Permanganic acid, HMnO4, is an oxygen acid of manganese. General Name, Symbol, Number manganese, Mn, 25 Chemical series transition metals Group, Period, Block 7, 4, d Appearance silvery metallic Atomic mass 54. ...
It is sometimes stated that this exists only in solution, but this seems to be incorrect.
If you get too much permanganate, the manganese oxide separates as oily droplets, and they are of the same order of sensitivity to shock as nitroglycerine.
Others have posted the possible products here: Permanganicacid and manganese heptoxide, both of which are green.
And potent oxidizers, which I knew (that was the whole point of the mixture) and in the case of Mn2O7, explosive, which I wish I had known at the time.
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