It is very stable under atmospheric pressure.TEST ITEMLIMTAPPEARANCEWhite crystalline powderрН   5% р-р  25°C11.5-12.5Purity(as 344.2) %≥98.0%Heavy metals (as Pb) %≤0.001Sulfate, %≤0.05Cl, %≤0.01Keywords:Solid HEDTA 3Na; Glycine,N-[2-[bis(carboxymethyl)amino]ethyl]-N-(2-hydroxyethyl)-, trisodium salt; atmospheric pressure.Baoding Kaiyue Chemical Co.,LTDTel:+86 03123220379Fax:+86 03133289655Copyright © 2016 Kaiyuechem Ltd. All rights reserved.