Platinum

Sigma-Aldrich is proud to provide efficient platinum catalysts like platinum dioxide, also called Adams′ catalyst, used for the hydrogenation of various functional groups and dehydrogenation in organic synthesis. Platinum black, the active Pt catalyst, is formed during the course of the reaction. Utilizing platinum catalysis on alkynes results in syn-addition, forming a cis-alkene. Two of the most important transformations using platinum catalysts include the hydrogenation of nitro compounds to amines and ketones to alcohols. Notably, reductions of alkenes can be performed with the Pt catalyst Adams′ catalyst in the presence of nitro groups without reducing the nitro group. Platinum catalysts are preferred over palladium catalysts to minimize hydrogenolysis when reducing nitro compounds to amines. This Pt catalyst is also used for the hydrogenolysis of phenyl phosphate esters, a reaction that does not occur with palladium catalysts.

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401609 (2,2′-Bipyridine)dichloroplatinum(II) 96% C10H8Cl2N2Pt
277290 cis-Bis(acetonitrile)dichloroplatinum(II) C4H6Cl2N2Pt
275816 cis-Bis(benzonitrile)dichloroplatinum(II) 98% C14H10Cl2N2Pt
682691 Bis(tri-tert-butylphosphine)platinum(0) C24H54P2Pt
206083 Chloroplatinic acid hexahydrate ACS reagent, ≥37.50% Pt basis H2Cl6Pt · 6H2O
81080 Chloroplatinic acid hydrate ~38% Pt basis H2Cl6Pt · xH2O
262587 Chloroplatinic acid solution 8 wt. % in H2O H2Cl6Pt
409049 (1,5-Cyclooctadiene)dimethylplatinum(II) 97% C10H18Pt
479306 cis-Diamineplatinum(II) dichloride ≥99.9% trace metals basis H6Cl2N2Pt
339881 Diamminedinitritoplatinum(II) solution 3.4 wt. % in dilute ammonium hydroxide H6N4O4Pt
432849 cis-Dichlorobis(diethyl sulfide)platinum(II) C8H20Cl2PtS2
732575 Dichlorobis(dimethyl sulfide)platinum(II) mixture of cis and trans C4H12Cl2PtS2
767654 cis-Dichlorobis(dimethyl sulfoxide)platinum(II) 97% C4H12Cl2O2PtS2
400033 cis-Dichlorobis(pyridine)platinum(II) 97% C10H10Cl2N2Pt
331406 cis-Dichlorobis(triethylphosphine)platinum(II) 98% C12H30Cl2P2Pt
331414 trans-Dichlorobis(triethylphosphine)platinum(II) 98% C12H30Cl2P2Pt
244945 cis-Dichlorobis(triphenylphosphine)platinum(II) C36H30Cl2P2Pt
288403 trans-Dichlorobis(triphenylphosphine)platinum(II) C36H30Cl2P2Pt
244937 Dichloro(1,5-cyclooctadiene)platinum(II) C8H12Cl2Pt
404322 Dichloro(1,2-diaminocyclohexane)platinum(II) C6H14Cl2N2Pt
701203 Dichloro(dicyclopentadienyl)platinum(II) 97% C10H12Cl2Pt
244929 Dichloro(ethylenediamine)platinum(II) 99% C2H8Cl2N2Pt
763411 Dichloro(norbornadiene)platinum(II) 97% C7H8Cl2Pt
400165 Dichloro(1,10-phenanthroline)platinum(II) ≥95.0% C12H8Cl2N2Pt
260916 Ethylenebis(triphenylphosphine)platinum(0) C38H34P2Pt
700037 (Ethylenediamine)iodoplatinum(II) dimer dinitrate 96% C4H16I2N6O6Pt2
00669 Hydrogen hexachloroplatinate(IV) solution ~8% in H2O H2Cl6Pt
685453 Platinum nanopowder, <50 nm particle size (TEM) Pt
771937 Platinum nanopowder, 200 nm particle size (SEM), 99.9% (metals basis) Pt
205915 Platinum black black, powder, ≤20 μm, ≥99.97% trace metals basis Pt
520780 Platinum black fuel cell grade, ≥99.9% trace metals basis Pt
520802 Platinum black low surface area, ≥99.9% Pt
520799 Platinum black low bulk density, ≥99.9% trace metals basis Pt
80980 Platinum on activated charcoal hydrogenation catalyst, 10% Pt basis  
80982 Platinum on activated charcoal hydrogenation catalyst, 5% Pt basis  
311324 Platinum on alumina extent of labeling: 5 wt. % loading, -325 mesh, powder  
205974 Platinum on alumina extent of labeling: 5 wt. % loading, powder  
205966 Platinum on alumina extent of labeling: 1 wt. % loading, powder  
232114 Platinum on alumina extent of labeling: 1 wt. % loading, 3.2 mm, pellets  
520705 Platinum on alumina extent of labeling: 0.5 wt. % loading, spheres  
