Quality Level

200

grade

ACS reagent

agency

suitable for SM 4500 - NH3

assay

99.4-100.6%

form

powder

reaction suitability

reagent type: chelator

impurities

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

ign. residue

≤0.2%

pH

2.5 (23 °C, 10 g/L)

mp

250 °C (dec.) (lit.)

solubility

water: soluble 0.4 g/L at 20 °C

cation traces

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