Product Name

  • Name

    Ferrate(2-),[[N,N'-1,2-ethanediylbis[N-[(carboxy-kO)methyl]glycinato-kN,kO]](4-)]-, hydrogen (1:2), (OC-6-21)-

  • EINECS
  • CAS No. 21393-59-9
  • Article Data16
  • CAS DataBase
  • Density
  • Solubility
  • Melting Point
  • Formula C10H12 Fe N2 O8 . 2 H
  • Boiling Point
  • Molecular Weight 346.077
  • Flash Point
  • Transport Information
  • Appearance
  • Safety Poison by intraperitoneal route. When heated to decomposition it emits toxic fumes of NOx. See also IRON COMPOUNDS.
  • Risk Codes
  • Molecular Structure Molecular Structure of 21393-59-9 (Ferrate(2-),[[N,N'-1,2-ethanediylbis[N-[(carboxy-kO)methyl]glycinato-kN,kO]](4-)]-, hydrogen (1:2), (OC-6-21)-)
  • Hazard Symbols
  • Synonyms Ferrate(2-),[(ethylenedinitrilo)tetraacetato]-, dihydrogen (8CI); Ferrate(2-),[[N,N'-1,2-ethanediylbis[N-(carboxymethyl)glycinato]](4-)-N,N',O,O',ON,ON']-,dihydrogen, (OC-6-21)-; Ferrate(2-), [[N,N'-1,2-ethanediylbis[N-[(carboxy-kO)methyl]glycinato-kN,kO]](4-)]-, dihydrogen, (OC-6-21)- (9CI); Hydrogen[(ethylenedinitrilo)tetraacetato]ferrate(II) (6CI,7CI); Dihydrogen[ethylenediaminetetraacetato(4-)]ferrate(2-); Ferrous EDTA; Ferrousethylenediaminetetraacetate; Fetrilon; Iron EDTA; Ironethylenediaminetetraacetate; Iron(II) EDTA; Sequestrene H 2FE; [Dihydrogen(ethylenedinitrilo)tetraacetato]iron
  • PSA 161.34000
  • LogP -4.74310

Synthetic route

iron(II) chloride tetrahydrate

iron(II) chloride tetrahydrate

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
With citrate buffer In water stoich. amt. of Fe-salt addn. to deaerated Na-salt soln. buffered at pH 4.8;
iron(II) sulfate

iron(II) sulfate

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
In water prepared in the absence of O2;;
iron(II) chloride

iron(II) chloride

A

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

B

Fe(II)(Hedta)

Fe(II)(Hedta)

Conditions
ConditionsYield
In water product ratio depending on pH;;
iron(II) ethylenediaminetetraacetic acid*NO

iron(II) ethylenediaminetetraacetic acid*NO

A

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

B

[Fe(ethylenediaminetetraacetate)](1-)

[Fe(ethylenediaminetetraacetate)](1-)

C

nitrogen(II) oxide
10102-43-9

nitrogen(II) oxide

Conditions
ConditionsYield
With borax; potassium dihydrogenphosphate; sodium sulfite In water Kinetics; at various temps. and over pH range of 5.74-8.00, ionic strength adjusted with KCl, pH controlled with buffer soln., equilibrium react.; detected by UV absorption;
iron(III) ammonium sulfate dodecahydrate

iron(III) ammonium sulfate dodecahydrate

disodium ethylenediaminetetraacetate dihydrate

disodium ethylenediaminetetraacetate dihydrate

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
In water Kinetics; byproducts: Fe2O3, ethylenediaminetriacetic acid, iminodiacetic acid; 1:1.5 ratio of Fe(III) to EDTA in H2O heated at 175°C at pH 9.3 (NaOH or NH3 controll) under inert atm.; Fe2O3 filtered, product detected by NMR, if 1:1 ratio of reagents used Fe2O3 formed;
Ammonium iron sulfate

