As an agent for complexation, EDTA is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and oil-field. It is also used as detergent for boiler cleaning and reagent in chemical analysis.
CAS No : 64-02-8;13235-36-4
EINECS No: 200-573-9
Molecular formula: C10H12N2Na4O8.4H2O
Molecular weight: 452.23
| Item | EDTA Acid | EDTA 4Na | EDTA 2Na |
| Appearance | White powder | ||
| EDTA | ≥99.0% | ≥99.0% | ≥99.0% |
| Chloride(Cl) | ≤0.05% | -- | ≤0.05% |
| Sulphate(SO4) | ≤0.05% | -- | ≤0.05% |
| Ferrum(Fe) | ≤0.001% | ≤0.001% | ≤0.001% |
| Heavy metal(Pb) | ≤0.001% | ≤0.001% | ≤0.001% |
| Chelate value(mgCaCO3/g) | ≥339 | ≥215 | ≥260 |
| PH | 2.8-3.0 | 10.5-11.5 | 4.0-5.0 |
Application:
As an agent for complexation, EDTA is mainly used for water treatment, as an additive to detergent, a chemical for photography, paper-making and oil-field. It is also used as detergent for boiler cleaning and reagent in chemical analysis.
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