乙二胺四乙酸

质量水平

200

等级

ACS reagent

检测方案

99.4-100.6%

形式

powder

reaction suitability

reagent type: chelator

杂质

≤0.005% insoluble matter
≤0.1% Nitrilotriacetic acid ([HOCOCH2]3N)

灼烧残渣

≤0.2%

pH值（酸碱度）

2.5 (23 °C, 10 g/L)

mp

250 °C (dec.) (lit.)

溶解性

water: soluble 0.4 g/L at 20 °C

痕量阳离子

Ca: ≤0.001%
Fe: ≤0.005%
Mg: ≤5 ppm
heavy metals: ≤0.001% (byICP-OES)

SMILES string

OC(=O)CN(CCN(CC(O)=O)CC(O)=O)CC(O)=O