United States Pharmacopeia (USP) Reference Standard

Synonym(s): Ethylenediaminetetraacetic acid disodium salt dihydrate; Disodium ethylenediaminetetraacetate dihydrate; EDTA disodium salt; EDTA-Na₂; Edathamil; Edetate disodium salt dihydrate; Sequestrene Na₂

Empirical Formula: C₁₀H₁₄N₂Na₂O₈+ 2H₂O

Formula Weight: 372.24

Linear Formula: C₁₀H₁₄N₂Na₂O₈+ 2H₂O

Melting Point: 248 °C (dec.)(lit.)

Beilstein Registry Number: 3900609