Synonyms: Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na2; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na2
Formula: C10H14N2Na2O8 · 2H2O
Formula Weight: 372.24
CAS No.: 6381-92-6
Purity: 99.0-101.0%
Application: Chelator of divalent cations. Inhibits enzymes, such as metalloproteases, that require divalent cations for activity.
Anion Traces: sulfate (SO42-): ≤500 mg/kg
Assay: 99.0-101.0%
Cation Traces: As: ≤1 mg/kg
Impurities: ≤0.001% cyanide (CN)
Loss: 8.7-11.4% loss on drying, 200 °C, 3 h
MP: 248°C (dec.)(lit.)
pH: 4-5 (20°C, 5%)
Quality: meets analytical specification of Ph. Eur., BP, USP, FCC