Hydrogenation catalyst. Suitable for the reduction of double and triple bonds, aromatics, carbonyls, nitriles, and nitro groupsPlatinum(IV) oxide monohydrate is used as a catalyst in hydrogenation, hydrogenolysis, dehydrogenation, and oxidation reactions in organic synthesis. It also finds application in ceramic industry, inorganic chemistry and in chemical synthesis. It is utilized for the selective reduction of alkenes without reducing nitro group.