206016 Platinum on alumina extent of labeling: 0.5 wt. % loading, 3.2 mm, pellets  
205958 Platinum on carbon extent of labeling: 10 wt. % loading, matrix activated carbon support Pt
205931 Platinum on carbon extent of labeling: 5 wt. % loading, matrix activated carbon support Pt
330159 Platinum on carbon extent of labeling: 5 wt. % loading (dry basis), matrix activated carbon, wet support, Degussa type F101 ra/w Pt
237558 Platinum on carbon extent of labeling: 3 wt. % loading, matrix activated carbon support Pt
205923 Platinum on carbon extent of labeling: 1 wt. % loading, matrix activated carbon support Pt
520691 Platinum on silica extent of labeling: 1 wt. % loading, granular, dry  
206008 Platinum, sulfided, on carbon extent of labeling: 5 wt. % loading, dry, matrix carbon, reduced support  
282782 Platinum(II) acetylacetonate 97% C10H14O4Pt
206121 Platinum(II) bromide 98% Br2Pt
482315 Platinum(II) chloride ≥99.99% trace metals basis Cl2Pt
520632 Platinum(II) chloride ≥99.9% Cl2Pt
206091 Platinum(II) chloride 98% Cl2Pt
379840 Platinum(IV) chloride ≥99.99% trace metals basis Cl4Pt
520640 Platinum(IV) chloride ≥99.9% trace metals basis Cl4Pt
206113 Platinum(IV) chloride 96% Cl4Pt
738565 Platinum cobalt on carbon extent of labeling: 30 wt. % Pt3Co loading CoPt3
479535 Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex solution 0.05 M in poly(dimethylsiloxane), vinyl terminated C8H18OPtSi2
479527 Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex solution 0.1 M in poly(dimethylsiloxane), vinyl terminated C8H18OPtSi2
479519 Platinum(0)-1,3-divinyl-1,1,3,3-tetramethyldisiloxane complex solution in xylene, Pt ~2 % C8H18OPtSi2
206059 Platinum(II) iodide 98% I2Pt
773875 Platinum, nanoparticle dispersion 3 nm particle size, 1,000 ppm in H2O, 99.99% trace metals basis Pt
738581 Platinum on graphitized carbon extent of labeling: 10 wt. % loading Pt
738549 Platinum on graphitized carbon extent of labeling: 20 wt. % loading Pt
738557 Platinum on graphitized carbon extent of labeling: 40 wt. % loading Pt
206032 Platinum(IV) oxide surface area ≥60 m2/g O2Pt
459925 Platinum(IV) oxide surface area ≥75 m2/g O2Pt
520624 Platinum(IV) oxide hydrate ≥99.9% O2Pt · xH2O
520616 Platinum(IV) oxide hydrate crystalline, 99.5% O2Pt · xH2O
229040 Platinum(IV) oxide monohydrate 99.9% trace metals basis O2Pt · H2O
738573 Platinum-ruthenium alloy on graphitized carbon extent of labeling: 20 wt. % Pt loading, extent of labeling: 10 wt. % Ru loading  
479543 Platinum(0)-2,4,6,8-tetramethyl-2,4,6,8-tetravinylcyclotetrasiloxane complex solution 0.104 M in methylvinylcyclosiloxanes C12H24O4PtSi4
206067 Potassium hexachloroplatinate(IV) reagent grade, 98% Cl6K2Pt
520861 Potassium hexachloroplatinate(IV) ≥99.9% trace metals basis Cl6K2Pt
244953 Potassium trichloro(ethylene)platinate(II) hydrate C2H4Cl3KPt · xH2O
681504   Pt (0) EnCat® 40 matrix encapsulaed nanoparticles, support (wet), extent of labeling: 0.12 mmol/g loading (dry basis)  
464708 Sodium hexahydroxyplatinate(IV) H6Na2O6Pt
323330 Tetraammineplatinum(II) chloride hydrate 99.99% trace metals basis H12Cl2N4Pt · xH2O
275905 Tetraammineplatinum(II) chloride hydrate 98% H12Cl2N4Pt · xH2O
464813 Tetraammineplatinum(II) hydroxide hydrate H14N4O2Pt · xH2O
482293 Tetraammineplatinum(II) nitrate 99.995% trace metals basis H12N6O6Pt
278726 Tetraammineplatinum(II) nitrate ≥50.0% Pt basis H12N6O6Pt
342149 Tetrabutylammonium hexachloroplatinate(IV) C32H72Cl6N2Pt
244961 Tetrakis(triphenylphosphine)platinum(0) 97% C72H60P4Pt
660965 (N,N,N′-Trimethylethylenediamine)platinum(II) chloride, polymer-bound 50-100 mesh particle size, extent of labeling: 0.5-1.5 mmol/g Pt loading, 1 % cross-linked with divinylbenzene  
697540 Trimethyl(methylcyclopentadienyl)platinum(IV) packaged for use in deposition systems C9H16Pt