| Product name: |
Ethylenediaminetetraacetic acid disodium salt |
| Synonyms: |
Ethylenediaminetetraacetic acid disodium salt; disodium dihydrogen ethylenediaminetetraacetate; Disodium Edetate; Edta di sodium salt; disodium 2,2'-{ethane-1,2-diylbis[(carboxymethyl)imino]}diacetate (non-preferred name); disodium 2-[2-(bis(carboxymethyl)amino)ethyl-(carboxymethyl)amino]acetic acid; Disodium EDTA; EDTA-2Na |
| CAS NO: |
139-33-3 |
| EINECS: |
205-358-3 |
Molecular formula: |
C10H16N2Na2O8 |
Molecular weight: |
338.2211 |
Melting point: 248 °C (dec.)(lit.)
Boiling point: >100 °C
Density 1.01 g/mL at 25 °C
storage temp. 2-8°C
solubility H
2O: clear, colorless
form solution
color ≤5 (0.5 M)(APHA)
Water Solubility Miscible with water.
Uses:
Complexing agent, calcium, magnesium and other metal reagents, metal masking agent. Disodium ethylenediaminetetraacetic acid is an important complexing agent used to complex metal ions and separate metals. Food additives.
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