Ammonium iron sulfate

disodium ethylenediaminetetraacetate dihydrate

disodium ethylenediaminetetraacetate dihydrate

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
In water
In water Hodges, H. L., Holwerda, R. A., Gray, H. B., J. Am. Chem. Soc., 1974, 98, 3132; through aq. soln. of Na2H2(EDTA)*2H2O bubbled N2 for 1 h, addedair-free (NH4)2Fe(SO4)2*6H2O; not isolated from soln.;
ferrous(II) sulfate heptahydrate

ferrous(II) sulfate heptahydrate

ethylenediaminetetraacetic acid
60-00-4

ethylenediaminetetraacetic acid

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
In water reaction in deoxygenized solns.;
hexaamineruthenium(II)
19052-44-9

hexaamineruthenium(II)

[Fe(ethylenediaminetetraacetate)](1-)

[Fe(ethylenediaminetetraacetate)](1-)

A

hexaammineruthenium(III)
18943-33-4

hexaammineruthenium(III)

B

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
In water Kinetics; soln. of Fe complex, 0.10 M TrisH(1+), 0.90 M NaClO4 (or LiClO4) adjusted with HClO4 (pH 4.5-6.5), soln. of Ru complex, 0.1 M TrisH(1+), 0.9 MNaClO4 adjusted with HCl; at 5.0-35.0 °C; not isolated, monitored by UV;
[Fe(ethylenediaminetetraacetate)](1-)

[Fe(ethylenediaminetetraacetate)](1-)

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
With sodium sulfide In water Kinetics; byproducts: Fe(OH)EDTA, Fe(OH)2EDTA, S; reaction at 23°C in an aq. alkaline soln. of Na2S (0.76E-3, 1.52E-3, 3.04E-3, 6.08E-3 or 12.16E-3 M), FeEDTA: 0.11E-3 M at pH = 8; existence of an intermediate complex discussed; variation of pH discussed;; detn. of the change of optical density (depending on time) at 500 nm;;
With ethanethiol In water Kinetics; byproducts: C2H5SSC2H5, Fe(OH)EDTA, Fe(OH)2EDTA; reaction at 14°C, pH = 9.0 with an excess of FeEDTA(1-) (7.67E-2 M); concentration of C2H5SH 0.0075, 0.00568 or 0.00372 M in a glass reactor (apparatus described);; determination of the change of optical density (depending on time) at 540 .+-. 10 nm;;
With ethanethiol In water Kinetics; byproducts: C2H5SSC2H5, Fe(OH)EDTA, Fe(OH)2EDTA; reaction at 21°C, pH = 9.0 with an excess of C2H5SH (0.0198 M); concentration of FeEDTA(1-) 0.005, 0.0025, 0.00125 or 0.625E-3 M in a closed cuvette; variation of pH discussed; formation of an intermediate complex discussed;; determination of the change of optical density (depending on time) at 540 .+-. 10 nm;;
With sodium sulfide In water Kinetics; byproducts: Fe(OH)EDTA, Fe(OH)2EDTA, S; reaction at 23°C in an aq. alkaline soln. of Na2S (2.8E-3 M), FeEDTA: 0.22E-3 M at pH = 8 in presence of sulfur (0.3E-4, 0.6E-4, 1.2E-4, 2.4E-4 or 4.8E-4 M); existence of an intermediate complex discussed; variation of pH discussed;; detn. of the change of optical density (depending on time) at 500 nm;;
ferrous ammonium sulphate

ferrous ammonium sulphate

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

Conditions
ConditionsYield
In water a potassium salt of EDTA was dissolved in H2O at pH 7, Fe-salt was added;
ethylenediaminetetraacetic acid
60-00-4

ethylenediaminetetraacetic acid

iron(II)
7439-89-6

iron(II)

A

iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

B

Fe(2+)*NCH2CH2N(CH2COO)3(CH2COOH)(3-)=Fe(NCH2CH2N(CH2COO)3(CH2COOH))(1-)

Fe(2+)*NCH2CH2N(CH2COO)3(CH2COOH)(3-)=Fe(NCH2CH2N(CH2COO)3(CH2COOH))(1-)

Conditions
ConditionsYield
With hydrogen cation In water under Ar; Fe(EDTA)(2-) formed from about p{H} 4 to 12; FeHEDTA(1-) formation at low p{H};;
iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

sodium nitrite
7632-00-0

sodium nitrite

A

[Fe(ethylenediaminetetraacetate)](1-)

