EDTA disodium salt dihydrate - 34549
Code: 34549
EDTA disodium salt dihydrate
Reag. Ph. Eur., 99-101%, ≤0.1% NTA (HPLC), for complexometry
Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na2; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na2
for complexometry, Reag. Ph. Eur., 99-101%, ≤0.1% NTA (HPLC)
CAS Number: 6381-92-6
Linear Formula: C10H14N2Na2O8 · 2H2O
Molar Mass: 372.24 g/mol
Beilstein Registry Number: 3900609
EC Number: 205-358-3
| Property |
Value |
| Assay |
99.0 - 101.0 % |
| Loss on drying (150°C, 3h) |
max. 10 % |
| PH (5 %, 20°C) |
4.0 - 5 |
| PH (5 %, 25 °C) |
4.0 - 6.0 |
| Calcium (Ca) |
max. 0.001 % |
| Cadmium (Cd) |
max. 0.0005 % |
| Cobalt (Co) |
max. 0.0005 % |
| Chromium (Cr) |
max. 0.0005 % |
| Copper (Cu) |
max. 0.0002 % |
| Iron (Fe) |
max. 0.0005 % |
| Potassium (K) |
max. 0.005 % |
| Magnesium (Mg) |
max. 0.0005 % |
| Manganese (Mn) |
max. 0.0005 % |
| Nickel (Ni) |
max. 0.0005 % |
| Zinc (Zn) |
max. 0.0005 % |
| Heavy metals (as Pb) |
max. 0.0005 % |
| Chloride (Cl) |
max. 0.005 % |
| Sulfate (SO4) |
max. 0.005 % |
| Nitrilotriacetic acid (HPLC) |
max. 0.1 % |
| Water insoluble matter |
max. 0.005 % |
| Appearance of the solution |
complying |
| Identity (IR) |
complying |
| Property |
Value |
| Freezing point |
244 - 250 °C |
