乙二胺四乙酸

质量水平

200

等级

ACS reagent

Agency

suitable for SM 4500 - NH3

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

InChI

1S/C10H16N2O8/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20)

InChI key

KCXVZYZYPLLWCC-UHFFFAOYSA-N