Name:Ethylenediaminetetraacetic acid disodium zinc salt tetrahydrate Molecular formula: C10H12N2O8ZnNa2 • 2H2O Molecular weight: M=435.63 CAS number: 14025-21-9 Appearance: White crystalline powder, easily soluble in water. Quality indicators: (Q/24SJK01-2012 Quality standard)