| 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.
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