But logic tells me if its degrading recrystalizing would have no effect, except purifing a degraded product. Please, some elder bee verify him, but p-benzo does degrade and there isnt a way to bring reactivity up, is there?
IMHO you should just go to rhodiums, read up on making it. Works, and the chemicals are available. But dont make it 2-3 months before you need, like 1-2 weeks. Its easy cheap and unwatched that way, but your purity wont be perfect, so make as use and go along...
Thanks to the bee who can answer the above for him.