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Platinum(IV) Oxide

Other Names:

Adams’s catalyst

Platinum dioxide

General Information:



CAS Number: 1314-15-4

Molecular Weight: 227.08 g/mol

Appearance: Black solid

Melting Point: 450 C

Common Uses:

Catalyst for reducing alkenes to alkanes

Procedure excerpt:

To a solution of the SM (2.4 g, 9.4 mmol) in EtOH (20 mL) was added PtO2 (10%, 200 mg). The mixture was stirred for 1 h under a H2 atmosphere. The catalyst . . .

[full procedure]


PtO2 as a reagent is generally safe to handle without any precautions. However, after PtO2 has been exposed to H2 it is pyrophoric and should be handled with the appropriate precautions. For example, during filtration the filter cake should not be allowed to go dry.


1) Patent Reference: WO2015089337, page 183, (17.5 MB)

2) Wikipedia: Adam’s catalyst (link)

3) Platinum(IV) oxide (link)

4) Burke, S. D.; Danheiser, R. L.; Handbook of Reagents for Organic Synthesis, Oxidizing and Reducing Agents