Chemical name | N-hydroxyethylethylenediaminetriacetic acid trisodium salt |
Trade name | HEDTA-3Na |
CAS No | 139-89-9 |
EINECS No | 205-381-9 |
Molecular formula | C10H15N2Na3O7 |
Molecular weight | 344.2 |
Melting point | 288 °C (dec.)(lit.) |
Stability | Hygroscopic |
Assay | 98% |
Appearance | White crystal |
Application:
The amount of Fe3+ can be controlled in solution with PH 8-10.
It can be used in strong acidic solution (such as other Ao Mixture with low solubility).
Its use is similar to HEDTA.