Quote Originally Posted by Snapshot View Post
I thought that's what I thought was indicated in their book. However, it was for stock solutions and I'm might be mistaken that it also applies to powder shelf life. Phenidone my not keep well in stock solutions but, obviously, it does keep well in powder form. Let me double check the book to see if I just misremembered what was stated.
Phenidone keeps very well in dry powder form and in properly designed stock solutions (like phenidone dissolved in Propylene Glycol). My statements can easily be verified by testing - and have been verified...