EDTA Disodium Salt Specification

 PRODUCT NAME:                             EDTA-2Na ;Edetic acid disodium salt;

                                                             EDTA disodium salt;

                                   (Ethylenedinitrilo)tetraacetic acid disodium salt

CAS  NO. :                                   [139-33-3]      

EMPIRICAL FORMULA :              C₁₀H₁₄N₂Na₂O₈ C₁₀H₁₄N₂Na₂O₈.2H2O

MOL. WT.:                                    372.21           

STRUCTURAL FORMULA:                  

 DESCRIPTION

APPEARANCE:                             Pure white crystalline powder.

                                                           Free Flowing.   

WATER-INSOLUBLE:               Not more than 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)

HEAVY METAL(LEAD):      Not more than 0.001%  (10 ppm)

Torrefaction weightlessness:    Not more than0.01%

PH (1% w/v Solution):              4to 5 

PURITY (ASSAY):                       Minimum 99.0%

PACKING :                                Packed in complex bag with plastic

                                        nner,25KG net per bag .stored in cool

                                        and warehouse , away from acids

                                        oxides, light &heater .sealed after use.