Molecular Structure of Nickel(II) EDTA complex (CAS NO. 25481-21-4):

EINECS: 247-019-2
IUPAC Name: 2-[Carboxymethyl-[2-[carboxymethyl-(2-oxido-2-oxoethyl)amino]ethyl]amino]acetate; nickel(2+) 
Molecular Formula: C₁₀H₁₄N₂NiO₈
Molecular Weight: 348.920160 g/mol
H-Bond Donor: 2
H-Bond Acceptor: 10
Canonical SMILES: C(CN(CC(=O)O)CC(=O)[O-])N(CC(=O)O)CC(=O)[O-].[Ni+2]
InChI: InChI=1S/C10H16N2O8.Ni/c13-7(14)3-11(4-8(15)16)1-2-12(5-9(17)18)6-10(19)20;/h1-6H2,(H,13,14)(H,15,16)(H,17,18)(H,19,20);/q;+2/p-2
InChIKey: HTLPAEWBUABNNS-UHFFFAOYSA-L
Flash Point: 325.2 °C
Enthalpy of Vaporization: 99.5 kJ/mol
Boiling Point: 614.2 °C at 760 mmHg
Vapour Pressure of Nickel(II) EDTA complex (CAS NO. 25481-21-4): 1.15E-16 mmHg at 25 °C

NTP 10th Report on Carcinogens. Nickel and its compounds are on the Community Right-To-Know List. Reported in EPA TSCA Inventory.

Confirmed human carcinogen. Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of NO_x. See also NICKEL COMPOUNDS.

  Nickel(II) EDTA complex with cas registry number of 25481-21-4 is also known as Dihydrogen (ethylenediaminetetraacetato(4-))nickelate (2-) ; Nickel ethylenediaminetetraacetic acid ; Acetic acid, (ethylenedinitrilo)tetra-, nickel(II) complex ; Dihydrogen ((N,N'-ethylenebis(N-(carboxymethyl)glycinato))(4-)-N,N',O,O',ON,ON')nickelate(2-) ; Nickelate(2-), ((N,N'-1,2-ethanediylbis(N-((carboxy-kappaO)methyl)glycinato-kappaN,kappaO))(4-))-, dihydrogen, (OC-6-21)- ; Nickelate(2-), ((N,N'-1,2-ethanediylbis(N-((carboxy-kappaO)methyl)glycinato-kappaN,kappaO))(4-))-, hydrogen (1:2), (OC-6-21)- ; Nickelate(2-), ((ethylenedinitrilo)tetraacetato)-, dihydrogen (8CI) .