Trisodium citrate → Trisodium citrate

HRID 1511476Notes

Reaction equation

HRID 1511476 reaction equation
O.O.O.O.O.O.O.S([O-])([O-])(=O)=O.[Fe+2:13].[C:14]([O-:26])(=[O:25])[CH2:15][C:16]([CH2:21][C:22]([O-:24])=[O:23])([C:18]([O-:20])=[O:19])[OH:17].[Na+:27].[Na+].[Na+].S([O-])([O-])(=O)=O.[Fe+2]>O>[C:14]([O-:26])(=[O:25])[CH2:15][C:16]([CH2:21][C:22]([O-:24])=[O:23])([C:18]([O-:20])=[O:19])[OH:17].[Na+:27].[Na+:27].[Na+:27].[C:14]([O-:26])(=[O:25])[CH2:15][C:16]([CH2:21][C:22]([O-:24])=[O:23])([C:18]([O-:20])=[O:19])[OH:17].[Fe+2:13].[C:14]([O-:26])(=[O:25])[CH2:15][C:16]([CH2:21][C:22]([O-:24])=[O:23])([C:18]([O-:20])=[O:19])[OH:17].[Fe+2:13].[Fe+2:13]

Participants

6

Reactant 3

HCID 6224Trisodium citrate2×HCID 24393Ferrous SulfateHCID 62662Ferrous sulfate heptahydrate

Product 2

HCID 6224Trisodium citrateHCID 10007596HCID 10007596, compound

Reagents, catalysts & solvents 1

HCID 962WaterSolvent2×

Procedure

Comparative Example using a Cu(II) salt: An Fe(II) solution was prepared by dissolving 98 g of Iron(II) sulfate heptahydrate in deionized water in a 1 liter glass beaker while adjusting the final weight of the solution to 400 g. A sodium citrate solution was prepared by dissolving 168 g of trisodium citrate dehydrate in deionized water in a 600 ml glass beaker while adjusting the final weight of the solution to 560 g. The sodium citrate solution was added rapidly to the iron(II) sulfate solution to form an iron(II) citrate solution. 29.25 g of copper(II) sulfate pentahydrate was dissolved in deionized water while adjusting the final weight of the solution to 300 g. The iron(II) citrate solution was then added rapidly to the copper (II) sulfate solution while mixing. Under these conditions, the reduction of the copper powder was incomplete and particles had a nodular/lumpy surface appearance.

Sources & evidence

ORD record
ord-6d1c3cab05814665838aecfc9b66841b
Source dataset
uspto-grants-2012_07
Patent number
US08216340B2

Reaction notes

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