Sigma-Aldrich is proud to offer efficient vanadium catalysts for synthetic and industrial applications. Vanadium catalysis is the second largest application for vanadium after its use as an additive to improve steel production. A vanadium catalyst can effectively activate peroxides and selectively oxidize substrates like bromides, sulfides and alkenes are possible. Vanadium catalysts have been shown to effectively transfer oxygen atoms to a substrate that is synthetically useful for obtaining valuable oxidized molecules on a large scale reaction with a high degree of selectivity and TONs. Additionally, vanadium catalysts are efficient catalysts for olefin polymerization. Vanadium oxides can be applied in the emissions standards for vehicles and the desulfurization of crude oil. Moreover, the use of ecological oxidants like hydrogen and alkyl hydroperoxide significantly increases the potential application of vanadium catalysts at an industrial level.

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573884 Ammonium metavanadate 99.996% trace metals basis H4NO3V
398128 Ammonium metavanadate ACS reagent, ≥99.0% H4NO3V
379158 Bis(cyclopentadienyl)vanadium(II) C10H10V
334642 Bis(cyclopentadienyl)vanadium(IV) dichloride 95% C10H10Cl2V
510610 Bis(ethylcyclopentadienyl)vanadium(II) C14H18V
68541 N,N′-Bis(salicylidene)-o-phenylenediamine Vanadium(IV) oxide Complex ≥98.0% (HPLC) C20H14N2O3V
520926 Cesium metavanadate ≥99.9% trace metals basis CsO3V
574333 Iodobis(indenyl)vanadium(III) C18H14IV
363715 2,3,7,8,12,13,17,18-Octaethyl-21H,23H-porphine vanadium(IV) oxide 95% C36H44N4OV
431052 Potassium metavanadate 98% KO3V
590088 Sodium metavanadate anhydrous, 99.9% trace metals basis NaO3V
72060 Sodium metavanadate ≥98.0% (RT) NaO3V
S6508 Sodium orthovanadate ≥90% (titration) Na3O4V
450243 Sodium orthovanadate 99.98% trace metals basis Na3O4V
567051 Tetrakis(acetato)bis(cyclopentadienyl)divanadium(III) C18H22O8V2
283649 5,10,15,20-Tetraphenyl-21H,23H-porphine vanadium(IV) oxide C44H28N4OV
717452 Tris(triphenylsiloxy)vanadium oxide 95% C54H45O4Si3V
227110 Vanadium(III) acetylacetonate 97% C15H21O6V
422371 Vanadium(II) chloride 85% Cl2V
208272 Vanadium(III) chloride 97% Cl3V
366617 Vanadium(IV) chloride Cl4V
395382 Vanadium(III) chloride tetrahydrofuran complex (1:3) 97% C12H24Cl3O3V
463744 Vanadium(III) oxide 99.99% trace metals basis Green Alternative O3V2
215988 Vanadium(III) oxide 98% O3V2
215821 Vanadium(IV) oxide ≥99% trace metals basis O4V2
94720 Vanadium(V) oxide purum, ≥98.0% (RT) O5V2
204854 Vanadium(V) oxide 99.99% trace metals basis Green Alternative O5V2
221899 Vanadium(V) oxide ≥99.6% trace metals basis O5V2
223794 Vanadium(V) oxide ≥98% O5V2
204862 Vanadium(IV) oxide sulfate hydrate ≥99.99% trace metals basis O5SV · xH2O
233706 Vanadium(IV) oxide sulfate hydrate 97% O5SV · xH2O
200891 Vanadium(V) oxychloride 99% Cl3OV
399949 Vanadium(V) oxyfluoride 99% F3OV
470775 Vanadium(V) oxytriethoxide 95% C6H15O4V
404926 Vanadium(V) oxytriisopropoxide C9H21O4V
470783 Vanadium(V) oxytripropoxide 98% C9H21O4V
94735 Vanadyl acetylacetonate purum, ≥97.0% (RT) C10H14O5V
69052   Vanadyl acetylacetonate bound to polyaniline extent of labeling: ~1.0 mmol/g loading