1)EDTA-Na2.2H2O
Molecular Formula: C10H14N2Na2O8.2H2O,
Molecular Weight: 373.2,
Appearance: White powder,
Content: 99% min,
Chelated value (PH=11): 267mg CaCO3/g,
PH(5% solution): 4-6,
Heavy metal (as Pb): 0.005% max,
Fe: 0.005% max,
Loss on drying: 8-10%, Cl: 0.005% max.

2)EDTA. Na4.4H2O
Molecular Formular: C10H12O8N2Na4.4H2O,
Molecular Weight: 452.23,
Appearance: White powder,
Assay: 99% min,
Cu&Mn: 0.005% max,
Pb: 0.005% max,
PH(1% of the solution): 10.9-11.4,
CaCO3 (mg/g): 225 min,
Packing: 25kgs plastic woven bags, 23MTs/20'fcl