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In typical reactions featuring RuO<sub>4</sub> as the oxidant, many forms of ruthenium usefully serve as precursors to RuO<sub>4</sub>, such as oxide hydrates or hydrated chloride.
Because RuO<sub>4</sub> will readily decompose explosively at slightly elevated temperatures, most laboratories do not synthesize it directly, nor is it commercially available through major chemical vendors. Most laboratories instead use an anionic derivative from a salt of "TPAP" (tetrapropylammonium perruthenate), RuO<sub>4</sub>. TPAP is synthesized by oxidizing RuCl<sub>3</sub> to... Read More