ; CAS NO. : [*********4] EMPIRICAL FORMULA : C*0H*2N2O8Na4.4H2O MOL. WT.: **2.2 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 ***** Flowing. WATER-INSOLUBLE: ≤0.1% CHLORIDES (Cl): Not more than 0.**5% (*0 ppm). SUlPHATE ï&frac*4;ˆSO4)%: Not more than0.1% IRON% (Fe): Not more than 0.**1% (*0ppm) CHELATE VALUEï&frac*4;ˆCaCo3/gï&frac*4;‰: **0—**5 HEAVY METAL(LEAD): Not more than 0.**1% (*0 ppm) TORREFACTION WIGHTLESSNESS : Not more than0.*1% PH (1% w/v Solution): *0.5to *1.5 PURITY (ASSAY): Minimum *9.0% PACKING : Packed in complex bag with plastic inner, *5KG net per bag .stored in cool and warehouse , away from acids xides, light ï¹ heater .sealed after use. Application: As one chelating agent , it can be used in industrial cleaning, personal and household uses, Bleaching of pulp and textile, Micronutrients for agriculture, Photo processing, Printing ink manufacturing , Food, Polymer processing and Metal plating etc 。It also used in water treatment , SBR rubber, color sensitization ect. By way of additive, active agent , clarifier, metalremover.