Someone compared the tan and really clean MDAI crystal sourced from an indian lab, and reported that the white stuff was much better. That suggests that the tan stuff has gotten most of the brown out, but left the white stuff in. He also reported that the MDAI crystal was easilly and fully water soluble, while the tan stuff was not (the white impurity identified above is not water soluble).
In any case, it's now only of academic importance, as multiple vendors have clean MDAI, and more will have it in the next few weeks, for half the price that the dogshit was going for.
Academic? Are you kidding?
In the interests of harm reduction I must point out that your conclusion is highly misguided, with all due respect. How can anyone say that subjectively "the white stuff was much better" when no one has yet scientifically proven that the "white MDAI" is even MDAI? Are you really going to take this "someone's" word for it? Are you really going to take a vendor's word for it, when those same vendors selling the white MDAI are also selling NRG-1 which has been tested multiple times and proven to contain all kinds of bizarre substances. Not to mention that while one vendor may indeed have actual white MDAI, other vendors are probably selling fake white MDAI. Who's to know which is which? Such is the pathetic state of the UK RC market these days.
In fact there are multiple reports here on BL and elsewhere with people reporting very unusual and disturbing side effects with the white MDAI which are not at all consistent with actual MDAI. Why are people still presuming it's MDAI? I don't get it!
Say, in my closet I've got a box of rat poison which is pure white, and perhaps if I test it it comes out at 99% pure -- so should I ingest it? Of course not, but I mean, that is literally what you guys are doing here. No one knows what the hell the stuff actually is, but you say, "ah, but see, it's got fewer impurities so clearly it's a better product". WTF?
The only vendor providing actual analysis of MDAI is selling the brown stuff, and that asian vendor has publicly challenged customers to do their own tests and prove their tests are faked. Even with best intentions in mind, anyone doing kitchen tlc on these compounds shouldn't waste their time if they can't do it properly.
Simply put: stating that the "white MDAI" has fewer impurities does NOT mean it's MDAI. Please someone run an NMR on the white AND the brown before drawing any conclusions. Or maybe we should wait for the Scottish Police to do all the work for us again?
thanks for pointing out on the freebase/salt procedure.. good to learn new things on bluelight!