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For chelating metal, it has the very strong rock with cooperation for the most common metal ions.

Product Identification
Synonyms name:Glycine,N-[2-[bis(carboxymethyl)amino]ethyl]-N-(2-hydroxyethyl)-, trisodium salt
CAS No:139-89-9
Molecular Weight:344.20
Chemical Formula:C10H15N2O7•3Na

TEST ITEM	LIMT
APPEARANCE	White crystalline powder
??  5% ?-?  25°C	11.5-12.5
Purity(as 344.2) %	=39.0%
Heavy metals (as Pb) %	=0.001
Sulfate, %	=0.05
Cl, %	=0.01

Keywords:
Liquid HEDTA 3Na; Glycine,N-[2-[bis(carboxymethyl)amino]ethyl]-N-(2-hydroxyethyl)-, trisodium salt.
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