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EDTA﹒4Na(Ethylene diamine four ethanoic acid four sodium)
CAS number:64-02-8
Molecular formula:C10H14N2Na4O8·4H2O
Molecular weight:452
Customs code:
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Item

Spec

Assay %

99.0 Min

Chloride %

0.01 Max

Iron %

0.001 Max

Lead (Pb) %

0.001 Max

pH 1% solution

10.5 – 11.5

Chelating value

220 Min

Sulfate(SO4) Content %

0.05 Max

NTA %

1.0 Max

Appearance

White powder