Oxalic Acid → HCID 178526029, compound

HRID 328658

Reaction equation

HRID 328658 reaction equation
[O-2].[O-2].[O-2].[O-2].[O-2].[V+5:6].[V+5].[C:8]([OH:13])(=[O:12])[C:9]([OH:11])=[O:10]>[O-2].[O-2].[O-2].[K+].[Nb+5].O>[C:8]([O-:13])(=[O:12])[C:9]([O-:11])=[O:10].[V+5:6].[C:8]([O-:13])(=[O:12])[C:9]([O-:11])=[O:10].[C:8]([O-:13])(=[O:12])[C:9]([O-:11])=[O:10].[C:8]([O-:13])(=[O:12])[C:9]([O-:11])=[O:10].[C:8]([O-:13])(=[O:12])[C:9]([O-:11])=[O:10].[V+5:6]

Participants

5

Reactant 2

HCID 971Oxalic AcidHCID 178419084HCID 178419084, compound

Product 1

HCID 178526029HCID 178526029, compound

Reagents, catalysts & solvents 2

HCID 160967Niobium potassium oxideCatalystHCID 962WaterSolvent

Conditions

Temperature
1300 °C

Procedure

Granulated alumina (8-16 mesh) is heated at 1300° C. for 4 hours. Potassium niobate (4K2O.3Nb2O5.16H2O) and vanadium pentoxide are suspended in 5 parts of water, heated to 80° C., and oxalic acid is added slowly to obtain a blue-colored vanadium oxalate solution. Sodium carbonate is added and the alumina is also placed in the solution. The mixture is dried over a water bath with agitation. While air is pumped in, it is indurated in a furnace at 400° C. for 16 hours to obtain the catalyst ready for use after cooling.

Workup

  1. temperatureheated to 80° C.

Sources & evidence

ORD record
ord-caae455ae7444cb6abd1a6f8473d7d88
Source dataset
uspto-grants-1977_04
Patent number
US04018713

Linked notes

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