Formula: C₁₀H₁₄N₂Na₂O₈ 2H₂O Formula Weight: 372.24 CAS Number: 6381-92-6 Synonym(s): (Ethylenedinitrilo)tetraacetic acid, disodium salt, dihydrate

Formula: C₈H₁₇N₂NaO₄S Formula Weight: 260.28 CAS Number: 75277-39-3 Synonym(s): Description: (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid, sodium salt)