EDTA 4Na

Prodcut name:EDTA 4Na,EDTA tetrasodium salt; Na4EDTA ;
CAS NO.:[13236-36-4]
Molecular Formula : C10H12N2O8Na4.4H2O
MOL. W.T.: 452.2
Physical properties : Na4EDTA is a dry, white crystalline powder and appears alkali in water, it is soluble in water and insoluble in alcohols .
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）:215
HEAVY METAL(LEAD):Not more than 0.001% (10 ppm)
Torrefaction weightlessness :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 .