Appearance: | Powder |
---|---|
Quality: | Industrial |
Colour: | White |
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Name: (EDTA-4Na)
Ethylene diamine tetraacetic acid tetrasodium salt
CAS number: 13235-36-4
Molecular formula: C10H12N2O8Na4•4H2O
Molecular weight: M=452.23
Product number: JK003
The Structure is as follows:
Properties: white crystalline powder. Soluble in water, can chelate with a variety of metal ions.
Specification:
Item |
Index |
|||
industrial grade |
daily chemical grade |
Spray tetracodium |
Tetrasodium dihydrate |
|
Purity%: |
≥99.0 |
≥99.5 |
≥99.3 |
107-109 |
Chloride( Cl)% |
≤ 0.01 |
≤ 0.01 |
≤ 0.01 |
≤ 0.01 |
Sulfate (SO4) % |
≤ 0.05 |
≤ 0.05 |
≤ 0.03 |
≤ 0.05 |
Lead(Pb) % |
≤ 0.001 |
≤ 0.001 |
≤ 0.001 |
≤ 0.001 |
Iron(Fe)% |
≤ 0.001 |
≤ 0.001 |
≤ 0.0005 |
≤ 0.001 |
Chelation value:(mgCaCO3/g) |
≥ 220 |
≥ 220 |
≥ 220 |
≥ 234 |
PH |
10.5-11.5 |
10.5-11.5 |
10.5-12.5 |
10.5-11.5 |
NTA % |
≤1.0 |
≤0.1 |
≤3.0 |
-- |
Packing density(g/L) |
-- |
-- |
600-800 |
-- |
Apperance |
White crystal powder |
White crystal powder |
White powder |
White crystal powder |
Packaging: 25kg/ bag or according to customer requirements.
Storage: Store in a dry and ventilated warehouse, away from direct sunlight, pile lightly.