EDTA Na4.4H2O Specification
1. PRODUCT NAME : EDTA tetrasodium salt; Tetrasodium
ethylenediaminetetraacetate Na4EDTA ; EDTANa4 ;
2. CAS NO. : [13236-36-4]
3. EMPIRICAL FORMULA : C10H12N2O8Na4.4H2O
4. MOL. WT. : 452.2
5. STRUCTURAL FORMULA :
6. Physical properties : Tetrasodium ethylenediaminetetraacetate
tetrahydrate is a dry, white crystalline
powder and appears alkali in water, it is
soluble in water and insoluble in alcohols .
7. DESCRIPTION
APPEARANCE : Pure white crystalline powder.
Free Flowing.
WATER-INSOLUBLE : ¡Ü0.1%
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£© : 200¡ª215
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 .stored in cool
and warehouse , away from acids
oxides, light ©}heater .sealed after use.
8. Application : As one chelating agent ,it can be
used in industrial cleaning, personal
and household uses, Bleaching o |
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