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.