[Fe(ethylenediaminetetraacetate)](1-)

B

Fe(II)(edta)NO

Fe(II)(edta)NO

Conditions
ConditionsYield
In water Kinetics; product ratio depending on pH and concn. of O2 present in the soln.;; followed by UV-vis-spectroscopy;;
iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

A

iron(II)
7439-89-6

iron(II)

B

ethylenediaminetetraacetate
150-43-6

ethylenediaminetetraacetate

Conditions
ConditionsYield
In ethanol; water 75% ethanol and 25% water (by vol.), μ=0.100 M (KCl), 25.0°C; stability const. for the complex detd.;
iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

[Fe(ethylenediaminetetraacetate)](1-)

[Fe(ethylenediaminetetraacetate)](1-)

Conditions
ConditionsYield
With oxygen In water Kinetics; liquid-phase oxidation at 25°C, O2-pressure 0.09atm; influence of pH investigated (ph 5-9); proposal of react. mechanism;; chromatometrical determination of concentration of Fe(2+)-complex by titration with K2Cr2O7 (in acid soln. in presence of Na-diphenylaminosulfonate indicator);;
With O2 In water rapid oxidation;;
iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

nitrogen(II) oxide
10102-43-9

nitrogen(II) oxide

A

[Fe(ethylenediaminetetraacetate)](1-)

[Fe(ethylenediaminetetraacetate)](1-)

B

Fe(II)(edta)NO

Fe(II)(edta)NO

Conditions
ConditionsYield
In water Kinetics; O2-free NO gas was passed through an evacuated soln. of Fe(II)(edta) within a few minutes; formation of Fe(III)(edta) not onserved;; followed by UV-vis-spectroscopy;;A 0%
B n/a
iron(II) ethylenediaminetetraacetate
21393-59-9

iron(II) ethylenediaminetetraacetate

cis-nitrous acid
7782-77-6

cis-nitrous acid

Fe(II)(edta)NO

Fe(II)(edta)NO

Conditions
ConditionsYield
In water Kinetics; followed by UV-vis-spectroscopy;;

Iron(II) EDTA complex Chemical Properties

Empirical Formula of Iron(II) EDTA complex (CAS NO.21393-59-9): C10H14FeN2O8
Molecular Weight: 346.0718 g/mol
EINECS: 244-356-7
Flash Point: 325.2 °C
Enthalpy of Vaporization: 99.5 kJ/mol
Boiling Point: 614.2 °C at 760 mmHg
Vapour Pressure: 1.15E-16 mmHg at 25 °C
Structure of Iron(II) EDTA complex (CAS NO.21393-59-9):
                          
IUPAC Name: 2-[2-[Bis(2-oxido-2-oxoethyl)amino]ethyl-(2-oxido-2-oxoethyl)amino]acetate ; Hydron ; Iron(2+)
Canonical SMILES: [H+].[H+].C(CN(CC(=O)[O-])CC(=O)[O-])N(CC(=O)[O-])CC(=O)[O-].[Fe+2]
InChI: InChI=1S/C10H16N2O8.Fe/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: JVXHQHGWBAHSSF-UHFFFAOYSA-L

Iron(II) EDTA complex Toxicity Data With Reference

1.    

ipr-mus LD50:40 mg(Fe)/kg

    PABIAQ    Pathologie et Biologie. 11 (1963),853.

Iron(II) EDTA complex Consensus Reports

Reported in EPA TSCA Inventory.

Iron(II) EDTA complex Safety Profile

Poison by intraperitoneal route. When heated to decomposition Iron(II) EDTA complex (CAS NO.21393-59-9) emits toxic fumes of NOx. See also IRON COMPOUNDS.

Iron(II) EDTA complex Specification

 Iron(II) EDTA complex , its cas register number is 21393-59-9. It also can be called Iron(II): EDTA ; Dihydrogen ((N,N'-ethylenebis(N-(carboxymethyl)glycinato))(4-)-N,N',O,O',ON,ON')ferrate(2-) ; and Ferrate(2-), ((N,N'-1,2-ethanediylbis(N-((carboxy-kappaO)methyl)glycinato-kappaN,kappaO))(4-))-, hydrogen (1:2), (OC-6-21)- .

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